Thursday, September 26, 2019
Social Welfare, History, Values and Beliefs Essay
Social Welfare, History, Values and Beliefs - Essay Example From the essay it is clear thatà the present day American culture began from as early as the past 10,000 years, upon the arrival of the Paleo-Indian from Europe, Oceania and Asia to establish the current United States. America is an ethically and racially diverse society with unique music, cultural, folklore and social practices. The great diversity of the United States is attributable to the massive immigration of people from different parts of the world during the historic period. Europeans including Irish, English, Scotts and Welsh bear great responsibility for influencing the initial shape of the American society. British in particular had greatest impact on American culture due to their close colonial links that fostered widespread use of the English language, use of British legal systems and adoption of general British cultural practices.According to the report findingsà American culture is a collection of various elements that include liberal and conservatism ideologies, s cientific and religious competitiveness, materialism and morality as well as free expression. Besides the influences of consistent principles and ideologies, American culture is also awash with evolved indigenous Latin, Asian and African-American cultures. The seeming neutral nature of the American culture is an indication of integration of many cultures whose compatibility mostly depends on political ideologies, social class and various demographic factors.
Wednesday, September 25, 2019
Music 1920-1980 Essay Example | Topics and Well Written Essays - 2500 words
Music 1920-1980 - Essay Example e main changes in music and understanding why it altered through each time frame also builds deeper knowledge about the evolution of music and how it changes because of the external environment and philosophies from individual artists. The purpose of this paper is to examine the main ways in which the music of the 1920s ââ¬â 1980s changed and transformed. Specifically, there will be a relation to the alterations in popular music and how this changed because of the external environment and the internal philosophies of music. The objectives of this paper will enhance this with: The main objectives are defined by creating a deeper understanding and analysis of music between the 1920s and 1980s while discovering how it evolved between time frames. This will enhance the overall understanding of how music has changed between time frames and what the main factors are with this change. Music that began to emerge in the 1920s differed from what was known in the past, specifically because of alterations which were being made in society. The social influences began to change first with the social changes between generations that began in the 1920s. The first change was based on social groups that began to arise, all which identified with music, fashion and popular culture as a way of creating a sense of identity. Jazz, blues and other forms of music were an example of how this arose. Many considered this the music of the African ââ¬â Americans during this time and created a different sense of preferences with those in the group. The music was able to create a sense of identity because of the struggles which it identified as belonging specifically to those who were a part of the group. This was combined with attitudes, actions and other concepts which followed, all which were based on similar social influences which were a part of the generations and the social st igma of the time (Smith, 43). The concepts that were associated with social groups were furthered as
Tuesday, September 24, 2019
People and Organisations Essay Example | Topics and Well Written Essays - 1000 words
People and Organisations - Essay Example Additionally, the paper analyzes the changes that are required to make the 21st century project leadership authentic. The authors argue that the environment for conducting projects in the 21 century have changed from that of 20th century. There has been increased alliancing between companies for project purposes. Therefore, the authors suggest that there is need for development of new leadership style that suits the current as well as future environment. The authors are persuasive and believable. By making use of previous study findings, the authors compare the past and present project environments. The comparison depicts changed environment, which supports the authorsââ¬â¢ argument on need for changes in leadership style to enhance authentic leadership. LIoyd-Walker & Walker (2011) provide empirical data to show the different attributes required by project leaders in the 21st century that were unnecessary in the 20th century. Toor and Ofori (2008),Thiry & Deguire (2007), Avolio & Gardener (2005), and Sirias, et al., (2007) agree that the project environment for 21st century is different from that in the 20th century. Additionally, their views are similar to those of LIoyd-Walker and Walker (2011) who argue that there is need for modification of transformational leadership to make it an authentic leadership style for the 21st century. Just as Alvolio and Gardener (2005) had suggested, LIoyd-Walker and Walker (2011) argue that trust and commitment are among the most important feature of authentic leadership and they distinguish authentic leadership required for 21st century from that in the previous years. LIoyd and Walker state that authentic leadership entails enabling or empowering the followers to self-regulate their activities b y supporting their development. As opposed to leadership in business alliances, project alliances require collaboration between the participating teams. This requires that the team members
Monday, September 23, 2019
Management, Innovation and New Technology Essay - 1
Management, Innovation and New Technology - Essay Example According to Sonnack, ââ¬Å"3M was found to be in very good shape with respect to fundamental, technology-driven innovationâ⬠(Hippel, 1999). 3Mââ¬â¢s policy promotes all the employees to dedicate up to 15% of the work time on any one project of choice of the employees. During this phase of work the developers are busy on new ideas as individuals and as informal groups. They try to fetch the project where it can be considered for formal support as a product or service development project. Technology and knowledge are the two approaches of innovation process through which a company can grow and expand. 3M has been able to utilize the technology and knowledge based strategy for innovation of many products. Especially the Post-it note pad was the innovation of 3M in which the application of technical and knowledge based innovation approaches were witnessed. There were lot of research and innovation processes going on with the product and the market. There were initial failures with the technology of the product and with constant knowledge application towards the product development, the company was successful in launching the standard Post-it note pad in the market and achieved success (Berman & Hagan, 2006). But Rhodes and Wield have discarded machine based or technology based innovation in support of knowledge based formation of technological change. The view provided by them was towards knowledge as frequently tactical and not as explicit. Technology is the body of knowledge and not machinery. Almost all the innovations occurred in an applied setting like shop floor. In 3M, all the employees get engaged in one project of their choice and devotes towards the project in making them reality. The culture of innovation environment has made the 3M develop many innovative products and services. Invention is determined appliance of the individual mind that surrenders an innovative conception with the practical application. According to The
Sunday, September 22, 2019
Basic Accounting Assignment Essay Example for Free
Basic Accounting Assignment Essay Generally Accepted à Principles, Balance sheet, Accounts receivable, Income statement, Debt, Liability, Double-entry bookkeeping system, Accounts payable 1- Explain the collecting, recording, classifying, summarizing, analyzing and reporting process of accounting. Collecting:- Data obtained from various sources with the help of appropriate measures is called collection of data. Recording:- Arranging the data into its chronological form is called recording of data. Classifying:- Division of data according to nature of events is called classification of data. Ledger is used for classifying transactions Posting is the process of transferring transactions from journal to ledger. Summarizing:- This involves presenting the classified data in a manner which is understandable and useful to the management and other interested parties. Follow statements are prepared:- Income statement Balance Sheet Cash flow statement Analyzing:- The comparison of data in a business is called analyzing of data. For example, analyzing of present data with past data, or actual data with projected data. Reporting:- Forwarding the results to financial users like chairman, directors, managers etc. is called reporting of data. Discuss in detail the nature of accounts i. e. assets, expenses, liabilities, revenues and capital by giving examples. Assets:- The resources of a business are called assets. They are of two types:- Fixed Assets: Land, Building, Equipment, Vehicle etc. Current Assets: Cash, cash at bank, A/c receivable, debtors, prepaid expenses. Expenses:- The amount spent in a business with a view to gain profit in the future is called expense. Examples are rent expen ses, salaries expenses, advertisement expenses etc. Liabilities:- The financial responsibilities of the business for which it is liable are called liabilities. They are divided into two types:- Fixed Liabilities (Bank Loan, Bonds Payable, Mortgage Payable. ) Current Liabilities (Notes Payable, Unearned Income, Creditors. ) Capital:- The amount of money invested by the owner in the business is called capital. Revenue:- The incomes and the profits earned in the business through selling are called revenues. For example, Sales, Service revenue, Interest, commission earned. Drawings:- The amount of money taken away by the proprietor for personal benefits is called Drawings. 3- Describe the accounting rule of debit and credit for accounts like assets, expenses, liabilities, revenues and capital. Assets Increase in Asset is debit. Decrease in Asset is credit. Liabilities Increase in liabilities is credit. Decrease in liabilities is debit. Revenues Increase in revenues is credit. Decrease in revenues is debit. Expenses Increase in expense is debit. Decrease in expense is credit. Capital Increase in capital is credit. Decrease in capital is debit. Select any twenty categories from the above and identify a transaction that will have the required effect on the business. 1- Purchased Goods on credit 25,000. 2- Gave services for cash 5,000. 3- Brought cash in business 65,000. 4- Adjusting entry of out standing salaries 9000. 5- Wages wrongly debited to Sales 400. 6- Salaries wrongly debited to Drawings 600. 7- Paid to accounts payable in cash 1500. 8- Good s returned by customer worth 650. 9- Withdrew cash for personal use 550
Saturday, September 21, 2019
Variations of Squat Techniques
Variations of Squat Techniques The Ultimate Exercise The smell of sweat, rubber and rust swirl through the air as an athlete prepares to step under a squat bar loaded with the next weight he is about to move. As the athlete steps under the bar, he thinks about his position and form. Then removes the weight and using proper technique, moves the weight for multiple repetitions before returning the weight back to the rack. The squat is a movement that is extremely useful for people of all ages or gender. This is because it is a natural movement that is found in everyday life. It also has other health benefits that can help improve things like joint pain, muscle mass and tone, as well as cardio vascular health. With proper technique and form, the squat can improve multiple aspects of life. There are many different styles of squatting. Although at the core of it they all are the same motion, each squatting style has its own benefits compared to the others. Some different examples of squat styles include the style most people think of when they think of squatting. This is back squat. There is also front squat and overhead squat. Within each of these styles there are also different variations to these motions to create improvements in different aspects of life. The back squat is the most recognizable form of the squat. This style in itself has many benefits, but to unlock these benefits you must make sure that you have the proper form and technique. This is imperative for your health and safety. According to Dariusz Czaprowski, Ryszard Biernat, and Agnieszka Kà ªdra in their article ââ¬Å"SQUAT ââ¬â RULES OF PERFORMING AND MOST COMMON MISTAKES Squat ââ¬â methodology of teaching,â⬠they break down learning the squat into three stages Stage one talks about reshaping the body so that the movement starts with a ââ¬Å"hip hinge (Czaprowski 4).â⬠Czaprowski also states that when people begin their attempt at a squat, they usually begin with bending their knees. This causes ââ¬Å"shearing and compression forcesâ⬠on the knee. This is why the hip hinge should be the first action when completing the squat. (3) The motion of the squat is the next important stage. This motion is best described in ââ¬Å"Back Squat Exercise: A Primerâ⬠by John M. Cissik. He breaks done the motion of the squat into three different phases. These phases are broken down into ââ¬Å"Start, Descend, and Ascendâ⬠(Cissik 29). Cissik starts talking about the Start position by saying, At the beginning of the back squat, the barbell is positioned on the squat rack. The athlete should step underneath the bar so that it rests on the back of his/her shoulders. The bar should be positioned where it is comfortable or the athlete. The athlete should stand up and step out of the squat rack. The feet should be even and between hip width and shoulder width apart with the weight on the athleteââ¬â¢s heels. The athlete should look straight ahead or slightly up. Before beginning the descent, the athlete should inflate the chest and pull the shoulders back, this action tightens the muscles along the spine helping to protect the lumbar vertebrae. (29) By performing the steps given here by Cissik, the athlete will have a very safe starting position. One the athlete is in the start position, Cissik then explains step by step the safe way of descending with the weight. This is very important because improper form, as stated before, can take away from the benefits of the exercise as well as increase the possibility for injury. The second phase is the descend. This phase is described by Cissik by saying, From the start position, the athlete descends by pushing the hips back and unlocking the knees. As this is done, the weight remains on the heels. The athlete should squat down until the thighs are parallel to the floor, unless there is an injury that would modify this. As the athlete is descending, the chest needs to remain inflated with the shoulders pulled back. (29) At the bottom of the descend phase immediately starts the third and final stage of the squat the Ascend (Cissik 29). At this point in the squat the athlete is at their lowest point. The article then explains how to perform the Ascend phase: Once the athlete has reached the bottom position, the athlete should reverse directions and stand up. As this is done, the hips and shoulders need to rise up at the same speed to prevent the athlete from toppling forward. The athlete needs to remember to keep the chest inflated and the shoulders back throughout the ascent. (Cissik 29) After the completion of the Ascend phase the athlete has then completed the entire squat. With an understanding of the form and motion of the back squat, why would someone want to add this into their workout program? There are multitudes of benefits that are cited in multiple articles and journals including increased mobility, strength, functional strength, as well as many other benefits to be described later in this paper. The main benefits that many people, men and women, should be interested in are that the squat increases functional strength as well as an increase in flexibility and strength. These will benefit not only in moving weight at a weight room, but also in doing daily activities. The squat motion is an extremely primal motion that has been used since human beings have been on the earth. They have used this motion to hunt food, gather food items such as berries and vegetables, and move obstacles. This is why when an athlete does a squat they not only work their lower body, but they also are working the nervous system (Vales). The squat is also found throughout our day. The functionality of this movement allows us to do things like lift heavy objects and jump to reach an object. The squat also aids in creating proper posture (Cohen). Although men are normally viewed as the type of athlete that would perform a squat, there are also many benefits for women. These include (but are not limited to) aiding in conception and the birthing process, weight loss, muscle toning, and improve balance (Daniel). Squatting in the later weeks of pregnancy helps in the birthing process by opening the pelvic area. This creates a shorter delivery time. It also creases a safer environment for a woman and her baby. Squatting increases balance and leg strength. Gains in these areas decrease the risk of falls protecting both the woman and child (Martinez). Some of the main benefits of a squat come for an athlete or someone trying to become fit. The squat not only helps with the functionality of daily live but also helps with muscle growth, increases testosterone production, increases speed as well as vertical jump, and tones abs and muscles (Vale). Other than the well-known back squat there many other variations of squatting you can incorporate into a workout to activate different muscle groups for specified training. The main squat variations other than your typical back squat include the Front Squat, Over-Head Squat, Zercher Squats, Anderson Squats, Bulgarian Split Squats, and One-Legged Squats. Each of these squats use the same general motion, but all have different techniques to improve your specific areas of fitness (Smith). The first variation most typically used after the Back Squat is the Front squat. This style of squatting consists of holding a barbell across the shoulders on the front side of the body. Placing the bar here trains the quadriceps, core, and the upper back more by putting a greater emphasis on these areas. This squat is also much easier to perform correctly due to the position of the center of gravity. By including this lift into a workout regimen, athletes will gain greater strength in the core and upper back as well as increase balanced leg strength (Smith). The front squat is also a better alternative for people struggling with some back problems. This is because the Front Squat decreases spinal compression as well as spinal flexion and Torque (Behar). The author, Jeff Behar, explains in his article ââ¬Å"7 Benefits of Front Squatsâ⬠by explaining ââ¬Å"The difficulty of the exercise [The Front Squat] results in less weight being able to be used. Less weight on the bar, equals less spinal compression.â⬠He also tells readers that ââ¬Å"By carrying the bar in the front, you reduce spinal flexion. This makes the Front Squats a safer leg exercise for your backâ⬠(Behar). After the Front squat in popularity is the Over Head Squat. This movement helps increase balance, mobility and muscular control by holding a barbell over the head. Also, this variation of the squat helps perfect the Snatch lift. Smith explains this by saying ââ¬Å"The overhead squat strengthens the midpoint of the barbell snatch and is essential to mastering that particular lift.â⬠This lift also emphasizes hip mobility more than any other variation of the squat (Smith). Another squat style that can help you in other aspects of lifting exercises is the Zercher Squat (Smith). In the article, Smith explains the motion of the squat by saying ââ¬Å"With your elbows bent at your side, place the barbell in the crook of your bent elbows. Squat until your elbows go between your knees or the bar touches your thighs. Thats one advantage of the Zercher: It tells you when you reach depth.â⬠This movement is accepted by many lifters that do deadlift due to the similar base of a deadlift movement (Smith). After performing many of these styles, athletes may notice that they ââ¬Å"Bounceâ⬠at the bottom of the movement. The Anderson Squat was designed to take away this bounce and create a more honest lift from the bottom of the squat. This lift also helps with control at the bottom of the squat movement. This will help with your other squat movements (Smith). The motion is explained by the author when he says Simply place the barbell on the safety pins in a rack at a height that would be at or near the bottom position of your squat. Be sure to pause between reps with the bar on the safety pins. This will ensure you dont cave to the temptation to bounce for assistance. (Smith) All of the variations of the squat motion talked about so far have required the use of both legs activating at the same time. The last two are different in the fact that you use one leg at a time. The One-Legged squat and Bulgarian Squat both require balance and strength to be performed, but when mastered they both train balance (Smith). This is because your body is more stable when you stand on two legs. The Bulgarian Split is performed similarly to the back squat with position of the barbell. The difference comes when you place one foot behind you. The squat motion is explained by Smith in his article by saying ââ¬Å"Place one foot a few feet behind you on a bench or raised platform. Keeping an upright torso, begin by pushing your hips back, like in a back squat. Allow your back leg to bend at the knee.â⬠This squat uses unilateral movement to correct imbalances between the right and left side of the body. This style of squat can also be done using a Front Squat bar position (Smith). The final squat variation is the One-Legged Squat. This is described by Smith as ââ¬Å"The ultimate test of unilateral strength like the one-armed push-up or pull-up.â⬠This is because the athlete is squatting their bodyweight on a single leg. This variation is very useful in developing balance. Once this motion is mastered, the athlete can then perform the movement while holding light weights (Smith). Although there are many forms and variations to the squat, they all are the same basic motion at its core. This is why the squat is essential to any fitness program. With so many benefits, the squat is so essential to the holistic health and fitness of any athlete at any fitness level. Works Cited Behar, Jeff. 7 Benefits of Front Squats.MuscleMagFitness.com. N.p., n.d. Web. 25 July 2014. http://www.musclemagfitness.com/fitness-and-exercises/weight-lifting/7-benefits-of-front-squats.html. Cissik, John M. Back Squat Exercise: A Primer.Modern Athlete and Coach(2011): 29-31.UF OneSearch. Web. 25 July 2014. http://metis.findlay.edu:2113/eds/pdfviewer/pdfviewer?sid=da7d75bd-90ab-4944-a0c0-7d198225b8c0%40sessionmgr110vid=2hid=115. Cohen, Ron. A New Persective on Squats, Lunges, and Living Life.Contemplative Fitness. N.p., 6 Mar. 2010. Web. 25 July 2014. http://contemplativefitness.me/2010/03/06/a-new-persective-on-squats-lunges-and-living-life/. CZAPROWSKI, DARIUSZ, RYSZARD BIERNAT, and AGNIESZKA KÃÅ DRA. SQUAT ââ¬â RULES OF PERFORMING AND MOST COMMON MISTAKES Squat ââ¬â methodology of teaching.Polish Journal of Sport Tourism19 (2012): 3-7. Web. 23 July 2014. http://metis.findlay.edu:2113/eds/pdfviewer/pdfviewer?sid=95bf5c29-9499-438b-88cb-6403cb194804%40sessionmgr115vid=2hid=115. Daniel, Harri. Benefits of Squats for Women.BenefitOf.com. N.p., 8 June 2011. Web. 25 July 2014. http://benefitof.net/benefits-of-squats-for-women/. Martinez, Eliza. Squats Exercise for Pregnant Women.The Nest. Demand Media, n.d. Web. 25 July 2014. http://woman.thenest.com/squats-exercise-pregnant-women-1072.html. Smith, Christopher. Meet The Squats: 7 Squat Variations You Should Be Doing.BodyBuilding.com. N.p., 10 July 2013. Web. 25 July 2014. http://www.bodybuilding.com/fun/meet-the-squats-7-squat-variations-you-should-be-doing.html. Vales, John. The 15 Benefits of Squats.Outlaw Fitness. N.p., 2014. Web. 25 July 2014. http://www.outlawfitnesshq.com/the-15-benefits-of-squats/.
Friday, September 20, 2019
Conversion of Waste to Energy
Conversion of Waste to Energy This section of the report focuses on waste to energy which is one of the most popular methods used to manage municipal solid waste around the world. Through waste to energy, trash has become a useful material because we are able to convert it to heat. The combustion of trash at a waste to energy facility produce ash, heat and flue gas. From the ash, metals are recovered and recycled. The flue gas is cleaned then it is released into the atmosphere through the chimney. The heat produced is used to generate electricity that powers the plant and nearby buildings. A waste to energy plant in the community helps to increase recycling rate which is beneficial for the city. There are more advantages to waste to energy than disadvantages, therefore it is essential that the city utilizes waste to energy has a way of managing municipal solid waste. 4.1.1. Introduction The management of municipal solid waste (MSW) in New York City has changed over the past decade from ocean and street dumping, to unregulated incineration, to current and export landfilling practices (Sylvan, 2011). The NYC Department of Sanitation, which is in charge of managing NYC waste collaborates with the Department of Parks and Recreation, the Sims Multi Recycling Recovery Facility, and GreeNYC to manage the citys waste through recycling, waste reduction, and composting and organic waste diversion (Cohen et al., 2015). In 2006, to efficiently manage the citys waste, the city Council approved the Comprehensive Solid Waste Management Plan (SWMP) which was created under the administrator of former Mayor Bloomberg (Cohen et al., 2015). The purpose of this plan was to establish a dependable, economical, and sustainable system for managing the citys waste (Cohen et al., 2015). This plan was eventually integrated into the sustainability planning under the PlaNYC, New York Citys compr ehensive sustainability plan in 2011 (Cohen et al., 2015). Under the new plan, in 2012, Former Mayor Bloomberg announced that the city would solicit plans to build a waste to energy facility near or within New York City (Rizzo et al., 2012). Waste to energy (WTE) technology is a process where trash is converted to heat/electricity. The most common waste to energy technology use around the world is mass burn, where trash is combusted to produce energy (Citizen Budget Commission, 2012). However, the plan to build a WTE facility was eventually archived due to misconceptions surrounding WTE (Rizzo et al., 2012). 4.1.1.1 Background on the Problem Incinerators are not new to New York City. In the 20th century, there were thirty-two municipal and 17,000 apartment house refuse incinerator in the city (Walsh et al., 2001). In 1935, New York City was forced to stop ocean dumping, which was the waste disposal method for the city at that time, after a federal lawsuit was filed by New Jersey coastal cities (Cohen et al., 2015). This led the city to rely on incinerators and landfill to dispose of its waste (Cohen et al., 2015). However, in 1952, citys officials reported that apartment house refuse incinerators were responsible for 30% of the citys air pollution (Walsh, 2002). The report on air pollution caused by incinerators in the 1950s led to the limits on incinerator usage based on environmental grounds (Walsh, 2002). In 1970, after the Federal Clean Air act was enacted, the city was forced to shut down incinerators plant that did not meet the emissions guidelines (WastedNYC, 2015). The emission guidelines led to the closure of th e citys four oldest municipal incinerators by 1971, and by mid- 1970s thousands of residential incinerators were closed down (Walsh, 2002). In 1989, City Council committee passes a bill to ban incinerators in the city in the next four years (WastedNYC, 2015; Dunlap, 1989). This bill led to the decline of both residential and municipal incinerators, and by 1994 there were no more incinerator plants in New York City (Walsh, 2002; Rizzo et al., 2012). 4.1.1.2. Purpose of the Paper The burning of garbage and WTE are related because they both involve the combustion of trash. However, WTE is not just about burning trash but it is used to produce energy. The purpose of this paper is to outline how WTE plants work as well as the benefit the city stands to gain if it builds its own WTE facility. The city currently sends approximately 10% of its MSW to WTE plants in Hempstead, Long Island and Essex County, New Jersey (Cohen 2015, Citizen Budget Commission, 2012). If the city were to build its owns plant, it would save money from not spending on the transportation of waste and the use of other states landfills or WTE facilities. WTE has the ability to improve New York Citys current waste disposal practices (Citizen Budget Commission, 2012). 4.1.2. Municipal Solid Waste Incinerator Process 4.1.2.1. How Incineration Works Figure 4.1.1: Schematic Diagram of the MSW incineration process (Lam et al., 2010). The incineration process of MSW is separated into three main parts: combustion, energy recovery and air pollution control (Lam et al., 2010). The crane in the machine (upper left, Fig.4.1.1) is used to feed solid waste into the furnace of the machine continually for combustion (Lam et al., 2010). The combustion of the waste in the furnace is enhanced by following the three Ts guideline, which are temperature, turbulence and time (Lam et al., 2010). High temperature increases burnout of the waste, while increasing turbulence reveals more waste surface and also increases burnout. (Lam et al., 2010). A longer resident time for the flue gas and waste also increases burnout (Lam et al., 2010). The temperature for incineration should be at least 850 oC with a residence time of 2 minutes (Lam et al., 2010). Air supply must be sufficient during the process to ensure complete combustion of waste and to inhibit the formation of carbon monoxide and dioxins (Lam et al., 2010). For the energy recovery process of the system, heat is generated from the waste and it is used to produce steam in the boiler (Lam et al., 2010). The steam is then used to drives the turbine to generate electricity (Lam et al., 2010). Air pollution was a major problem for old incinerators in the 20th century. However, modern incinerators are equipped with advanced pollution control systems which are designed to reduce pollution and ensure that the system is in compliance with environmental standards (Lam et al., 2010). To neutralize acidic gases such as hydrogen chloride and sulfur oxides, fine atomized slurry or lime powder is spray into the hot exhaust gas using a dry/wet scrubber (Lam et al., 2010). Also in the system, an activated carbon column is used to adsorb the heavy metals and organic pollutants such as polychlorinated biphenyls (PCB) and volatile organic compounds (VOC) in the exhaust gas (Lam et al., 2010). The bag filter install in the system acts to filter and remove dust particles and fine particulates from the combustion (Lam et al., 2016). 4.1.2.2. The Product of Incineration of Waste After the combustion of the waste three products are produced, the products are flue gas, heat and ash (Lam et al., 2016). 4.1.2.2.1. Flue gas The flue gas produced from the combustion contains air pollutant (Zaman, 2010) (See table 4.1.3). Therefore, before the flue gas is release through the chimney, the filtering system makes sure the gas is clean to be released into the atmosphere (Zaman, 2010). 4.1.2.2.2. Heat The heat produced is used to generate electricity. The facilities use the electricity generated to operate the plant and sell the excess energy (Chambers, 2016; Citizen Budget Commission, 2012). At most facilities, for every ton of waste combusted, 550 to 650 Kilowatt/hour (KWh) of electricity is generated for sale (Citizen Budget Commission, 2012). This is the way that WTE facilities are able to earn more income for the plant (Citizen Budget Commission, 2012). 4.1.2.2.3. Ash There are two types of ash produced from the combustion, bottom ash (BA) and fly ash (FA) (Lam et al., 2016). The ash is 90 percent smaller than the original volume of the waste combusted (Citizen Budget Commission, 2012). From the ash, WTE facilities are able to extract recyclable ferrous and non-ferrous metals (Chambers, 2016; Citizen Budget Commission, 2012). Then the ashes are landfilled (Chambers, 2016). Before the ashes are landfilled, the facilities test the ashes to make sure that the ashes are not hazardous to the environment (Chambers, 2016). However, in some Asian and European countries that uses WTE, the ashes are not landfilled but rather utilized for other purposes such as cement and concrete production, road pavement, glass ceramics and ceramic production, adsorbent for dyes and agriculture (Lam et al., 2010; Pà ©rez-Villarejo et al., 2012). Application of MSW ashes Type Application Composition % Country BA Aggregate in concrete up to 50% France BA Aggregate in concrete replace up to 15% of cement Slovenia BA Road base Spain BA Adsorbent for dyes India BA Concrete Italy Mixed Ash Cement clinker up to 50% Portugal Mixed Ash Cement clinker 44% Japan Mixed Ash Cement clinker 15% Taiwan Mixed Ash Aggregate in concrete Spain FA Concrete 50% France FA Eco cement 50% Japan FA Ceramic tile China FA Glass ceramic Korea FA Blended cement up to 45% UK Table 4.1.1: The uses of MSW Ash in different countries. The BA represents Bottom Ash, the FA represents Fly Ash and the Mixed Ash represents the mixture of both BA and FA (Modified after Lam et al., 2010). Table 4.1.2: Research projects on MSW ash as road construction materials in the U.S. BA represents Bottom Ash and combined ash represents both Bottom Ash and Fly Ash (Modified after An et al., 2014). WTE facilities in the United States(U.S.) such as Covanta have been lobbying to recycle the ash instead of landfilling it, but these attempts have been unsuccessful so far (Chambers, 2016). The facilities have been lobbying for both federal and state regulation that would allow the usage of ash in the country (Chambers, 2016). Several studies conducted in the U.S. has proved that ash can be used in the U.S. as part of road construction (An et al., 2014) (see table 4.1.2). Despite the research showing that ash is usable in the U.S. no regulation has been passed to allow the usage of ash (An et al., 2014). Recycling of ash would be beneficiary because it would help eliminate landfills. Therefore, it is essential that these facilities continue to lobby for the recycling of ash. 4.1.3. Misconception about Waste to Energy Opposition to waste to energy plant in the city is rooted in two misconceptions (Citizen Budget Commission, 2012). One of the misconceptions is that a waste to energy plant would displace recycling programs in the city (Citizen Budget Commission, 2012). This has been proven to be false based on places that use waste to energy as part of their waste management program (Citizen Budget Commission, 2012). High reliance on WTE is in fact correlated with high recycling rate (Citizen Budget Commission, 2012). For example, in Austria where WTE facilities are used, 70 percent of its MSW is either recycled or composed while the remaining 30 percent is sent to WTE plants (Citizen Budget Commission, 2012). Meanwhile, in the U.S., studies have shown that states that do not rely heavily on WTE to manage their waste have a recycling rate below 20 percent while states that rely heavily on WTE has recycling rates above 20 percent. (Citizen Budget Commission, 2012). For example, Connecticut, which is one of the leading states in reliance on WTE, sends 63 percent of its waste to WTE plants and recycle d 26 percent of its waste (Citizen Budget Commission, 2012). As of 2015, the recycling rate for the city was 16%, which is lower than the recycling rate for Connecticut (Szendro, 2015). This demonstrates that having a WTE plant in the city would not displace recycling but rather help us recycle better. The other misconception about WTE is that it causes air pollution which would affect the health of the resident that would who live around the plant (Citizen Budget Commission, 2012). In the 20th century there was a problem with incineration due to the fact that it causes air pollution. However, modern incinerators are equipped with systems that reduce the amount of pollutants released from the plant (Citizen Budget Commission, 2012). Also tight rule and regulations have led to the reduction of pollutant from WTE plants (Chambers, 2016). Under the federal Clean Air Act, WTE facilities must abide by the Maximum Achievable Control Technology (MACT) rules, which apply to eight different air pollutants (Citizen Budget Commission, 2012). Every five years, the Environmental Protection Agency (EPA) updates the MACT, which result in the update of pollution control in WTE facilities to meet the new EPA limits (Citizen Budget Commission, 2012). In 2012, the New York Department of Environmental Conservation (DEC) examined eight air pollutants at the states municipal waste combustion plants and found that most pollutant had declined by 30 to 60 percent from 1996 to 2010 (Citizen Budget Commission, 2012). *Toxic equivalent (sum of substance amounts multiplied by toxicity equivalency). Table 4.1.3. Emission from US WTE facilities Pre- versus Post MACT (Modified after EPA, 2016). Table 4.1.4. Average emission of 87 US WTE facilities (Lumber et al., 2006 as citied in Psomopoulos et al., 2009). WTE facilities in the US emit pollutants that are below that of the EPA Standard (Chambers, 2016, Psomopoulos et al., 2009) (see table 4.1.4). Numerous studies have shown that modern combustion plants pose no significant health risks (Citizen Budget commission., 2012). For example, a study in Germany, found near new WTE facilities the dioxin levels are only 1 to 2 percent of the level considered harmful to human health (Citizen Budget Commission., 2012). Another example, in Montgomery County WTE facility a health risk assessment found that even in the worst case scenario a nearby farmer has a one in three million chance of increase health risk from exposure to the facility(Budget Citizen Commission., 2012). This shows that WTE plants have no effect on human health and the idea that WTE plants in the city would affect the health of New Yorkers is false. 4.1.4. Benefit of Waste to Energy 4.1.4.1. Energy production and reduction in Greenhouse gases At WTE plants, combustion of 1 metric ton of MSW generates approximately 600 kWh of electricity thus preventing the mining of 0.25 ton of U.S. coal or importing one barrel of oil for electricity (Psomopolous et al., 2009). This lead to the displacement of energy produced at local facilities (Citizen Budget Commission., 2013). For example, the EPA calculated that for a ton of wasted combusted in the Middle Atlantic region prevent about 0.56 metric tons of emission from local utilities (Citizen Budget Commission, 2012). The EPA also estimated that for every ton of waste combusted, 0.04 tons of carbon dioxide from metal recovery is saved (Citizen Budget Commission, 2012). WTE is the only alternative to landfilling of non-recyclable wastes, where the decomposing waste releases methane into the atmosphere (Psomopoulos et al., 2009). Which means that the city practice of hauling waste to other states landfill is increasing the citys carbon footprint. Disposing of the citys garbage to local WTE would decrease the citys carbon foot print (Citizen Budget Commission., 2012). 4.1.4.2. Source of Renewable Energy Figure 4.1.2. Sources of U.S. electricity generation in 2015 (Modified after EIA, 2016). The combustible materials in MSW consist of 82% biomass (paper, food, yard wastes etc.), and 18% petroleum chemical wastes (Psomopolous et al., 2009). Therefore, MSW is considered a renewable source of energy and it is included by the U.S. Department of Energy in the biomass fuel category of renewable energy source (Psomopolous et al., 2009). In 2015, renewable energy generated 13% of the energy produced in the U.S. (EIA, 2016). The electricity produced by WTE facilities in the U.S. is 3% of the renewable energy generated in 2015, which is less than the amount of electricity generated by other renewable energy sources such as wind (35% of renewable energy generated), and solar (5% of renewable energy generated) (EIA, 2016) (see Figure 4.1.2). However, compare to wind and solar energy, the electricity generated by waste is consistent because the availability of these resources is stable, while the amount of electricity generated by the wind and solar energy depend on daily and seasona l weather, and this make the sources unreliable. (EIA, 2016). This shows that even though waste is not generating a lot of energy, it is a stable energy resource. 4.1.4.3. Recycling Having a WTE plant in the city would increase the citys recycling rate. WTE plant in the city would burn only non-recyclable material, which means that New Yorkers have the responsibility of sorting out their garbage before it is taken to the WTE plant (Citizen Budget Commission, 2012). 4.1.4.4. Free Amenities The people who live near the WTE plant might be entitled to free amenities. For example, the Toshima Incinerator plant in Tokyo has a swimming pool and an affordable fitness center located within the plant (Harden, 2008). These amenities are accessible to the people who live in community where the plant is located (Harden, 2008). Another example, is the Hiroshima Naka Citys Incinerator plant in Japan, which is also known as the museum of garbage (Harden, 2008). The end of one of Hiroshimas main boulevards, overlooks the citys harbor, but the building has entirely blocked residents access to the water(Bernstein,2004). Therefore, the architect of the building decided to continue the boulevard, in form of a raised, glass-enclosed walkway (Bernstein, 2004). Beginning where the pavement ends, a 400-foot walkway slips was put through the building, ending in a new waterfront park. Residents can walk through the slip to get access to the waterfront park (Bernstein, 2004). The beautiful archi tecture of the plant has made it a tourist attraction center in Hiroshima (Bernstein, 2004). This proves that WTE plants can be multifunctional. If the city decides to build its own WTE plants it can make it attractive to the community by including free amenities. 4.1.5. Economic Analysis In 2012, the average price of sending our waste to distant landfill was $95 per ton and it was estimated that the price would increase to $140 per ton in 2016 (Citizen Budget Commission, 2012). Meanwhile sending our waste to WTE facilities in Newark, New Jersey, and Hempstead, Long Island cost the city $66 and $77 per ton, respectively (Citizen Budget Commission, 2012). The prices for sending our waste to distant landfill and WTE facilities is expected to increase in the coming years (Citizen Budget Commission, 2016). In comparison, the projected tipping fees of new plants are much lower than sending our waste out of the city (Citizen Budget Commission, 2012). The New York City Independent Budget Office (IBO) estimated that the tipping fee at a new WTE plant that process 900,000 tons of waste per year would cost about $108 per ton in 2019, which is cheaper than the $140 per ton in 2016 for landfill (Citizen Budget Commission, 2012). Therefore, it would be beneficiary for the city to build its own plants. A full detail on economic analysis regarding WTE can be found in section 4.4 of this report. 4.1.6. Recommendation The use of a WTE plant located in the city or near the city offers both economic and environmental benefits compared to sending our waste out of the City (Citizen Budget Commission, 2012). Different factors are involved in estimating the economic benefits from the use of citys own WTE facility (citizen Budget Commission, 2012). The Key factors for the estimation are the future price of transporting waste to landfills, and the time it would take to plan, design and construct a plant (Citizen Budget Commission, 2012). Therefore, the cost of WTE would be compared to the amount the City would be paying to export its waste in 2022 (Citizen Budget Commission, 2012). It is estimated that in 2022 the City would be paying $170 per ton to export to landfill (Citizen Budget Commission, 2012). It would cost the City $750 million to finance a 3,000-ton per day WTE plant and capital funding, cost of operations and net of electricity sales for the plant would be approximate $109 million in 2022 (Citizen Budget Commission, 2016). It is assumed that the plant would be able to process 985, 500 tons of waste annually at a cost of $111 per ton if it operates all year round with 90 percent availability, (Citizen Budget Commission, 2012). This would save the City $59 for every ton sent to the new plant instead of being transported to landfill (Citizen Budget Commission,2016). Using this estimate, taxpayers would save approximately $119 million if the city diverts two million tons from landfill to WTE plant in 2022 (Citizen Budget Commission, 2012). This would lead to a reduction in the cost for disposing MSW in the City from $526 million to $408 million, a 23 percent drop in 2022 (Citizen Budget Commission, 2012). The diversion of two million tons of waste from landfills to WTE woul d not only save the city money but also reduce greenhouse gas emission (Citizen Budget Commission, 2012). Greenhouse gas emission due to this diversion is expected to decrease by 35 percent, which is equivalent to the reduction of carbon dioxide from 679,000 to 439,000 metric tons (Citizen Budget Commission, 2012). A Full detail on recommendations for the city regarding WTE can be found in section 4.4. of this report 4.1.7. Conclusion The use of WTE facilities has proven to be one of the best ways of managing MSW. WTE helps lower greenhouse gases and provides energy and material recovery. WTE also help reduce our reliance on fossil fuels for electricity, which leads to the reduction of greenhouse gas. WTE would also help increase the recycling rate of the city. Building WTE plant within NYC might be a problem due to the misconceptions surrounding WTE facilities. When people hear WTE, they think back to the old incinerators that were used in the 20th century in NYC. Therefore, it is essential for New York City to develop programs that would educate New Yorkers about the benefit of having WTE in the city and the differences between modern incinerators and the incinerators from 20th century. WTE has more benefits for the city than any effect it might have on the environment. References An, J., Kim, J., Golestani, B., Tasneem, K. M., Al Muhit, B. A., Nam, B. H., Behzadan, A. H. (2014). Evaluating the use of waste-to-energy bottom ash as road construction materials. University of Central Florida: Department of Civil, Environmental, and Construction Engineering. Accessed: December 8, 2016: http://www.fdot.gov/research/completed_proj/summary_smo/fdot-bdk78-977-20-rpt.pdf Bernstein, F.A. (2004). Beauty in Garbage: Naka Incinerator Plant by Yoshio Taniguchi. Arch News Now. Accessed November 26. 2016: http://www.archnewsnow.com/features/Feature152.htm Chambers, T (2016). Interviewed by me. Facility manager of Covanta Huntington LP. Kings Park, NY. Citizens Budget Commission (2012). Taxes In, Garbage Out: The Need for Better Solid Waste Disposal Policies in New York City. Citizens Budget Commission New York. Accessed October 6, 2016: http://www.cbcny.org/sites/default/files/REPORT_SolidWaste_053312012.pdf Cohen, C., Martinez, H., and Schroder, A. (2015). Waste Management Practices in New York City, Hong Kong and Beijing. Columbia University. Accessed October 5, 2016: http://www.columbia.edu/~sc32/documents/ALEP%20Waste%20Managent%20FINAL.pdf Dunlap, D.W. (1989). Panel Votes Bill to Ban Incinerators. New York Times. Accessed November 28, 2016: http://www.nytimes.com/1989/05/23/nyregion/panel-votes-bill-to-ban-incinerators.html EIA (2016). Energy in Brief: How much U.S. electricity is generated from renewable energy. Energy Information Administration. Accessed December 6, 2016: https://www.eia.gov/energy_in_brief/article/renewable_electricity.cfm EPA (2016). Energy Recovery from Waste: Air Emissions from MSW Combustion Facilities. Environmental Protection Agency. Accessed December 8, 2016: https://archive.epa.gov/epawaste/nonhaz/municipal/web/html/airem.html Harden, B. (2008). Japan Stanches Stench of Mass Incinerators. Washington Post. Accessed November 28, 2016: http://www.washingtonpost.com/wpdyn/content/article/2008/11/17/AR2008111702968.html Lam, C. H., Ip, A. W., Barford, J. P., and McKay, G. (2010). Use of incineration MSW ash: a review. Sustainability, 2(7), 1943-1968. Pà ©rez-Villarejo, L., Eliche-Quesada, D., Iglesias-Godino, F. J., Martà nez-Garcà a, C., Corpas-Iglesias, F. A. (2012). Recycling of ash from biomass incinerator in clay matrix to produce ceramic bricks. Journal of environmental management, 95, S349-S354. Psomopoulos, C. S., Bourka, A., Themelis, N. J. (2009). Waste-to-energy: A review of the status and benefits in USA. Waste management, 29(5), 1718-1724. Rizzo, C., Plum, M.K. (2012). Waste-to -Energy Facilities in New York City: Challenges and Opportunities. Accessed October 2, 2016: http://www.clm.com/publication.cfm?ID=370 Sylvan, D. (2011). Municipal Solid Waste in New York City: An Economic and Environmental Analysis of Disposal Options. New York League of Conservation Voters Education Fund (NYLCVEF). Accessed October 6, 2016: http://nylcvef.org/wp-content/uploads/2013/07/Solid-Waste-Background-Paper.pdf Szendro, B. (2015). New York City Makes Small Improvement in Recycling Rate: Despite improvements, Department of Sanitation falls short of its goal. New York League of Conservation Voters (NYLCV). Accessed November 15, 2016: http://nylcv.org/news/new-york-city-makes-small-improvement-in-recycling-rates Walsh, D. C., Chillrud, S. N., Simpson, H. J., Bopp, R. F. (2001). Refuse incinerator particulate emissions and combustion residues for New York City during the 20th century. Environmental science technology, 35(12), 2441-2447 Walsh, D. C. (2002). Peer Reviewed: The Evolution of Refuse Incineration. Environmental science technology, 36(15), 316A-322A. WastedNYC (2015). History of Incineration in New York City. WastedNYC. Accessed November 28, 2016: https://wastednyc.wordpress.com/local-incineration/incinerators-in-inwood/
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