Summary of waste conversion technologies prepared for newmoa bryan staley, phd, pe president and ceo overview waste conversion definedhistorical background diversion and conversion hierarchy waste composition and diversion conversion types of waste conversion technologies biological. It details how the proven plasma gasification technology. Conversion technology environmental fact sheet conversion technologies provide an opportunity to reduce our dependence on landfill disposal while reducing air emissions, including greenhouse gases. The wte sector has undergone a rapid technological development over the last 10 to 15 years. Waste to energy wte is now an available and wellknown procedure to treat a very wide range of waste. These are stateoftheart processes capable of creating useful products, green fuels, and clean, renewable energy from solid waste. These microorganisms are presently being applied to the task, through an innovative technology known as a microbial fuel cell or mfc. 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. Therefore, of the nearly 60% of msw that is available for conversion to energy, currently only 7% of this is converted2. The dominant technology for large wastetoenergy wte facilities is combustion on a moving grate of. Feedstock evaluation and biofuels production potential.
College of engineering university of california, berkeley. A host of technologies are available for realizing the potential of waste as an energy source, ranging from very simple systems for disposing of dry waste to. Wastetoenergy and alternative conversion technologies. The gwecc construction team can retrofit old facilities with new wastetoenergy technology. A public meeting next week will address new rules for socalled conversion technology that turns trash into energy. Renewable energy instead of greenhouse gas emissions by prof. In europe, the preferred solution for the portion of msw that is not recycled or reused is to combust the remainder in waste to energy facilities that generate electricity and recover steam, metals and other resources, with only about onetenth of the original volume going to ash landfills or used for road. Incineration is the main waste toenergy form of treatment. Wastetoenergy wte or energyfromwaste efw is the process of generating energy in the form of electricity andor heat from the primary treatment of waste, or the processing of waste into a fuel source. This change has been driven in order to control industries policies, and in particular, imposing limits on pollutants produced by individual.
High temperature conversion of waste groundbreaking waste to energy technology total disposal of all waste types allinone technology from the best of traditions in german engineering, using the stateoftheart technologies from the steel industries radically adapted for new purpose. Young has several publications in this technical area and has recently published a book on waste to energy conversion processes. Converting waste into useful energy by improving microbial. Waste to energy conversion technology explores the systems, technology and impacts of waste to energy conversion. Department of energy renewed funding for a center designed to explore fundamental scientific principles that underpin technologies such as solar energy and fuel cells. The resurgence of wastetoenergy and conversion technologies. Overview on waste to energy wte wastetoenergy or wte is defined as gainful conversion of waste resource into energy either directly as a fuel or in form of heat or electricity. This significantly reduces waste disposal on land fill sites such as municipal or industrial waste and sludge, and medical or industrial hazardous waste. Conversion technology development enable focus on most promising feedstocks for biofuel production relevant data and analysis to support decisionmaking. These technologies, while at an earlier stage of technology readiness, may provide cost. Gwecc proprietary conversion systems are manufactured in the usa. Small scale wastetoenergy technologies claudine ellyin advisor.
Finally, part three highlights pollution control systems for waste to energy technologies. Huge amounts of energy are lost every day in the form of waste heat. High temperature conversion of waste waste to energy. The benefits of wastetoenergy technologies by us department of energy argonne research shows that we can generate energy and mitigate methane emissions from food waste. Waste to energy conversion technology is a standard reference book for plant managers, building engineers and consultants requiring an understanding of wte technologies, and researchers. We classify this information by energy conversion, transport, and storage technologies available now, and those likely to be available in the future. Intended for a wide audience ranging from engineers and academics to decisionmakers in both the public and private sectors, municipal solid waste to energy conversion processes.
Department of energy office of energy efficiency and renewable energy operated by t he alliance for sustainable energy, llc wastetoenergy technologies and project development doedod wte workshop jerry davis july, 2011. Waste to energy conversion technology is a standard reference book for plant managers, building engineers and consultants requiring an understanding of wte technologies, and researchers, scientists and academics interested in the field. However, wastetoenergy systems can beexpensive and often limited in the types ofwaste they can use efficiently. Waste to energy international wtei offers many sustainable solutions for thermal residue utilization. While it is tempting to embrace technologies that at first glance appear to show promise, it is important to pause and conduct a full risk assessment before gambling on whether emerging technologies will prove themselves to be commercially. Wte is an integral part of msw treatment meeting global standards. Executive summary ecocycle has been involved in the issue of what to do with societys discards if they arent landfilled for 35 years. Maine energy recovery company biddeford, me 600 22 1987. Other aspects of wte technology that will be of interest to usvi stakeholders include the following. Gasification is more efficient and environmental friendly technology than incineration for conversion waste into energy.
It is a clean, reliable, renewable source of energy us epa. Plasma gasification plasma is an ionized gas where the atoms of the. It is a treatment technology involving destruction of solid waste by controlled burning at high temperatures. Converting waste heat to electricity alternative energy news. Most wte processes generate electricity andor heat directly through combustion, or produce a combustible fuel commodity, such as methane. In the general, gasification has been used for the conversion of carbonaceous materials into a gaseous product for the production of energy products and byproducts in an oxygen starved environment. Proven technology bottom ash requires landfill for disposal. The technologies are evaluated based on net conversion e. Waste to energy wte, is a term that is used to describe various technologies that convert nonrecyclable waste into usable forms of energy including heat, fuels and electricity. Conversion technology processes and products secondary product product conversion. Waste toenergy wte technology utilizes municipal solid waste msw to create electric and heat energy through various complex conversion methods wte technology provides an alternative source of renewable energy in a world with limited or challenged fossil reserves msw is considered a source of renewable energy because it contains a large.
Sanitary landfill can be defined as a scientific dumping of msw using an engineering facility. Wte is considered renewable energy by various federal and state laws, executive orders, the federal energy regulatory commission ferc and the internal revenue service irs. Municipal solid wastetoenergy conversion biothermal. Along with its partners, eefc provides expert solutions in mini hydro electric, wind, solar, waste to energy wte and waste to fuel for power generation and electrical transmission and distribution systems. Wastetoenergy and conversion technologies in the u. The latest technologies have also reduced the pollution levels seen from early waste incineration plants by over 99%. As recognized, gasification is an old technology used for the production of energy from solid materials. The global market of the global market of waste to energy has significant ly increased. Detailed information on energy research projektinfo 2011 transforming waste heat into electricity steam expansion engine makes efficient and flexible use of lowtemperature heat with orc technology anyone generating electricity or operating hightemperature industrial processes produces waste heat. Wte can occur through a number of processes such as incineration, gasification, pyrolysis, anaerobic digestion, and landfill gas recovery 1. One of the mostly used and practical technology, a third main group, for wte today is landfilling which is a soilbased waste disposal technique that uses engineering principles to confine solid waste to smallest area possible and reduce it to the lowest allowable volume in sanitary landfill. Wastetoenergy options in muncipal solid waste management a guide for decision makers in developing and emerging countries outlines the different wte technologies currently applied at the municipal level and their potential role in an integrated waste management system.
Wastetoenergy technologies can address twosets of environmental issues at one stroke landuse and pollution from landfills, and the wellknow environmental perils of fossil fuels. Now an interdisciplinary project at chalmers has found that a special class of material highentropy alloys can open. Modern wastetoenergy plants are being built around the world to reduce the levels of solid waste going into landfill sites and contribute to renewable energy and carbon reduction targets. Wastetoenergy options in municipal solid waste management. Wastetoenergy conversion processes in society, there is a technical and commercial economic interest with the conversion of waste solids to energy such as electricity and fuels.
Our partners lockheed martin is the manufacturer of the concord blue reformer. Our network of technology and engineering partners, together with 3t federal. Rajkamal3 1ug department of mechatronics, nehru institute of engineering and technology 2,3assistant professor department of mechanical, nehru institute of engineering and technology coimbatore, tamil nadu, india. Waste to energy conversion technology woodhead publishing. Our focus and expertise is in recycling, composting, reuse and waste reduction, but, over the last ten years, we have been forced to become experts in another alternativeburning trash to make energy. Summary of waste conversion technologies prepared for newmoa bryan staley, phd, pe president and ceo overview waste conversion definedhistorical background diversion and conversion hierarchy waste composition and diversionconversion types of waste conversion technologies biological. The latest clean energy conversion solutions to take trash of all forms and make electricity without polluting our environment or increasing greenhouse gases. Waste to energy wte technology is a process where trash is converted to heatelectricity.
1486 1249 1285 613 1310 1163 1354 104 661 1268 1186 1464 20 1331 13 1297 1512 953 1129 1349 316 531 370 772 600 1604 1336 1451 417 1371 1169 249 1060 1454 76 747 68 602 334