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首页> 外文期刊>Environmental Science & Technology >Landfill-gas.to-energy projects: Analysis of net private and social benefits
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Landfill-gas.to-energy projects: Analysis of net private and social benefits

机译：垃圾填埋气发电项目：私人和社会净收益分析

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摘要

Methane emissions from municipal landfills represent 3% of the total United States greenhouse gas emissions that contribute to climate change. These methane emissions can be released to the air or collected and flared. This landfill gas also has the potential to be used to generate electricity. In 1994,the Environmental Protection Agency (EPA) created the Landfill Methane Outreach Program, with the objective of promoting the development of landfill-gas-to-energy projects around the country. There are currently 2,300 active landfills in the United States. Although there are already 382 operational projects, there are many more landfills with the potential to use the gas. EPA has identified at least 630 candidate landfills for energy projects, and many more have still not been identified. The objective of this paper is to evaluate total private and social benefits of landfill-gas-to-energy projects, taking into consideration not only the costs of installing and maintaining the necessary equipment and the revenues obtained from selling the electricity but also a valuation of the greenhouse gas emissions that would be prevented and the emissions of criteria pollutants created by the electricity generating equipment. It also evaluates the breakeven government subsidies that would be required to make such projects economically viable from private and social perspectives in comparison to current subsidies. It was found that the private breakeven price of electricity for these projects is lower than
机译：市政垃圾填埋场的甲烷排放量占导致气候变化的美国温室气体排放总量的3％。这些甲烷排放物可以释放到空气中或收集并燃烧。这种垃圾填埋气也具有用于发电的潜力。 1994年，环境保护局（EPA）制定了垃圾填埋甲烷推广计划，目的是在全国范围内推动垃圾填埋气转化为能源的项目的发展。目前，美国有2300个活跃的垃圾填埋场。尽管已经有382个运营项目，但还有更多具有使用天然气潜力的垃圾填埋场。 EPA已经为能源项目确定了至少630个候选填埋场，还有更多尚未被确定。本文的目的是评估垃圾填埋气转化为能源项目的总体私人和社会效益，不仅要考虑安装和维护必要设备的成本以及从售电中获得的收入，还要考虑可以避免的温室气体排放以及由发电设备产生的标准污染物的排放。它还从私人和社会的角度评估了与当前补贴相比，使此类项目在经济上可行的盈亏平衡政府补贴。发现这些项目的私人电力盈亏平衡价格低于

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  • 来源
    《Environmental Science & Technology》 |2005年第19期|p. 7365-7373|共9页
  • 作者

    Jaramillo P; Matthews HS;

  • 作者单位

    Carnegie Mellon Univ, Dept Civil & Environm Engn, Pittsburgh, PA 15213 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 环境化学;
  • 关键词

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