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Water Impacts of CO_2 Emission Performance Standards for Fossil Fuel-fired Power Plants

机译：化石燃料发电厂的CO_2排放性能标准对水的影响

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摘要

We employ an integrated systems modeling tool to assess the water impacts of the new source performance standards recently proposed by the U.S. Environmental Protection Agency for limiting CO_2 emissions from coal- and gas-fired power plants. The implementation of amine-based carbon capture and storage (CCS) for 40% CO_2 capture to meet the current proposal will increase plant water use by roughly 3096 in supercritical pulverized coal-fired power plants. The specific amount of added water use varies with power plant and CCS designs. More stringent emission standards than the current proposal would require CO_2 emission reductions for natural gas combined-cycle (NGCC) plants via CCS, which would also increase plant water use. When examined over a range of possible future emission standards from 1100 to 300 lb CO_2/MWh gross, new baseload NGCC plants consume roughly 60-70% less water than coal-fired plants. A series of adaptation approaches to secure low-carbon energy production and improve the electric power industry's water management in the face of future policy constraints are discussed both quantitatively and qualitatively.
机译：我们采用了集成的系统建模工具，以评估美国环境保护署最近提出的新排放源性能标准对水的影响，以限制燃煤和燃气电厂的CO_2排放。为满足当前提议而实施的基于胺的碳捕集与封存（CCS）以实现40％的CO_2排放，将使超临界煤粉电厂的工厂用水量增加3096倍左右。增加的水的具体使用量随电厂和CCS设计的不同而不同。比当前提案更严格的排放标准将要求通过CCS减少天然气联合循环（NGCC）工厂的CO_2排放，这也将增加工厂用水。在未来的排放标准（总排放量为1100至300 lb CO_2 / MWh）范围内进行检查时，新的基本负荷NGCC电厂的耗水量比燃煤电厂低约60-70％。面对未来的政策限制，定量和定性地讨论了一系列适应方法，以确保低碳能源生产和改善电力行业的水管理。

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  • 来源
    《Environmental Science & Technology》 |2014年第20期|11769-11776|共8页
  • 作者

    Shuchi Talati; Haibo Zhai; M. Granger Morgan;

  • 作者单位

    Department of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States;

    Department of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States;

    Department of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States;

  • 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);
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  • 正文语种 eng
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