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中国电机工程学报 2009, 29(17) 63-69 DOI: ISSN: 0258-8013 CN: 11-2107/TM

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	本文关键词相关文章
	生命周期评价
	选择性催化还原
	烟气脱硝
	资源消耗
	环境影响
	本文作者相关文章
	梁增英
	马晓茜
	PubMed
	Article by Liang,C.Y
	Article by Ma,X.Q

选择性催化还原烟气脱硝技术的生命周期评价

梁增英，马晓茜

华南理工大学电力学院

摘要：运用生命周期评价(life cycle assessment，LCA)方法，以某电厂600 MW机组选择性催化还原(selective catalytic reduction，SCR)烟气脱硝项目为研究对象，对液氨、触媒与SCR建材的生产、运输及烟气脱硝3个过程进行了生命周期清单分析，并分别计算各子过程中的能源消耗及对环境的影响。结果表明，一年内该电厂SCR烟气脱硝项目的环境影响负荷为45 507.34 kg (2000年人均环境影响潜值)，低于未经脱硝直接排入大气的烟气环境影响负荷99 617.65 kg，明显地改善了大气环境。

关键词：生命周期评价选择性催化还原烟气脱硝资源消耗环境影响

Life Cycle Assessment on Selective Catalytic Reduction Flue-gas Denitrification

LIANG Zeng-ying, MA Xiao-qian

Electric Power College, South China University of Technology

Abstract: Three processes of selective catalytic reduction (SCR) flue-gas denitrification project by life cycle assessment LCA methodology were analysed, such as the production and transportation of the liquid ammonia, the catalyst and production materials, flue-gas denitrification, which based on a SCR flue-gas denitrification engineering project in a power plant. The energy consumption and environmental impact of each process were collected and calculated respectively. The results show that the environmental impact load (EIL) of SCR flue-gas denitrification project is 45 507.34 kg (per capita, targeted, 2000) during one year, less than the EIL (99 617.65 kg) of flue-gas release directly into the atmosphere without denitrification. Therefore, this project plays a significant role in environmental improvement.

Keywords: cycle assessment selective catalytic reduction flue-gas denitrification resource consumption environmental impact

收稿日期 2008-10-20 修回日期 2009-01-05 网络版发布日期 2009-06-18

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通讯作者: 梁增英

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