Low-carbon assessment for ecological wastewater treatment by a constructed wetland in Beijing
Low-carbon assessment for ecological wastewater treatment by a constructed wetland in Beijing
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北京市人工湿地生态废水处理低碳评价
DOI：
10.1016/j.ecoleng.2010.12.027
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发表时间：
2011-04
影响因子：
3.8
通讯作者：
Wu, Zi
中科院分区：
文献类型：
--
作者：
Chen, G. Q.;Shao, L.;Chen, Z. M.;Li, Z.;Zhang, Bo;Chen, H.;Wu, Zi
对人工湿地生态工程污水处理的低碳性进行了评价。通过结合过程和投入产出分析的系统核算被应用于跟踪与废水处理相关的直接和间接温室气体排放。基于详细的评估程序和2007年中国经济隐含的温室气体排放强度数据库，对北京人工湿地试点建设和运行阶段的温室气体排放进行了具体详细的调查，并以循环活性污泥厂作为典型的常规污水处理系统进行了平行计算进行比较。考虑到整体体现的温室气体排放，人工湿地是显着低于传统的污水处理系统的碳密集度，温室气体排放结构的对比也被揭示和表征。研究结果表明，人工湿地生态工程有利于实现低碳目标。
Presented in this paper is a low-carbon assessment for wastewater treatment by a constructed wetland as ecological engineering. Systems accounting by combining process and input–output analyses is applied to track both direct and indirect GHG emissions associated with the wastewater treatment. Based on the detailed assessment procedures and the embodied GHG emission intensity database for the Chinese economy in 2007, the GHG emissions embodied in both the construction and operation stages of a pilot constructed wetland in Beijing are investigated in concrete detail, with parallel calculations carried out for a cyclic activated sludge plant as a typical conventional wastewater treatment system for comparison. With the overall embodied GHG emissions taken into account, the constructed wetland is shown to be remarkably less carbon intensive than the conventional wastewater treatment system, and the contrast in GHG emission structure is also revealed and characterized. According to the results, the ecological engineering of the constructed wetland is considered to be favorable for achieving the low-carbon goal.
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DOI：
10.1016/j.cnsns.2007.02.009
发表时间：
2008-11
影响因子：
3.9
作者：
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通讯作者：
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影响因子：
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影响因子：
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DOI：
10.1016/j.scitotenv.2006.10.007
发表时间：
2007-07
期刊：
The Science of the total environment
影响因子：
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作者：
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DOI：
10.1201/9781003069850
发表时间：
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期刊：
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影响因子：
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