温室气体
废水
环境科学
污水处理
可再生能源
碳足迹
废物管理
环境工程
电
生命周期评估
工程类
生产(经济)
生态学
宏观经济学
电气工程
经济
生物
作者
Yindong Tong,Xiawei Liao,Yanying He,Xiaomei Cui,Marcus J. Wishart,Zhao Feng,Yulian Liao,Yingxin Zhao,Xuebin Lv,Jiawen Xie,Yiwen Liu,Guanyi Chen,Li’an Hou
标识
DOI:10.1016/j.ese.2023.100341
摘要
Municipal wastewater treatment plays an indispensable role in enhancing water quality by eliminating contaminants. While the process is vital, its environmental footprint, especially in terms of greenhouse gas (GHG) emissions, remains underexplored. Here we offer a comprehensive assessment of GHG emissions from wastewater treatment plants (WWTPs) across China. Our analyses reveal an estimated 1.54 (0.92–2.65) × 104 Gg release of GHGs (CO2-eq) in 2020, with a dominant contribution from N2O emissions and electricity consumption. We can foresee a 60–65 % reduction potential in GHG emissions with promising advancements in wastewater treatment, such as cutting-edge biological techniques, intelligent wastewater strategies, and a shift towards renewable energy sources.
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