文献详情
Energy intensity of wastewater treatment plants and influencing factors in China
文献类型:期刊
通讯作者:Wu, J (reprint author), Renmin Univ China, Sch Environm & Nat Resources, Beijing 100872, Peoples R China.; Wu, J (reprint author), Renmin Univ China, Sch Environm & Nat Resources, 215 Environm Sch Bldg, Beijing 199872, Peoples R China.
期刊名称:SCIENCE OF THE TOTAL ENVIRONMENT影响因子和分区
年:2019
卷:670
页码:961-970
ISSN:0048-9697
关键词:Wastewater-energy nexus; Energy consumption; Energy efficiency; Quantitative modeling
所属部门:环境学院
摘要:The wastewater-energy nexus is an emerging concern in the wastewater treatment sector. Understanding the energy efficiency of wastewater treatment plants (WWTPs) and the factors that influence it will help to improve planning and managing in order to meet increasing energy conservation demands. In this study, we use a unique big da lase t from a pollution source census of all WWTPs in China to establish a quantitative model that relates the energy consumption of WWTPs to major influencing factor ...More
The wastewater-energy nexus is an emerging concern in the wastewater treatment sector. Understanding the energy efficiency of wastewater treatment plants (WWTPs) and the factors that influence it will help to improve planning and managing in order to meet increasing energy conservation demands. In this study, we use a unique big da lase t from a pollution source census of all WWTPs in China to establish a quantitative model that relates the energy consumption of WWTPs to major influencing factors. From our results, we found that WWTPs in China arc more energy-intensive than their international counterparts. Influencing factors such as treatment scale, technology, treatment degree, load factor, sludge amount, age, topography and wastewater collection area all significantly affect energy efficiency. In terms of energy saving potential, if the influent chemical oxygen demand (COD) concentration is increased to >500 mg/L, the total energy consumption of the wastewater treatment industry can be reduced by at least 20%. Furthermore, potential energy conservation is 5.9% for increasing the load of sewage treatment plants and 32% for renovating old WWTPs. We prioritized approaches for WWTP energy conservation and ranked them as follows: 1) establishing rain and sewage diversion facilities and increasing the inlet concentration of pollutants; 2) expanding and improving the sewage treatment pipe network and increasing the utilization rate of WWTP's: and 3) renovating old WWTPs. Our findings provide insights for other countries to improve the wastewater-energy nexus in their wastewater treatment sector. (C) 2019 Elsevier B.V. All rights reserved. ...Hide
DOI:10.1016/j.scitotenv.2019.03.159
百度学术:Energy intensity of wastewater treatment plants and influencing factors in China
语言:外文
被引频次:3
人气指数:1
浏览次数:1
基金:National Social Science Foundation of China [18VSJ100]; Fundamental Research Funds for Chinese Academy of Agricultural Sciences [161005201901-2-2]; Special fund for talents of Science & Technology Innovation Engineering of the Chinese Academy of Agricultural Sciences [ASTIP-IAED-2019RC-01]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41571519]
作者其他论文
Adsorption characteristics of organics in the effluent of ultra-short SRT wastewater treatment by single-walled, multi-walled, and graphitized multi-walled carbon nanotubes.Zha, Yifei, Wang, Yuanyuan, Liu, Shuzi, et al. .SCIENTIFIC REPORTS. 2018, 8.
Characteristics of aniline and nitrobenzene adsorption on single-walled, multi-walled and graphitized multi-walled carbon nanotubes.Liu, Shuai, Zha, Yifei, Wang, Yuanyuan, et al. .CURRENT SCIENCE. 2019, 117(4), 683-689.
Modification of natural zeolite and its application to advanced recovery of organic matter from an ultra-short-SRT activated sludge process effluent.Liu, Guo-hua, Wang, Yuanyuan, Zhang, Yuankai, et al. .SCIENCE OF THE TOTAL ENVIRONMENT. 2019, 652, 1366-1374.
Reindeer Ewenki's fading culture.Wang, Jing;Sun, Junping;Aryal, Achyut,等.SCIENCE.2015,347(6225),957-957.
Securing water for wetland conservation: A comparative analysis of policy options to protect a national nature reserve in China.Wu, Jian;Wu, JunJie;Wang, Xiaoxia,等.JOURNAL OF ENVIRONMENTAL MANAGEMENT.2012,94(1),102-111.
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Energy intensity of wastewater treatment plants and influencing factors in China
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