An Analysis of the Industrial Water Use Evolution in China

被引：0
作者：
Zhang, Xu [1 ,2 ]
Zhang, Jian-Yun [3 ]
Ao, Tian-Qi [4 ]
Wang, Xiao-Jun [3 ]
Wang, Bing-Xuan [5 ]
机构：
[1] Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing
[2] College of Environment, Hohai University, Nanjing
[3] State Key Laboratory of Hydrology and Water Resources and Hydraulic Engineering Science, Nanjing Hydraulic Research Institute, Nanjing
[4] College of Water Resource & Hydropower, Sichuan University, Chengdu
[5] College of Hydrology and Water Resources, Hohai University, Nanjing
来源：
Huanjing Kexue/Environmental Science | 2024年 / 45卷 / 08期
关键词：
different sectors; industrial water use; input-output model; structural decomposition analysis（SDA）; water reuse rate;
D O I：
10.13227/j.hjkx.202307159
中图分类号：
学科分类号：
摘要：
To deepen the recognition of changes in industrial water use with socio-economic development，a“double-layer nested”structural decomposition analysis has been proposed to decompose the influence of the drivers of industrial water use change by sectors in China from 2002 to 2020. The results showed that the scale expansion factors represented by consumption，investment，and export were the main factors for the growth of industrial water use in different sectors，among which the expansion effect of per capita consumption grew faster. Additionally，there were obvious differences in the major drivers of industrial scale expansion between different sectors，which directly drove the industrial structure change. The production process water use effect and water reuse effect were the main factors to curb the growth of industrial water use. The accumulation of both had completely offset the positive effect of industrial scale expansion during the period，reducing industrial water consumption by 11.2 billion m3. However，the production process water use changes in metal extraction，smelting，and processing and energy processing sectors such as electric power had a smaller negative effect，leading to the potential for improving industrial water efficiency solely through a relatively small improvement in water resource reuse. Therefore，it is necessary to strengthen industrial water conservation management based on the differences in the impact of various sectors to promote the transformation and upgradation of industrial production and consumption structures，and to avoid another increase in industrial water use in China. © 2024 Science Press. All rights reserved.
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页码：4520 / 4528
页数：8
相关论文
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