Data envelopment analysis as a tool to assess the water demand minimization potential in industrial zones in the Vietnamese Delta

IF 4.5 3区工程技术 Q1 WATER RESOURCES Water Resources and Industry Pub Date : 2022-12-01 DOI:10.1016/j.wri.2022.100181

Truong M. Le , K. Kujawa-Roeleveld , Dieu T.M. Tran , Huub H.M. Rijnaarts

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引用次数: 1

Abstract

This work employs the data envelopment analysis technique to assess the water use efficiency of companies and the water reduction potential of industrial categories in industrial zones. Fifty-eight companies were selected from four industrial categories: wearing apparel (WA,18), fabricated metal (FM,12), rubber and plastic (RP,12), and other manufacturing (OM,12) based on six variables: monthly water usage, two types of effluent contaminant loadings, monthly production capacity, number of employees, and surface occupied by a company. The results indicate that significant numbers of companies are inefficient in water use, namely WA(28%), OM(42%), FM(43%), and RP(46%). Implementing technical measures to improve water use efficiency at these companies offers a varying water reduction potential per industrial category, namely in the order RP(25%) > FM(17%) ≫ WA(7%) > OM(4%). These results show that improving water efficiency by water use minimization is not the only ptential measure for improving the industrial zone's water metabolism towards self-sufficiency.

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数据包络分析作为评估越南三角洲工业区用水需求最小化潜力的工具

本研究采用数据包络分析技术，对企业的用水效率和工业区工业类别的节水潜力进行了评估。根据六个变量，从四个工业类别中选择了58家公司:服装(WA,18)，加工金属(FM,12)，橡胶和塑料(RP,12)和其他制造业(OM,12):每月用水量，两种类型的污水污染物负荷，每月生产能力，员工人数和公司占地面积。结果表明，相当数量的公司在用水方面效率低下，即WA(28%)， OM(42%)， FM(43%)和RP(46%)。在这些公司实施提高用水效率的技术措施，每个工业类别提供了不同的节水潜力，即RP(25%) > FM(17%)比WA(7%) > OM(4%)。这些结果表明，通过最小化用水量来提高用水效率并不是提高工业区水代谢自给自足的唯一潜在措施。

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来源期刊

Water Resources and Industry Social Sciences-Geography, Planning and Development

CiteScore

8.10

自引率

5.90%

发文量

审稿时长

75 days

期刊介绍： Water Resources and Industry moves research to innovation by focusing on the role industry plays in the exploitation, management and treatment of water resources. Different industries use radically different water resources in their production processes, while they produce, treat and dispose a wide variety of wastewater qualities. Depending on the geographical location of the facilities, the impact on the local resources will vary, pre-empting the applicability of one single approach. The aims and scope of the journal include: -Industrial water footprint assessment - an evaluation of tools and methodologies -What constitutes good corporate governance and policy and how to evaluate water-related risk -What constitutes good stakeholder collaboration and engagement -New technologies enabling companies to better manage water resources -Integration of water and energy and of water treatment and production processes in industry