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首页> 外文期刊>Environmental Science and Pollution Research >Water consumption assessment in Asian chemical industries supply chains based on input–output analysis and one-way analysis of variance
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Water consumption assessment in Asian chemical industries supply chains based on input–output analysis and one-way analysis of variance

机译：基于输入产出分析的亚洲化学工业供应链和单向分析的亚洲化学工业供应链

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Chemical sector contributes extensively to the economic development of countries, however, it is one of the main water-consuming industries. Considering that the corporate water accounting along complete SCs can help companies in improving their sustainable water managements along their value chains, this paper aims to study the water consumption in the entire supply chain of the chemical industry from a multi-regional input-output perspective. In this regard, six Asian countries including Indonesia, Taiwan, China, Japan, South Korea and India are selected to be studied based upon the availability of their data. In the following, the direct water consumed by themselves and the indirect water used by their suppliers are measured for each country using input-output analysis method. Moreover, to draw on the conclusions of selected Asian countries, the amount of consumed water in their supply chains is compared with each other using one-way analysis of variance method. The results from input-output analysis show that the indirect water consumption in the chemical SCs of Indonesia, China, India and South Korea are 20.66, 4.62, 1.37 and 1.08 times greater than their direct water use, while the indirect water consumption for Japan and Taiwan are 0.73 and 0.13 times less than their direct values. The final results from one-way analysis of variance indicate that direct and indirect amount of water consumptions in the chemical supply chains of the selected countries do not follow the same trend over 15?years. However, India and China are the top two countries in terms of both direct and indirect amounts of water consumption due to their higher population. This study presents valuable information for authorities and policymakers in terms of proper water consumption management in chemical industry and other industrial sectors. In this matter, technology-based or production-related actions are beneficiary for affecting direct water use, while consumption-based or end-use actions are more appropriate for affecting indirect water consumption.
机译：化工行业广泛利于国家的经济发展，但是，它的主要耗水的行业之一。考虑到公司的水沿着完整的SC占可帮助企业提高其可持续水管理人员沿着他们的价值链，本文旨在研究在化工行业的整个供应链的耗水量从多区域投入产出的角度。在这方面，六个亚洲国家包括印尼，台湾，中国，日本，韩国和印度正在选择根据他们的数据的可用性进行研究。在下文中，直接水消耗由本身和他们的供应商所使用的间接水使用输入 - 输出分析方法为每个国家测量。此外，为在选择的亚洲国家的结论绘制，在它们的供应链消耗的水的量与方差方法的相互使用单向分析比较。从投入产出分析的结果显示，间接耗水量在印尼，中国，印度和韩国的化学种姓是20.66，4.62，1.37和1.08大于它们直接用水倍，而间接耗水量为日本和台湾比他们直接值小于0.73和0.13倍。从单因素方差分析方法的最终结果表明，在选定的国家的化学品供应链的直接和间接量耗水量的不遵循同样的趋势在15年半。然而，印度和中国是排名前两位的国家直接和间接量耗水量方面，由于其较高的人口。这项研究提出了在化学工业和其他工业部门适当的水消耗管理方面的部门和决策者有价值的信息。在这个问题上，技术为基础或生产相关的动作是影响直接用水受益者，而基于消费或最终用途的行为更适合于间接影响用水量。

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