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Double decoupling effectiveness of water consumption and wastewater discharge in China’s textile industry based on water footprint theory

机译:基于水足迹理论的中国纺织工业用水与废水排放的双重解耦效果

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摘要

As a traditional pillar industry in China, the textile industry has been intensifying the pressure of the water resource load and its reduction of water environment emissions over the years. Decoupling water resource consumption and wastewater discharge require decoupling from economic growth to realise the sustainable development of the textile industry. On the basis of water footprint and decoupling theories, this paper analysed the water consumption decoupling, wastewater discharge decoupling, as well as the double decoupling of water consumption and wastewater discharge of China’s textile industry and its three sub-industries (Manufacture of Textile, Manufacture of Textile Wearing and Apparel, Manufacture of Chemistry) from 2001 to 2015. In those years, the sum of the decoupling index in the double-decoupling years is 249, lower than that in high-decoupling years of water consumption (250) and wastewater discharge (325). Compared with the decoupling of water consumption and of wastewater discharge, the double decoupling is lower, which proves that the conditions for realizing double decoupling are stricter. The double decoupling analysis of water consumption and wastewater discharge, namely, the overall consideration of water resource consumption and water environment pollution, could be used to more effectively promote the realisation of water decoupling in the textile industry.
机译:多年来,作为中国传统的支柱产业,纺织业一直在加剧水资源压力和减少水环境排放的压力。水资源消耗和废水排放的脱钩需要经济增长脱钩,以实现纺织工业的可持续发展。本文基于水足迹和解耦理论,分析了中国纺织业及其三个子行业(纺织制造,制造)的水耗解耦,废水排放解耦以及水耗和废水排放的双重解耦。 (2001年至2015年)。在那几年,双解耦年的解耦指数总和为249,低于耗水量(250)和废水的高解耦年的指数。放电(325)。与耗水和废水排放的解耦相比,双重解耦更低,这证明了实现双重解耦的条件更为严格。水资源消耗和废水排放的双重解耦分析,即水资源消耗和水环境污染的综合考虑,可用于更有效地促进纺织工业中水资源解耦的实现。

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