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首页> 外文期刊>Journal of Cleaner Production >A critical review of the current water conservation practices in textile wet processing
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A critical review of the current water conservation practices in textile wet processing

机译：对当前纺织品湿法中节水实践的严格审查

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摘要

Textile wet processing industry accounts for a huge proportion in the consumption and pollution of fresh water. Increasing consumer awareness on the environmental issues, tightening environmental legislations on the effluents generated by textile industry and water scarcity in different areas of the world have compelled textile industry to review, restructure and reduce its water consumption and the associated effluent hazards. In this paper, a critical review of the latest water conservation practices in the textile wet processing industry is presented. Water conservation efforts in different segments of the textile industry have been classified into five major categories. These include waste water treatment and reuse, machine innovations, process innovations, chemical innovations, advanced water analysis and water saving tools. Waterless dyeing using supercritical carbon dioxide (SC-CO2) and the use of low liquor ratio machines in textile wet processing are two very promising approaches for water conservation. But waterless dyeing needs further working to dye natural fibers in a reliable way. The huge capital investment required for SC-CO2 dyeing machines and conversion of conventional dye houses into low liquor ratio dye houses is also a major hindrance in the way of the wider acceptance of these techniques in the industry. (C) 2018 Elsevier Ltd. All rights reserved.
机译：纺织湿法加工业在淡水的消耗和污染中占很大的比例。消费者对环境问题的认识不断提高，有关世界各地纺织工业产生的废水和水资源短缺的环境法规越来越严格，这迫使纺织工业进行审查，重组并减少其用水量和相关的污水危害。本文对纺织湿法加工行业的最新节水实践进行了严格的评述。纺织工业不同领域的节水工作被分为五个主要类别。其中包括废水处理和回用，机器创新，工艺创新，化学创新，高级水分析和节水工具。使用超临界二氧化碳（SC-CO2）进行无水染色以及在纺织湿法中使用低液比机器是两种非常有希望的节水方法。但是无水染色需要以可靠的方式对天然纤维进行染色。 SC-CO2染色机所需的巨额资本投资以及将常规染厂转换为低液比染厂的过程，也成为阻碍这些技术在业界得到广泛接受的主要障碍。 （C）2018 Elsevier Ltd.保留所有权利。

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