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世界银行(WBG):2025规模化水回用:市政与工业应用临界点研究报告(中译版)(144页).pdf

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1、Scaling Water Reuse:A Tipping Point for Municipal and Industrial UseRochi Khemka and Rolfe EberhardPublic Disclosure AuthorizedPublic Disclosure AuthorizedPublic Disclosure AuthorizedPublic Disclosure Authorized 2025 International Bank for Reconstruction and Development/The World Bank 1818 H Street

2、NW Washington DC 20433 Telephone:202-473-1000 Internet:www.worldbank.org This work is a product of the staff of The World Bank with external contributions.The findings,interpretations,and conclusions expressed in this work do not necessarily reflect the views of The World Bank,its Board of Executive

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根据报告的内容,本文主要讨论了水再利用的重要性、经济性、以及扩大再利用投资的途径。关键点如下: 1. **水再利用的重要性**:全球水资源面临日益严重的压力,水再利用可以提供可靠的水源,减少对淡水资源的压力,提高资源效率,并有助于减少污染。 2. **水再利用的经济性**:在收集基础设施完善且处理设施靠近再利用点的情况下,水再利用具有经济优势。2024年全球再利用能力为1.83亿立方米/天,仅占市政淡水提取量的12%。 3. **扩大再利用投资的途径**:需要转变对清洁水的认识,优先考虑高价值应用,使新水创造和使用正常化,推进程序化、平台化方法,并调动私营部门的创新和融资。这需要政府和私营部门之间的合作。 4. **水再利用的潜力**:预计到2040年,水再利用能力可增加8倍,达到4.3亿立方米/天,占市政淡水提取量的25%,需要投资1700-3400亿美元。 5. **世界银行集团的作用**:世行集团可以通过政策参与、技术援助和金融工具支持这些努力,为可持续水使用创造条件。
如何利用再生水创造价值? 再生水利用的转折点是什么? 如何扩大再生水利用规模?
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