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追踪废水资源:利用来源,目的地和质量分析,揭开废物的循环

D Renfrew¹, V Vasilaki¹, E Nika¹

¹Department of Civil & Environmental Engineering, Institute of Environment, Health and Societies, Brunel University London, Uxbridge Campus, Middlesex, Uxbridge UB8 3PH, UK.

|December 20, 2023

概括

一种新的可追溯性方法评估了废水循环,揭示了工业和农业实践如何影响资源回收. 这种方法支持基于证据的循环经济政策在水资源管理.

科学领域:

环境科学环境科学
水资源管理水资源管理
循环经济是一个循环经济.

背景情况:

目前的循环性评估方法仅限于技术废水系统,导致矛盾的结果.
现有的废物流和废水排放循环的定义对于决策几乎没有价值.
需要一种新的分类方法来准确测量资源流的循环性.

研究的目的:

开发和应用基于可追溯性的分类系统,用于测量废水资源流中的流入和流出循环.
评估上游实践 (农业,工业,人类) 对下游废水处理和自然资源循环的影响.
将重点从促进循环转移到阻止线性用水模式.

主要方法:

开发了基于可追溯性原则的分类方法,以评估流入和流出的循环性.
将这种方法应用于一座拥有12,000 m3/d负载的废水处理厂.
量化了特定工业 (化石碳) 和人类/农业 (洗剂,肥料) 实践对循环度指标的影响.

主要成果:

增加化石碳的工业行动 (1000 mgC/l的排水量为400 m3/d) 分别减少了16%和10.6%的流入和流出循环.
减少洗剂和合成肥料的使用 (50%) 提高了流入循环度5.2%,流出循环度20.1%.
证明了上游实践对废水处理效率和资源循环的重大影响.

结论:

开发的可追溯性方法为废水管理中基于证据的决策提供了宝贵的见解.
通过这种方法将责任分配给用水者,可以促进强有力的循环经济政策.
将重点转向阻止线性行动对于克服线性用水带来的经济和环境负担至关重要.

关键词:

评估指标评估指标循环经济是一个循环经济.循环性评估是指循环性的评估.材料流量分析材料流量分析资源可追溯性资源可追溯性

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