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循环经济背景下污水厂污泥中铝盐的分离与回收技术研究进展

樊瑜 华煜 杨东海 戴晓虎

樊瑜, 华煜, 杨东海, 戴晓虎. 循环经济背景下污水厂污泥中铝盐的分离与回收技术研究进展[J]. 环境工程, 2023, 41(9): 210-220. doi: 10.13205/j.hjgc.202309026
引用本文: 樊瑜, 华煜, 杨东海, 戴晓虎. 循环经济背景下污水厂污泥中铝盐的分离与回收技术研究进展[J]. 环境工程, 2023, 41(9): 210-220. doi: 10.13205/j.hjgc.202309026
FAN Yu, HUA Yu, YANG Donghai, DAI Xiaohu. RESEARCH PROGRESS ON SEPARATION AND RECOVERY OF ALUMINUM COAGULANTS FROM WASTEWATER SLUDGE IN THE CONTEXT OF CIRCULAR ECONOMY[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(9): 210-220. doi: 10.13205/j.hjgc.202309026
Citation: FAN Yu, HUA Yu, YANG Donghai, DAI Xiaohu. RESEARCH PROGRESS ON SEPARATION AND RECOVERY OF ALUMINUM COAGULANTS FROM WASTEWATER SLUDGE IN THE CONTEXT OF CIRCULAR ECONOMY[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(9): 210-220. doi: 10.13205/j.hjgc.202309026

循环经济背景下污水厂污泥中铝盐的分离与回收技术研究进展

doi: 10.13205/j.hjgc.202309026
基金项目: 

国家自然科学基金(52131002,52200172);上海市科学技术委员会项目(22DZ1209200,21YF1412200)

详细信息
    作者简介:

    樊瑜(1998-),女,硕士,主要研究方向为污泥预处理与组分分离的工艺与技术理论研究。gsfanyu@163.com

    通讯作者:

    华煜(1995-),男,博士后,主要研究方向为难水解有机固废资源化基础理论与技术应用研究。1351530@tongji.edu.cn

    戴晓虎(1962-),男,教授,主要研究方向为城镇有机固体废弃物处理处置的技术开发与应用。daixiaohu@tongji.edu.cn

RESEARCH PROGRESS ON SEPARATION AND RECOVERY OF ALUMINUM COAGULANTS FROM WASTEWATER SLUDGE IN THE CONTEXT OF CIRCULAR ECONOMY

  • 摘要: 污泥资源化是我国解决资源与环境问题、实现减污降碳的重要举措。污泥中铝盐组分的回收和循环利用是推动污水处理厂绿色发展的有效措施,也是同步提高污泥中磷、有机质等资源高效回收的重要途径。综述了铝系混凝剂在污水污泥中的物质流向和反应机制;基于污泥中铝盐的赋存形态分析,以铝盐释放-分离-回用的技术路线为核心,全面回顾了污泥中铝盐回收的相关技术与研究现状,探讨了其对磷回收的影响。重点分析了铝盐的多种分离技术,以克服污泥中磷、重金属在酸性条件下共溶的障碍,包括顺序沉淀、离子交换树脂、液液萃取、硫化物沉淀、Donnan膜以及电渗析工艺。提出了铝盐与磷的联合回收工艺,针对污泥中铝盐回收现状及问题,展望了铝盐回收效率进一步提高、全链条经济效益及铝盐混凝剂循环利用综合评估等热点研究方向,旨在推动构建资源化水平更高、更符合循环经济模式的污水及污泥处理系统。
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  • 收稿日期:  2023-07-23
  • 网络出版日期:  2023-11-15

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