化工进展 ›› 2016, Vol. 35 ›› Issue (02): 617-623.DOI: 10.16085/j.issn.1000-6613.2016.02.043

• 资源与环境化工 • 上一篇    下一篇

钼污染水体处理技术研究进展

钱冬旭1, 张亚雷1, 周雪飞1, 代朝猛2, 钱雅洁1, 苏益明2   

  1. 1 同济大学环境科学与工程学院污染控制与资源化国家重点实验室, 上海 200092;
    2 同济大学土木工程学院, 上海 200092
  • 收稿日期:2015-08-12 修回日期:2015-09-07 出版日期:2016-02-05 发布日期:2016-02-05
  • 通讯作者: 苏益明,博士后,从事重金属污染水体治理技术的研究。E-mail:su_yi_ming@126.com。
  • 作者简介:钱冬旭(1991-),硕士研究生,主要研究方向为新型材料处理工业废水。E-mail:qdx2000@126.com。
  • 基金资助:
    村镇饮用水净化处理工艺材料及设备开发项目(2012BAJ 25B02)。

Research progress of molybdenum polluted water treatment technology

QIAN Dongxu1, ZHANG Yalei1, ZHOU Xuefei1, DAI Chaomeng2, QIAN Yajie1, SU Yiming2   

  1. 1 State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;
    2 School of Civil Engineering, Tongji University, Shanghai 200092, China
  • Received:2015-08-12 Revised:2015-09-07 Online:2016-02-05 Published:2016-02-05

摘要: 钼是一种重要的稀有金属,但近年来钼污染频发,对生态环境安全和人体健康造成了严重的影响。本文综述了目前国内外对环境中钼污染的处理技术(包括人工湿地法、化学沉淀法、离子交换法及吸附法),详细介绍了各种技术的处理效果、影响因素及相关模型。人工湿地虽能将钼分离出水体,但含有钼的基质和功能植物存在污染转移等不可控风险;化学沉淀法对中低浓度污水的去除效果较好,但剩余污泥较难处理,不能被循环利用;离子交换法能有效将污钼分离出水体,并通过解吸实现树脂多次利用,但树脂适应性较差,对pH值等反应控制条件要求较高;传统材料为主的吸附法使用廉价材料富集污染物质,但存在二次污染的问题。最后指出钼污染处理的新型功能材料将向低成本和资源化的方向发展,铁基材料具有较好的前景。

关键词: 钼污染, 人工湿地法, 化学沉淀法, 离子交换法, 吸附法

Abstract: Molybdenum(Mo) is an important rare metal,but recently molybdenum pollution occurres frequently,which poses a great potential risk on eco-environmental safety and human health. This paper reviews different treatment techniques(including artificial wet-land,chemical precipitation,ion exchange and adsorption),influence factors,and related removal model for molybdenum removal from aqueous media. Artificial wet-land is able to immobilize Mo from water,but Mo-containing substance and functional plants exist as another pollutants. Chemical precipitation shows a higher removal efficiency to wastewater with medium/low level of Mo,but excessive sludge is difficult to handle. Ion exchange can separate molybdenum from pollutants effectively and achieve secondary use by desorption,but poor adaptability of resin requires strict pH controlled conditions. Conventional adsorption utilizes inexpensive material to concentrate pollutants,but the subsequent material can cause secondary pollution. Development of cost-effective and resource-reusable functional materials will be promising for Mo immobilization,and iron-based materials have bright prospect.

Key words: molybdenum pollution, wet-land treatment, chemical precipitation, ion exchange, adsorption

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