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井下煤矿采出水回用陶瓷膜集成工艺研究

作者：童裕佳，刘桂娟，李佳尧，季红军，呼志平，白利军，麻瑞军，李卫星

单位： 1.南京工业大学化工学院，南京 211816；2.南京工大膜应用技术研究所有限公司，南京 211800；3.陕西煤业化工集团孙家岔龙华矿业有限公司，榆林 719314

关键词：矿井水；水处理；中水回用

DOI号：

分类号： TQ028; X703.1

出版年,卷(期):页码： 2024,44(4):96-104

摘要：

水资源是矿区经营发展不可或缺的重要组成部分，高效处理矿井水可以在一定程度上缓解矿区缺水等问题。本项目首次提出了井下百米陶瓷膜处理煤矿矿井水工艺，其装置设计结构紧凑，占地面积为传统工艺的1/10。对比了“混凝沉淀+砂滤+有机超滤+反渗透”工艺及“陶瓷膜+反渗透”工艺。结果显示：“陶瓷膜+反渗透”集成工艺处理矿井水的出水化学需氧量（CODCr）质量浓度为7.2 mg/L，NH3-N质量浓度为0.12 mg/L，对固体悬浮物（SS）和浊度具有100%的去除效果，陶瓷膜集成工艺在矿井水处理领域展现出了广阔的应用前景。

Water resource is an indispensable part of mine management and development. Efficient treatment of mine water can alleviate the problems of mine water shortage to a certain extent. This project proposes the process of underground ceramic membrane treatment of coal mine water for the first time, and its device design is compact and occupies 1/10 of the traditional process. The process of "coagulation sedimentation + sand filtration + ultrafiltration + reverse osmosis" and the process of "ceramic membrane filtration + reverse osmosis" were compared. The results show that the chemical oxygen demand (CODCr) concentration and NH3-N concentration are 7.2mg /L and 0.12mg /L respectively in the treatment of mine water by the integrated process of "ceramic membrane + reverse osmosis", which has a 100% removal effect on suspended solids (SS) and turbidity. Ceramic membrane direct filtration technology has shown a broad application prospect in the field of mine water treatment.

基金项目：

作者简介：

童裕佳（1994-）江苏苏州人，博士研究生，从事水处理膜材料开发及工艺应用

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