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(COD_(Cr))concentration and NH_3-N concentration are 7.2 mg/L and 0.12 mg/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.
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
TONG Yujia;LIU Guijuan;LI Jiayao;JI Hongjun;HU Zhiping;BAI Lijun;MARuijun;LI Weiaing(College of Chemical Engineering,Nanjing Tech University,Nanjing 211816,China;NJTU Membrane Application Institute Co.,Ltd,Nanjing 211816,China;Shaanxi Coal and Chemical Indusety Group Longhua Mining Co.,Ltd,Yulin 719314,China)
出处
《膜科学与技术》
CAS
CSCD
北大核心
2024年第4期96-104,共9页
Membrane Science and Technology
关键词
矿井水
水处理
中水回用
mine water
water treatment
reclaimed water
