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Research on integrated ceramic membrane technology for recycling of mined water in underground coal mine
Authors: TONG Yujia,LIU Guijuan,LI Jiayao,JI Hongjun,HU Zhiping,BAI Lijun,MA Ruijun,LI Weixing
Units: 1. College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China;2. NJTU Membrane Application Institute Co.,Ltd, Nanjing 211800, China;3.Shaanxi Coal and Chemical Industry Group Longhua Mining Co.,Ltd, Yulin 719314, China
KeyWords: mine water; water treatment; reclaimed water
ClassificationCode:TQ028; X703.1
year,volume(issue):pagination: 2024,44(4):96-104

Abstract:
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 7.2 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. 
 

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AuthorIntro:
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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