Large amounts of Mine water in China which has been a waste and keeps polluting the environment can actually be reused in production ,daily life and ecology .Mine water discharge inGuqiao coal mine which is3500m3 /dis characterized by the high concentration of TDS and chloride .The water quality after the existingtreatment is still not up to the drinking‐water standards .So it is necessary to add an advanced treatment which is designed asthe process of laminated filters – ultrafiltration ‐reverse osmosis . The design processes and results are presented in the paper .It shows the quality of treated water can meet the drinking‐water standards by the simulation of ROSA .This paper also presents the budget of the project investmentand benefit of the project implementation .% 矿井水的大量排放，不仅污染了矿区环境，而且对水资源相对缺乏的中国来说也是一种资源浪费。这部分废水经处理后，可作为生产、生活和生态用水。顾桥矿矿井水外排量维持在3500m3/d 左右，其水质呈现高悬浮物、高矿化度的特点。目前该矿已建有矿井水一级净化处理站，但处理后的水质不能达到饮用水要求，所以需要对部分处理后的矿井水进行深度处理。本设计的深度处理工艺流程为叠片过滤—超滤—反渗透，文中给出各环节设计过程和结果。经 ROSA 软件模拟后显示处理后的水质其各项指标均达到饮用水标准。此外，本文还对设计的工程投资作出了预算，并分析了该工程运行后的效益。
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