钢铁行业属高耗水行业，高炉煤气洗涤废水是钢铁企业的主要工业废水之一，具有水量大、水温高、悬浮物含量高等特点。
The steel industry belongs to high water consuming industries . Blast furnace gas washing wastewater is one of the main industrial sewage of an iron and steel enterprise .
井场作业产生大量钻井废水，其悬浮物、油含量高，色度高，严重污染环境，不能直接排放。
Well site operations produce lots of wastewater, its suspended solids, high oil content, high chromaticity, seriously polluting the environment, and cannot discharged directly.
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