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 .
含油废水水量大、水质复杂，难生物降解，进入环境对植物、土壤、水体等形成很严重的污染，被公认为难处理的工业废水。
Oily wastewater with great capacity and complex component was hard to be treated, which would seriously polluted plants, soil, and water when it was discharged into environment.
含油废水水量大、水质复杂，难生物降解，进入环境对植物、土壤、水体等形成很严重的污染，被公认为难处理的工业废水。
Oily wastewater with great capacity and complex component was hard to be treated, which would seriously polluted plants, soil, and water when it was discharged into environment.
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