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            steel industry
            Release date: 2018/6/12 9:58:21  Clickthrough rate: 2214
            The iron and steel industry is a large water user and a major wastewater discharge. Industrial wastewater includes wastewater generated by steel enterprises in various production processes, sewage discharged from circulating cooling water system and desalinated water, and concentrated brine produced when soft water and pure water are prepared.
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