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水是人类生产和生活不可缺少的自然资源,是人类和一切地球生物赖以生存的资源。钢铁企业不但是污水排放的大户,而且排放的污水中含有大量有害物质。因此,治理钢铁企业的污水处理,对于解决水体污染具有重要的实际意义。本文综述了当下钢铁企业污水排放的现状及污水处理方法。作为水资源消耗的重头企业,钢铁业对污水的处理正投入大量人力物力进行设备及工艺改造,然而与世界先进水平仍有较大差距。节水改造需要我们不断的开发新的技术和新的装备,去提高水资源的重复再利用,不断降低生产吨钢新水耗量,实现污水的“零排放”。
Water is an indispensable natural resource for human production and life and a resource for human beings and all living beings on Earth. Not only is the iron and steel industry a big emitter of sewage water, but the discharged sewage contains a lot of harmful substances. Therefore, the treatment of sewage treatment of iron and steel enterprises, for solving water pollution has important practical significance. This article summarizes the status quo and sewage treatment methods of the current iron and steel enterprises wastewater discharge. As an important enterprise that consumes water resources, the iron and steel industry is putting a lot of manpower and resources into the treatment of sewage water for equipment and technological transformation. However, there is still a long way to go before the world advanced level. Water-saving transformation requires that we continue to develop new technologies and new equipment to improve the reuse of water resources, and constantly reduce the production of new water consumption per ton of steel to achieve “zero discharge” of sewage.