石油化工废水指的是由石油化工厂排放的废水。其废水的水量大,除生产废水外,还有冷却水及其他用水;废水的组分复杂,因石油化工产品繁多,反应过程和单元操作复杂,废水性质复杂多变;废水中有机物特别是烃类及其衍生物含量高,并含有多种重金属。石油化工废水来源众多,组分各异,与生产流程密切相关,因此废水的水质水量很难确定。
石油化工废水组成复杂、 浓度高、 毒性强和难降解,对环境危害大。
Untreated petrochemical wastewaters are harmful to the environment since they typically contain many toxic and persistent organic pollutants in high concentrations.
通过对贮存石油化工废水的湖泊进行研究,考察了其附近的地表水、浅层地下水以及深层地下水的水体污染情况。
Through the study of the lake storing petrochemical wastewater, the pollution status of the surface water, the shallow groundwater and the deep groundwater nearby were investigated.
以涤纶废丝作填料,采用生物接触氧化法直接处理石油化工有机废水。
Biological contact oxidation method has been directly used to treat petrochemical organic wastewater with waste terylene silk as filling.
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