水是人类赖以生存和发展的不可缺少的最重要的物质资源之一。石油和化工行业废水水量大,成分复杂,是目前污染较严重的工业废水之一。其通常具有较高的有机物浓度和氨氮浓度,并且往往含有大量芳香族类难降解有机物和有毒有害物质,如硫化物、挥发酚等,给生态环境造成较严重的负面影响和带来很大的风险,成为全社会“谈化色变”的主要原因之一。 Water is one of the most important and indispensable material resources on which human beings depend for survival and development. The oil and chemical industry wastewater volume is large, complex composition, is one of the more polluting industrial wastewater. It usually has a high concentration of organic matter and ammonia nitrogen, and often contains a large number of aromatic and refractory organic matter and toxic and hazardous substances such as sulfide, volatile phenol, etc., to the ecological environment caused by a more serious negative impact and bring great Risk, become the whole society “talkative” one of the main reasons.