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水资源污染以及短缺问题是当今世界上最有影响力的环境资源问题之一。导致水污染的重要原因是石油化学废水。石化废水深度可以减少企业污染，为生产，提供新的水源，值得我们的研究和促销。在此基础上，在 MBR 工艺中采用“除油 - 涡凹气浮 - 溶气气浮 -A/O 生化 MBR 膜处理”的过程途径。选择相应的设施设备，形成 300t/ 时间污水深度处理系统，石化污水处理达到循环水域重用标准。“,”water pollution and shortage is one of the most influential environmental and resource problems in the world. Petrochemical wastewater is an important cause of water pollution. The depth of petrochemical wastewater can reduce the pollution of enterprises and provide new water for production, which is worthy of our research and promotion. On this basis, the MBR process of “oil removal - cavitation air flotation - dissolved air flotation - A / O Biochemical MBR membrane treatment” was adopted. The corresponding facilities and equipment are selected to form a 300 t / time advanced wastewater treatment system, and the petrochemical wastewater treatment reaches the reuse standard of circulating water area.