Due to the high oil content,iron ion content and suspended solids content of the Sulige gas field,its pipelines were severely corroded and scaled in this environment.The water quality components and compositions of mixed water samples from multiple blocks in the gas field were analyzed,as well as the main problems in the conventional sewage treatment process were studied.The chemical oxidation flocculation sedimentation method was performed for optimizing the wastewater treatment process and conducting laboratory reagent compatibility experiments.The formula of the produced water treatment agent for practical production application was determined.It demonstrates that the improved treatment process can ensure that the various indicators of the gas field wastewater reach the reinjection standards by dynamically adjusting the dosage plan.
关键词
气田采出水/氧化剂/絮凝剂/污水处理
Key words
gas field produced water/oxidizing agent/flocculant/sewage treatment