Research progress of oilfield produced water treatment technology
In oilfield production,the direct discharge of produced water will have an impact on the environment,and it usually needs to be further treated before discharge or reuse.However,oilfield produced water contains high oil content and high concentration of organic matter and suspended matter,so it is difficult to treat.Water quality characteristics,treatment technology and treatment equipment will have a direct impact on the treatment effect,so it is necessary to further study the above issues.In this paper,the quality characteristics of oilfield produced water,new membrane separation technology and air flotation process are summarized,the research status of various treatment technologies are analyzed,and the future development trend is prospected.
oilfield produced waterwater quality characteristicsmembrane separation technologyair flotation process
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