Research Progress in Application of Air Flotation Technology in Oilfield Produced Water Treatment
The application of polymers and other substances in oil recovery technology makes it difficult to treat oily sewage.In this paper,the types of air flotation were summarized,the principles,advantages and disadvantages of different air flotation technologies were compared,the reasons for the low efficiency of air flotation treatment of chemical flooding produced water were analyzed,the application of air flotation coupled with other technologies in the treatment of produced water in recent years was introduced,and the development direction of air flotation technology was prospected.
Oilfield produced waterOil water separationAir flotationTechnology coupling
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