This paper introduces the reasons of deposit block up of the water yielding side of hyper-filtration membrane in water curing process.

In this paper, it use Daqing Petrochemical Company wastewater reusing devices astarget devices demostrating the principle of double membrane sewage treatment process in the refining of the film production water and sewage blocking the low rate of the problem, it ? the field of energy saving , the water balance and the comprehensive utilization of researc

This paper analyzes the displacement effect of the polymer with different performance under the condition of sewage and proposes the view of improving the performance of polymer product to solve the problem of making polymer with oil field produced sewage.