Abstract:This paper mainly study the mechanism of removing COD of oilfield wastewater by oxidation, coagulation and oxidation-coagulation. The results show that with the increase of oxidant 1# dosage, the total content of the organic matter in wastewater reduces with removal rate of organic matter significantly correlated with the organic molecular structure. The highest removal rate of COD is 53.38% by single oxidation, and the oxidation can remove the pentacyclic organic matter (100%), the bicyclic organic matter (90… Show more
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