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为解决稠油污水问题 ,利用辽河油区欢四联的稠油污水进行了现场处理试验。试验结果表明 :稠油污水经过斜板隔油池和溶气气浮池预处理后 ,出水油含量和悬浮物均可达到回注和进热采锅炉的要求 ;再经生物处理后 ,COD可达到国家排放标准。
In order to solve the problem of heavy oil wastewater, a field treatment test was carried out using the heavy oil wastewater from Huan-Lian oil field in Liaohe Oilfield. The test results show that the heavy oil effluent can be re-injected and fed into the boiler after the pretreatment of the slopping grease trap and dissolved gas flotation tank. After the biological treatment, the COD can reach National emission standards.