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用“老三套”浮选后的含油污水与生产并列进行了一年中试表明：生物膜氧化为工艺对处理炼油污水是可行、有效的；在无回流，容积负荷为０．０３６～０．０５６ｔｇＮＨ３－Ｎ／ｍ３ｄ条件下，具有良好脱氮效果，出水可达国家一级排放标准。
A year of pilot tests carried out with the “old three sets” of flotation of oily wastewater and production side-by-side showed that: the biofilm oxidation process is feasible and effective for the treatment of oil refining wastewater; without reflux, the volumetric load is 0.036-0 .056tgNH3-N / m3d conditions, has a good effect of denitrification, effluent up to the national emission standards.