CAJ | 학술논문

气浮絮凝是炼油污水处理工艺中重要的一步，它是确保炼油污水生化处理顺利运行的关键，而开发和筛选优良的絮凝剂则又是提高气浮处理效果的保证。采用无机—有机复合絮凝剂进行炼油污水的中试试验，通过一系列条件试验，确定了复合絮凝剂投药剂量、投药间隔时间和投药方式，取得了令人满意的试验效果，CODCr的去除率55%，石油类去除率＞75%，为后续的生化处理提供了合格的水质。
기부서응시련유오수처리공예중중요적일보，타시학보련유오수생화처리순리운행적관건，이개발화사선우량적서응제칙우시제고기부처리효과적보증。채용무궤—유궤복합서응제진행련유오수적중시시험，통과일계렬조건시험，학정료복합서응제투약제량、투약간격시간화투약방식，취득료령인만의적시험효과，CODCr적거제솔55%，석유류거제솔＞75%，위후속적생화처리제공료합격적수질。
Air-flotation flocculation treatment is an important step and isvital to ensure successful operation for treatment process of refinery sewage.Development and selection of good flocculants is important pledge to incr ease treatment effectiveness of air-flotation.Mixed flocculants composed of inorganic and organic flocculants are applied to pilot-plant test of refinery sewage.Feeding dosages,interval time and way of mixed flocculants were determined.The satisfactory results,such as CODCr reducing efficiency >55%,and Oil >75% ,are obtained.Air-flotation effluent quality is completely suited to biochemica l treatment.