Flocculation method is a common method in oily wastewater treatment technology, has a great prospect in wastewater treatment. In this paper, the chemical flocculation, the combined flocculation, the magnetic flocculation, the electricity flocculation, the micro flocculation, and the microbial flocculation were described, and their characteristics, mechanisms, research and application situation were introduced. The forward application in oily wastewater treatment was discussed.%絮凝法作为水处理工艺中常见的方法,在废水处理方面具有广阔的发展前景,主要介绍了化学絮凝,联合絮凝,磁絮凝,电絮凝,微絮凝,微生物絮凝的特点,机理,研究和应用情况,并对其在含油废水处理的应用提出了展望。
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