Recent research and application development of gas flotation aids for the treatment of oil-bearing wastewater
Received date: 2000-11-16
Online published: 2010-10-01
The recent research and application development of gas flotation aids for the treatment of oil-bearing wastewater from oilfield and refinery are reviewed. The demulsification mechanism,categories and performance of gas flotation aids are discussed in detail. Compared with inorganic flotation aids,organic flotation aids exhibit some advantages of high efficiency and little froth.Further attention should be paid to the research,development and application of organic flotation aids. The problem of large-scale production of monomer for cationic copolymer needs to be resolved. In the future,the flotation aids should be multifunctioned,high efficient and have broad spectrum.
Key words: oil-bearing wastewater; oil/water separation; gas flotation aids
JIANG Heng, GONG Hong, WU Ping . Recent research and application development of gas flotation aids for the treatment of oil-bearing wastewater[J]. Industrial Water Treatment, 2001 , 21(5) : 5 -8 . DOI: 10.11894/1005-829x.2001.22.(5).5
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