Present situation and prospect of the oil removal technology of oil-bearing turbid circulating water
Received date: 2005-02-07
Online published: 2010-10-01
The oil-bearing circulating water treatment in iron and steel works is expounded. The oil in water content fluctuates between 5 mg/L to 100 mg/L, and the total suspended matter TSS fluctuates between 50 mg/L to 700 mg/L. Aiming at difficult problem, oil removal and according to the formation of the oil-bearing turbid circulating water, the quality characteristic of the water and the analysis of the main ingredient of the oil, a variety of physical and chemical techniques of oil-removal in China and abroad are introduced, as well as its latest developments. On the basis of comparing their oil-removal principles, advantages and disadvantages, a suggestion of its main developing trend is put forward. It helps to improve the reuse rate of turbid circulating water and extend the source of make-up water for the circulating water.
Key words： turbid circulating water; flocculant; oil removal
Hu Hao, Yan Lianhe, Wang Ying, Zhou Shenfan . Present situation and prospect of the oil removal technology of oil-bearing turbid circulating water[J]. Industrial Water Treatment, 2005 , 25(7) : 5 -9 . DOI: 10.11894/1005-829x.2005.25(7).5
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