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Wuxi Wanchuan Environmental Equ-Ipment Technology Co.,Ltd

Flotation Method

In the water supply and drainage treatment process, the solid-liquid separation technology and equipment is one of the key projects. For the removal of tiny suspended particles in liquid, the most commonly used methods are settlement separation, sieve membrane separation, floating separation and other technologies and equipment.

The settlement separation, sieve membrane separation, floating separation adopt different process flow under different working conditions, and each method has its own characteristics and shortcomings. They are not mutually exclusive and irreplaceable. The flotation method is mainly used in the waste water whose density is close to the density of the water and the settling property of the suspended substance is poor. 

Because the flotation method has the characteristics of simple structure, convenient operation, strong continuous operation, low cost, good effect and so on, it has been widely used in water treatment and deep purification treatment of water quality. The form of flotation is also various. There are pressure flotation, vacuum flotation, electrolytic flotation, biological flotation and so on. 

The application of  pressure flotation is the most common, such as in the oil refining, chemical industry, paper making, leather, textile process, printing and dyeing, iron and steel, rubber, food, pharmaceutical and other industrial, the waste water treatment and domestic sewage treatment, especially the removal of emulsified oil from refinery waste water in the petroleum industry, this method is mostly used.


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