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What is the effect of polyaluminum chloride as a flocculant in sand washing field?

TIME:2023-07-21 17:33:18SOURCE:admin

What flocculant is good for sand washing? As a common water purification agent in China, polyaluminum chloride is widely used in sand washing field. With the increasing price of sand and stone, the reduction of natural sand and stone and the protection of the environment, washed sand gradually occupies an important position in the building materials industry.

 

What should be paid attention to in sand washing? First of all, the mixture of water and sand needs to be dehydrated by chemicals, and then the dehydrated sand is separated. A large amount of waste water will be produced in sand washing, and some waste water will cause great damage to the environment without treatment. Therefore, in this process, it is necessary not to pollute the environment. Considering these factors, what flocculant is good for sand washing?

 

Polyaluminum chloride has a very good sediment dewatering effect. By adding polyaluminum chloride solution into the sediment, and then passing through the corresponding pressure filtration equipment, 90% of the sediment dewatering effect can be achieved. The dehydrated sand and stone can be collected and used as building materials after being separated by pressure filtration equipment, and this kind of sand and stone has very good solidification effect in construction because it contains a small amount of polyaluminum chloride.

 

The residual waste water from sand washing can be treated by polyaluminum chloride to make the harmful substances and sediment in the waste water precipitate again. After these precipitates are treated again, the sediment can be dehydrated by polyaluminum chloride to achieve the effect of secondary utilization.

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What is the effect of polyaluminum chloride as a flocculant in sand washing field?

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