In the sewage treatment of the stone factory, the water purification agent used is mainly polyaluminum chloride, and anionic polyacrylamide is rarely used. This is mainly because the amount of waste water in the stone factory is very small, and the sedimentation rate of polyaluminum chloride can fully meet the waste water treatment requirements of the stone factory.
It is recommended to use industrial grade polyaluminum chloride and anionic polyacrylamide (medium and low molecular weight) for dosing treatment of waste water from the stone factory!
In the process of stone mining, cutting, grinding and processing, clean water is needed. On the one hand, it can cool the cutting equipment, and on the other hand, it can reduce dust pollution. After use, the original clean water becomes turbid, and the pollutants in the water are mainly stone powder. Because the particles of stone powder are very low and the concentration of water quality is very high, the natural sedimentation rate of waste water is very slow.
The green water cleaning brand polyaluminum chloride is used as the coagulant. After being added to the wastewater, the impurities in the wastewater can be quickly flocculated and adhered together, and then quickly precipitated to the bottom of the tank. In just a few minutes, the original turbid water quality can become clear and transparent, and the water quality after treatment can be recycled without causing adverse effects on stone cutting and processing.
Sometimes, if polyaluminum chloride is added, its precipitation effect is not obvious, a small amount of anionic polyacrylamide solution can be added to accelerate its precipitation speed.
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