The performance of polyaluminum chloride - PAC in actual use
Polyaluminum chloride has better adsorption and coagulation effects in actual use. Favored by the majority of users, polyaluminum chloride has the advantages of good purification effect and low cost compared with the older generation of water purification materials, and has become the leader in the water purification industry.
Polyaluminum chloride is divided into 3 stages in the process of sewage reaction: coagulation, flocculation, and precipitation. The coagulation stage is to make the medicament and sewage violently collide, so as to better allow the medicament to contact the sewage.
The flocculation stage is the reaction between the chemical and the organic and inorganic substances in the sewage. It is the process of the alum bloom becoming larger and denser. At this time, the residence time is required to be about 15 minutes, and then observe the change process of the alum bloom.
The sedimentation stage is the process of sedimentation of the sewage in the sedimentation tank or sewage storage tank. At this time, the formed alum will quickly sink to achieve the effect of water slag separation.
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