According to the production process, poly aluminum chloride can be divided into three types, roller, plate and frame filter, spray drying. Relatively low cost is the drum of poly aluminium chloride, aluminum content is general, water insoluble matter is high, mostly used in sewage treatment.
The flocculation effect and flocculation rate of polyaluminum chloride under different conditions will be completely different. Huachang aluminum co., LTD. Is a large aluminum factory company, which is very satisfied in the process of using the poly aluminium chloride provided by us. Through the method provided by the company, it has solved the problem of wastewater treatment, achieved the effect that the customer wants, and become a constant partner.
So, how do we improve and how do we improve the use of PAC?
1. The direct filtration process as a simplified treatment process is more economical and effective than traditional treatment.
2. It is necessary to add coagulant poly aluminium chloride to improve the surface properties of colloid before filtration in order to achieve good results in direct filtration, and the dosage of coagulant can be reduced by 40%-50% compared with the traditional process.
3. When poly aluminium chloride is used as a coagulant, the following factors influence the turbidity of effluent in turn: dosage of coagulant, filtration rate, dosage of coagulant aid and turbidity of influent. The effects of coagulant dosage, coagulant assistant dosage, influent turbidity and filtration rate on the total head loss index were in turn.
The flocculation effect of polymeric aluminum chloride also requires you to have a good process design when choosing good quality products, so that the sewage treatment can achieve twice the result with half the effort.
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