Tag: primary treatment

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Commonly used chemicals for sewage treatment —Polyaluminium chloride (PAC)

1. The coagulant in sewage treatment mainly refers to polyaluminium chloride (PAC): it is a high-efficiency inorganic polymer coagulant, which is produced by the bridging effect of hydroxide ions and the polymerization of multivalent anions. Compared with traditional coagulants, PAC has the remarkable characteristics of fast floc formation, fast sedimentation

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What is the circulating water process?

The circulating water process is a water treatment technology that effectively utilizes water resources, reduces costs and environmental emissions. It uses a circulating water system to recycle water to achieve the purpose of reducing water consumption and sewage discharge. The circulating water process is an efficient, energy-saving and environmentally friendly