Polyaluminum chloride, referred to as: PAC. It is an inorganic polymer coagulant. The solid is divided into tan, beige, golden yellow and white according to different colors. Polyaluminum chlorides of different colors are also quite different in application and production technology.

Dissolution method of polyaluminum chloride:

1. Dissolution ratio. The dissolving ratio of polyaluminum chloride is 5%, that is, 50g polyaluminum chloride is added to 1 kg of water for dissolution. (The water for dissolving the medicine is tap water or purified water)

2. Dissolution time. The stirring and dissolving time of the medicament is 5-10min, and the standing dissolving time is 0.8-1h.

3. Dosing of drugs. The dosage of this agent is added according to a certain percentage, and the specific amount is determined according to the concentration of sewage and the treatment standard.