High Purity Polyaluminium ChloridePAC -water
First Step: Synthetic hydrochloric acid+Aluminium hydroxide+Calcium aluminate powder put into reaction kettle, get PAC liquid within a lot of heavy metal. Second Step: PAC liquid filter a lot of heavy metal through Filter Press, get good PAC liquid. Third Step: Good PAC liquid be dried by spray drying tower get PAC powder.
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