Beginning to use new coagulants and flocculants for the treatment of drinking water is a necessity. to diminish the remains of metals in drinking water and in the residual sludges of the purification process; Aluminum sulfate. iron chloride and aluminum polychloride are currently used for the coagulation and flocculation processes of the water. of these compounds the aluminum polychlo... https://macorners.shop/product-category/sequin-pillow/