Polyaluminium chloride yog ib qho inorganic macromolecule coagulant. Nws yog ib qho inorganic macromolecule dej kho tus neeg saib xyuas nrog qhov hnyav dua molecular thiab ntau dua tus nqi tsim tawm vim qhov cuam tshuam ntawm hydroxide ions thiab polymerization ntawm polyvalent anions.
