Poly aluminum chloride (pac) is actually a water-soluble inorganic polymer used for a coagulant in water purification. this compound is desired occasionally on account of its higher demand, that makes it simpler at destabilizing and eradicating suspended components than other aluminium salts. two. software pac can be applied in a https://rafaelnethv.ageeksblog.com/31697817/top-guidelines-of-pac-chemicals-south-africa