| 摘要 |
PURPOSE: A coagulant composition and a manufacturing method thereof are provided to efficiently be used in water treatment for four seasons, and to improve cohesion efficiency under different pH, and turbidity conditions etc. CONSTITUTION: A manufacturing method of a coagulant composition comprises the following steps: reacting and mixing aluminum hydroxide 80 ~ 120 parts by weight and hydrochloric acid 150 ~ 250 parts by weight; additionally reacting a mixture with sulfuric acid 2 ~ 3 parts by weight; additionally reacting the mixture with a calcium carbonate aqueous solution 75 ~ 85 parts by weight; and reacting the mixture with epichlorohydrindimethylamine polyamine solution 16 ~ 27 parts by weigh and an aqueous solution of sodium carbonate 140 ~ 180 parts by weight. |
