ポリ塩化アルミニウム, 粉末

ポリ塩化アルミニウム, 粉末 化学特性,用途語,生産方法

• 用途

  上水道用、排水処理用、皮革鞣剤

• 化学的特性

  Polyaluminum chloride (PAC) is white, light gray, light yellow or brown crystals or powders. The color varies with the production process and raw materials. It is slightly acidic. After dilution with water, aluminum hydroxide precipitates. In the hydrolysis process, physical and chemical processes such as electrochemistry, coagulation, adsorption and precipitation are accompanied, so as to achieve the purpose of water purification.

• 使用

  Polyaluminum chloride has the advantages of high adsorption activity, wide range of pH value, no need for coagulation aids and no influence of water temperature, etc. It is widely used in water purification treatment of domestic water, industrial water, etc.

• 製造方法

  In the mixed solution of aluminum sulfate and aluminum trichloride, lime and limestone are added to make sulfate ions and calcium form insoluble calcium sulfate precipitation, which is separated from the mixed solution to increase the aluminum-chloride equivalent ratio, thereby obtaining a certain aggregate polyaluminum chloride.

ポリ塩化アルミニウム, 粉末 生産企業

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