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What is the different meaning of the color of polyaluminum ferric chloride

Source:www.lvyuanchem.com Time:2021-07-02 10:31

Polyaluminium ferric chloride is a kind of inorganic polymer coagulant which is provided with specific processing by iron salt and aluminum salt. Polyaluminium ferric chloride is generally brown or reddish brown powder, which is easily soluble in water.

 

The color difference of polyaluminum ferric chloride is usually related to its quality. Polyaluminum ferric chloride is made of calcium aluminate powder, hydrochloric acid, bauxite and iron powder by roller drying process. Because iron powder is added in it, the color is reddish brown. The higher the content of iron in polyaluminum ferric chloride, the darker the color will be. Generally, the color of polyaluminum chloride is yellow. It can also be understood that the higher the iron content in polyaluminum chloride, the color of polyaluminum chloride will be obviously brown. When the iron content reaches a certain amount, it becomes polyaluminum chloride iron. This is also the color of polyaluminum ferric chloride is darker than that of polyaluminum chloride, so polyaluminum ferric chloride not only has the effect of polyaluminum chloride, but also has the effect of iron salt.

 

Therefore, polyaluminum chloride has excellent effect in wastewater treatment, but it is not that the higher the iron content is, the more important the effect is.