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Comparison of essential differences between drum drying and spray drying polyaluminum chloride

TIME:2023-07-21 17:32:56SOURCE:admin

There are two kinds of polyaluminium chloride in domestic market, one is drum drying type, the other is spray drying type. Roller drying polyaluminum chloride is refined from bauxite, calcium aluminate powder and hydrochloric acid, which is widely used in the treatment of drinking water, domestic sewage and industrial sewage. Compared with spray drying polyaluminum chloride, low content roller drying type water insoluble matter is relatively high and the price is low, which is mainly used for sewage treatment. The effect of drum type water purification through plate and frame filtration can be comparable to that of spray type, and is cheap and easy to maintain. It is the main product of drinking water treatment at present.

 

Spray tower drying is a more advanced technology of polyaluminium chloride production in China. Spray drying products are divided into two kinds, yellow and white. The white spray drying PAC is made from hydrochloric acid and aluminum hydroxide powder. The water insoluble matter is very low and the price is high. It is mainly used in higher standard industries such as paper sizing, medicine and precision casting. Yellow spray drying products and drum drying products have the same raw materials, so the effect of water treatment is the same, but the price is higher than that of plate and frame products.

 

Therefore, when customers choose polyaluminum chloride products, they should choose a reasonable form of polyaluminum chloride according to their own situation and water quality characteristics, so as to reduce cost budget, reduce investment and achieve good results.

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Comparison of essential differences between drum drying and spray drying polyaluminum chloride

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