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Exploratory Development of Surfactant in Filtering Sodium Bicarbonate

Xu Gao yang (Dept. of Chemical Engineering, Huaihai Institute of Technology, Lianyungang 222005, China) Li Quan (Donggang College, Huaihai Institute of Technology, Lianyungang 222005,China)  
After adding additives NPE 10 to the washing water, the moisture content and sodium chloride in sodium bicarbonate filter cakes are effectively decreased. The reduction of moisture content in the filter cakes is 3 percent when the range of additives is 0.3 ̄0.4 kg/m 3 based on soda ash. The reduction of washing water equivalent is about 0.2 m 3/t on the premise of ensuring the required content of sodium chloride in the filter cakes.
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