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alkali refining. in fat and oil processing: Alkali refining. Many of these can be removed by treating fats at 40Â° to 85Â° C (104Â° to 185Â° F) with an aqueous solution of caustic soda ( sodium hydroxide) or soda ash (sodium carbonate). The refining may be done in a tank (in which case it is called batch or tank refining) or in a continuous system.
IDENTIFICATION OF THE MATERIAL AND SUPPLIER. Product Name: CAUSTIC SODA - LIQUID (46%-50%) Other name(s): Sodium hydroxide - liquid (46%-50%), Soda lye solution (46%-50%), Caustic soda solution. (46%-50%), Sodium hydroxide solution (46%-50%), Liquid caustic soda (46%-50%), LCS. 46%, Rezolv 46, Algane C46, Rezolv 50.