Applicants holding driving licence/learnerâs licence/conductorâs licence desire for noting change of address shall make an application on plain paper along with documents and any one of the following proof of address :
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.
Reference from A.D.A.M. Lye poisoning; Caustic soda poisoning. Sodium hydroxide. Sodium hydroxide is found in many industrial solvents and cleaners, including flooring stripping products, brick cleaners, cements, and many others. It may also be found in certain household products, including: