What is the use of common salt in soap industry?
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145
Common salt is mainly added to the neat soap after the saponification reaction when the soap is washed with NaCl or brine solution in order to separate glycerin.
It is mainly added for precipitation to separate it from the aqueous solution. Salt is also used in order to separate glycerol from the water.
It is mainly added for precipitation to separate it from the aqueous solution. Salt is also used in order to separate glycerol from the water.
Answered by
36
In manufacturing of soap, along with many raw materials like NaOH vegetable oil common salt is used due to common ion effect decreases the solubility of soap in water.
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