【摘要】 在柠檬酸三丁酯的产品提纯过程中 ,粗酯采用先脱正丁醇后中和水洗的方法 ,易造成乳化 ,且酸值只能达到0.2mgKOH/g左右。而采用不脱醇就中和水洗的方法 ,可以避免乳化 ,并且有效降低产品的酸值至0.05mgKOH/g以下。更多还原

【Abstract】 Rawtributyl citrate neutralizing and water washing after the removal of excess n-butanol can cause emulsification..Meanwhile the acid value reduction offinal productis limited,to0.2mgKOH/gorso only.However,the acid value will be reduced deeply to less than0.05mgKOH/g and emulsification can be avoided by neutralization and water washing before the removal of excess n-butanol.更多还原