Since no catalyst is used in the process, a product can be conveniently extracted and no waste water is produced; and the esterexchange process is simpler, safer and more efficient.
由于过程中无催化剂，不仅产物提纯简便，而且无废水产生，酯交换过程更加简单、安全和高效。
2
Vegetable oil ester-exchange reaction is catalyzed by solid base catalyst, the yield and conversion of oil is over 98.5%.