Assertion: vegetable oil | /r/HasProperty | pretreated with acid catalyst
Facets:
value: in order to eliminate saponification reaction
type: PURPOSE
Source sentences:
text: In order to eliminate saponification reaction (formation of soap when FFA reacts with homogenous base catalyst) vegetable oil can be pretreated with acid catalyst, which esterifies free fatty acid to form esters of free fatty acid (biodiesel).