Assertion: crude glycerol | /r/HasProperty | purified by treatment
Facets:
value: with activated carbon
type: OTHER
value: to remove organic impurities
type: PURPOSE
Source sentences:
text: Crude glycerol from the hydrolysis of triglycerides can be purified by treatment with activated carbon to remove organic impurities, alkali to remove unreacted glycerol esters, and ion exchange to remove salts.