Assertion: butadiene | /r/HasProperty | isolated
Facets:
value: typically
type: DEGREE
Source sentences:
text: Butadiene is typically isolated from the other four-carbon hydrocarbons produced in steam cracking by extractive distillation using a polar aprotic solvent such as acetonitrile, N-methyl-2-pyrrolidone, furfural, or dimethylformamide, from which it is then stripped by distillation.