Assertion: butadiene | /r/HasProperty | sent to second separating tower
Facets:
value: from the bottom of the tower
type: LOCATION
Source sentences:
text: Specifically, acetonitrile is fed into the top of a distillation column filled with hydrocarbons including butadiene, and as the acetonitrile falls down through the column, it absorbs the butadiene which is then sent from the bottom of the tower to a second separating tower.