Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By plural serial diverse separations
Patent
1997-03-06
1998-12-15
Caldarola, Glenn
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By plural serial diverse separations
585655, 585867, C07C 711
Patent
active
058499792
ABSTRACT:
A process for the removal of trace quantities of polynuclear aromatic compounds from the vapor effluent of a hydrocarbon dehydrogenation zone containing normally gaseous olefinic hydrocarbons, trace mononuclear aromatic compounds and trace polynuclear aromatic compounds by contacting the hot vapor effluent of a hydrocarbon dehydrogenation zone with a cold lean liquid absorption stream to absorb at least a portion of the trace polynuclear aromatic compounds to produce a rich liquid absorption stream and a gaseous olefin-containing hydrocarbon stream having a reduced concentration of polynuclear aromatic compounds.
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Glover Bryan K.
Kalnes Tom N.
Scott Norman H.
Smith Lester F.
Caldarola Glenn
Cutts, Jr. John G.
Dang Thuan D.
McBride Thomas K.
Tolomei John G.
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