In a primary process for hydroformylating olefins in the presence of a rhodium-containing catalyst solution to produce aldehydes and a gaseous effluent comprising unreacted olefin is vented, the improvement which comprises employing the effluent as a reactant feed for a coupled secondary hydroformylation process conducted jointly therewith in which the catalyst solution is cycled back and forth between the primary and secondary hydroformylation processes.
申请公布号
WO9508525(A1)
申请公布日期
1995.03.30
申请号
WO1994US09672
申请日期
1994.08.25
申请人
HOECHST CELANESE CORPORATION
发明人
UNRUH, JERRY, D.;PIEPER, WENDELL, L.;PASS, MILO, C.