Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By addition of entire unsaturated molecules – e.g.,...
Patent
1996-04-29
1998-03-17
Caldarola, Glenn
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By addition of entire unsaturated molecules, e.g.,...
585510, 585524, 502126, C07C 321
Patent
active
057289123
ABSTRACT:
The process of butene-1 production comprises the steps of: a) sending a inhibited catalyst containing reactor effluent to a flash section where the pressure is decreased by about 0.1 MPa to about 2 MPa, and obtaining a first gaseous phase containing ethylene and butene-1 and a first liquid phase containing the inhibited catalyst; b) sending the first liquid phase from step a) to at least one vaporisation section which allows the separation of a second gaseous phase containing butene-1 and ethylene from a second liquid phase containing the inhibited catalyst; c) sending the second liquid phase from step b) to at least one thin film evaporation section which allows the separation of a third gaseous phase containing ethylene, butene-1 and some other heavier hydrocarbon products from a concentrated inactivated catalyst solution and, d) collecting the first, second and third gaseous phases to form a gaseous reactor effluent substantially free of spent catalyst.
REFERENCES:
patent: 4532370 (1985-07-01), Le Quan et al.
patent: 4615998 (1986-10-01), Le Quan et al.
patent: 5001274 (1991-03-01), Bunning
Abdulaziz Al Sherehy Fahad
Forestiere Alain
Gaillard Jean
Issa Al-Qurtas Moayyed
Saqualain Haider Rizvi Syed
Caldarola Glenn
Institut Francais du Pe'trole
Saudi Basic Industries Corp.
Yildirim Bekir L.
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