C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/529.4, 260/4
C07C 51/12 (2006.01) C07C 51/14 (2006.01) C07C 53/08 (2006.01) C07C 67/36 (2006.01) C07C 67/38 (2006.01)
Patent
CA 2035426
ABSTRACT OF THE DISCLOSURE A process is disclosed for the carbonylation of an organic compound selected from the group consisting of an olefin, an alcohol, an acid and an ester. In this process he organic compound is reacted with carbon monoxide in the presence of a Group VIII metal-containing catalyst. The liquid carbonylation product solution of this reaction is conveyed to a separation zone maintained at a lower total pressure than is the pressure in the reaction zone. Simultaneously with the conveyance of the liquid product solution to the separation zone is the introduction therein of a carbon monoxide-containing gaseous stream, the carbon monoxide therein contributing a partial pressure of up to 30 psia to the total pressure of said separation zone. A portion of the liquid carbonylation product solution is flashed and removed from the separation zone. The unflashed liquid carbonylation product solution is recycled into the reaction zone.
Hanes Ronnie M.
Smith David W.
Mcfadden Fincham
Quantum Chemical Corporation
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