Catalytic distillation and hydrogenation of heavy unsaturates in

Details Catalytic distillation and hydrogenation of heavy unsaturates in Catalytic distillation and hydrogenation of heavy unsaturates in

1997-08-19

1999-07-20

Caldarola, Glenn A.

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Hydrocarbon is contaminant in desired hydrocarbon

585256, 585260, 585264, 585265, 585809, 203DIG6, 203 29, 208143, 208144, C07C 500

Patent

active

059257997

ABSTRACT:
In an olefins plant for the production and recovery of ethylene and propylene, the hydrogenation of the C.sub.2 acetylenes, the C.sub.3 acetylenes and dienes and the C.sub.4 and heavier acetylenes, dienes and olefins and the selective separation of the resulting products is carried out by the use of various arrangements of one or more reaction distillation columns. These columns contain a hydrogenation catalyst in enriching and stripping sections and concurrently perform a catalytic hydrogenation reaction and a distillation function.

REFERENCES:
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patent: 5461178 (1995-10-01), Harandi
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patent: 5679241 (1997-10-01), Stanley et al.
Kirk-Othmer; Encyclopedia of Chemical Technology; 2.sup.nd and 4.sup.th edition; vol. 8 and 9; 1965 and 1994.
Stone & Webster-Badger, "Ethylene Production"; The Lummus Company, Ethylene and Propylene; Petroleum Refiner, vol. 32, No. 11, pp. 130-131, Nov. 1953.

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