Aromatic hydrocarbon dehydrogenation process

Details Aromatic hydrocarbon dehydrogenation process Aromatic hydrocarbon dehydrogenation process

1977-01-10

1978-09-12

Vertiz, O. R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 1509, C07C 1510

Patent

active

041137876

ABSTRACT:
Alkylaromatic hydrocarbons including ethylbenzene are dehydrogenated in a vapor phase reactant stream, preferably at subatmospheric conditions. The resultant reaction zone effluent is partially condensed and then separated in a subatmospheric product settler. Hydrocarbons from the product settler are fractionated to yield a styrene bottoms stream, an overhead liquid recycled to the reaction zone and an overhead vapor. This vapor is admixed with vapors from the product settler, compressed to a superatmospheric pressure, and partially condensed to form a liquid which is fractionated to remove the net light aromatic hydrocarbons produced in the process.

REFERENCES:
patent: 3409689 (1968-11-01), Ward
patent: 3525776 (1970-08-01), Berger
patent: 3702346 (1972-11-01), Kellar
patent: 3847968 (1974-11-01), Hughes

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