Dehydrogenation process with improved heat recovery

Details Dehydrogenation process with improved heat recovery Dehydrogenation process with improved heat recovery

1991-12-05

1993-05-25

Pal, Asok

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

585658, 585910, C07C 5333

Patent

active

052142256

ABSTRACT:
A process for making ethylenically unsaturated hydrocarbons from a saturated C.sub.3 -C.sub.5 hydrocarbon feed with improved heat recovery. The feed is partially vaporized against hot discharge gases from product compressors, completely vaporized with low pressure steam and preheated against hot reactor effluent, before being heated by a process heater to reaction temperature and catalytically dehydrogenated in an adiabatic reactor. The process is controlled by regulating the low pressure steam supplied to the vaporizer, the heat input to the process heater, and cooling water flow to the process coolers.

REFERENCES:
patent: 4381417 (1983-04-01), Vora et al.
patent: 4551235 (1985-11-01), Carson
patent: 4581339 (1986-04-01), Bhatt et al.
patent: 4806624 (1989-02-01), Herber et al.

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