Method for separating vinyl chloride from a thermally decomposed

Details Method for separating vinyl chloride from a thermally decomposed Method for separating vinyl chloride from a thermally decomposed

1999-05-17

2000-08-29

Carr, Deborah D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570238, C07C 1725, C07C 1738

Patent

active

06111152&

ABSTRACT:
A method for separating vinyl chloride, which comprises cooling a cracked gas obtained by cracking 1,2-dichloroethane by a thermal cracking furnace, firstly in a heat exchanger, then further cooling it in a quenching tower and then distilling it, wherein the cracked gas is cooled in the heat exchanger to at least 350.degree. C., the quenching tower is controlled so that from 80 to 98 wt % of the cracked gas introduced is withdrawn as an overhead product and the rest of from 20 to 2 wt % of the cracked gas is withdrawn as a bottom effluent, and they are respectively sent to the subsequent steps, and formed coke is discharged together with the bottom effluent.

REFERENCES:
patent: 4822932 (1989-04-01), Dummer et al.

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