Light ends recovery in ethyl acrylate process

Details Light ends recovery in ethyl acrylate process Light ends recovery in ethyl acrylate process

1980-05-23

1981-11-17

Bascomb, Jr., Wilbur L.

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

Organic compounds

Carboxylic acid esters

560205, 202183, 202205, 203 8, 203 39, 203 42, 203 80, 203 91, 417 68, C07C 6748, B01D 310

Patent

active

043012981

ABSTRACT:
A normally liquid hydrocarbon having a minimum boiling point of about 425.degree. F. is utilized to provide the liquid seal in a vacuum pump which intakes a gaseous light ends stream resulting from a process for the production of ethyl acrylate by the reaction of ethylene with acrylic acid in the presence of a sulfuric acid catalyst. Upon contact in the vacuum pump, the gaseous light ends are partially absorbed into the normally liquid hydrocarbon, with the normally liquid hydrocarbon being recovered by fractionation.

REFERENCES:
patent: 1972157 (1934-09-01), Miller
patent: 2336493 (1943-12-01), Marks
patent: 3228860 (1966-01-01), Larson
patent: 3248233 (1966-04-01), Brent et al.
patent: 3951756 (1976-04-01), Dirks et al.
patent: 4087208 (1978-05-01), Uda et al.

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