Selective extraction of argon from ethylene oxide recycle stream

Details Selective extraction of argon from ethylene oxide recycle stream Selective extraction of argon from ethylene oxide recycle stream

1987-03-06

1990-02-27

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30110

Patent

active

049048074

ABSTRACT:
The invention relates to an improved process for production of ethylene oxide which minimizes unreacted ethylene losses through the use of semi-permeable membrane units, thereby allowing an effective, selective removal of argon from the process cycle gas, without significant ethylene losses.

REFERENCES:
patent: 3083213 (1963-03-01), Courter
patent: 3119837 (1964-01-01), Kingsley et al.
patent: 3725307 (1973-04-01), Brown et al.
patent: 4230463 (1980-10-01), Henis et al.
R. P. Rastogi et al., J. of Membrane Science (1978), "Thermoosmotic Studies on Argon Gas and Binary Gaseous Mixtures . . . ," 4, pp. 1-15.
W. A. Bollinger et al., CEP (Oct. 1982), "Separation Systems for Oil Refining and Production," pp. 27-32.
R. S. Narayon et al., paper presented at the Permian Basin Regional Meeting of the Gas Producers Association, 5/6/82, Midland, Tex., pp. 1-18.

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