Union Carbide Corporation

Arbor Research Corporation

Richard Alan Anderson

Ervine S Holmes

Louis L Fornoff

William G Matthews

Jean-Paul Sicard

Karl Gardner Davis

Daniel L Reichley

Ronald Frank Ambrosini

Alexander I Kandybin

Krishan Dayal Manchanda

A process for removing argon from a feed gas stream comprising oxygen and argon to yield a high purity oxygen stream and the system for carrying out the process. The process includes the steps of: (a) providing a feed gas of oxygen and argon at a temperature between -30.degree. C. and 100.degree. C. and a pressure between 5 psia and 160 psia; and (b) passing the feed gas over an adsorbent bed comprising a Ag ion exchanged type X zeolite wherein at least 80% of the available ion sites are occupied by Ag such that at least a portion of the argon in the feed gas is adsorbed by the adsorbent bed thereby leaving an oxygen-enriched gas stream.

System for separation of oxygen from argon/oxygen mixture

Adsorbate is removed from a liquid mixture using a vessel containing a side effluent exit port above a zone of adsorbent material and below a second zone of adsorbent material used to remove adsorbate from a reverse flow regenerating fluid.

Liquid adsorption process and apparatus

Mercury vapor is selectively chemisorbed from gas streams by contact with zeolitic molecular sieves containing elemental sulfur. The selectivity and capacity of the zeolite adsorbent in the process is not affected adversely by the presence of adsorbed water vapor or water vapor in the gas stream being treated.

Selective adsorption of mercury from gas streams

Hydrocarbon gas streams containing small quantities of molecular oxygen are found to adversely affect the adsorptive characteristics of zeolite adsorbent beds at temperatures above 350.degree. F. Problem is avoided by converting the oxygen to readily sorbable compounds prior to contacting the bed with the gas stream.

Purification of natural gas streams containing oxygen

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Katonah, NY, United States of America

Richard Alan Anderson