Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Organic
Patent
1987-03-24
1988-08-02
McFarlane, Anthony
Catalyst, solid sorbent, or support therefor: product or process
Solid sorbent
Organic
502402, 502415, 502416, 502400, 423304, 521 28, 521 31, 521 52, 521 53, 525366, B01J 2004, B01J 2016, B01J 2022
Patent
active
047613955
ABSTRACT:
A process for purifying a gaseous mixture comprising arsine, phosphine, ammonia, and/or inert gases, to remove Lewis acid and/or oxidant impurities therefrom, comprising contacting the mixture with a scavenger including a support having associated therewith an anion which is effective to remove such impurities, such anion being selected from one or more members of the group consisting of: (i) carbanions whose corresponding protonated compounds have a pK.sub.a value of from about 22 to about 36; and (ii) anions formed by reaction of such carbanions with the primary component of the mixture.
REFERENCES:
patent: 3079428 (1963-02-01), Baer et al.
patent: 3316223 (1967-04-01), Baer et al.
patent: 3542544 (1970-11-01), Seus et al.
patent: 3542547 (1970-11-01), Wilson
patent: 3984253 (1976-10-01), Nelson
patent: 4258119 (1981-03-01), Cournoyer et al.
patent: 4316950 (1982-02-01), Cincotta et al.
patent: 4405704 (1983-09-01), Watarai et al.
patent: 4416971 (1983-11-01), Borror et al.
patent: 4603148 (1986-07-01), Tom
Brown Duncan W.
Tom Glenn M.
Advanced Technology & Materials Inc.
Hultquist Steven
McFarlane Anthony
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