Moderate excess nitrogen Braun Purifier.TM. process and method f

Details Moderate excess nitrogen Braun Purifier.TM. process and method f Moderate excess nitrogen Braun Purifier.TM. process and method f

1997-04-07

1999-08-10

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

C01C 104

Patent

active

059355441

ABSTRACT:
The present invention is a moderate excess nitrogen Braun Purifier.TM. process, wherein has been found an unexpected improvement in capacity and efficiency of operation of ammonia plants designed without the Braun Purifier.TM. process. In addition, the refrigeration necessary for the fractionation and/or separation of the desired hydrogen and nitrogen from the undesired methane and inerts can by provided by prior art methods or by the novel methods described herein.

REFERENCES:
patent: 3442613 (1969-05-01), Grotz
patent: 4296085 (1981-10-01), Banquy
patent: 4383982 (1983-05-01), Pinto
patent: 4409196 (1983-10-01), Skinner et al.
patent: 4613492 (1986-09-01), Winter
patent: 4681745 (1987-07-01), Pinto
patent: 4699772 (1987-10-01), de Lathouder
patent: 4780298 (1988-10-01), Kowal
patent: 4925456 (1990-05-01), Egglestone
patent: 4981669 (1991-01-01), Pinto
John H. Perry, Chemical Engineers' Handbook, Fourth Edition, McGraw Hill Book Co., p. 13-2, 1963.

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