Oxidation of carbonaceous material

Details Oxidation of carbonaceous material Oxidation of carbonaceous material

1985-10-18

1987-09-01

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 31, 55 59, 55 68, 55 74, B01D 5304

Patent

active

046906967

ABSTRACT:
The gaseous effluent from oxidation of organic material with oxygen-rich gas, which effluent contains CO.sub.2 (and possible CO) and unreacted residual oxygen, is compressed and charged to a PSA system for selective removal of the CO.sub.x, the thus purified oxygen-rich product from the PSA system being recycled to the oxidation reaction. In the PSA system comprised of a plurality of adsorption columns operated in parallel, each column in turn undergoes the steps of: (1) selective adsorption of CO.sub.2 from the feed gas; (2) depressuring to near ambient level; (3) purging with air to remove sorbed CO.sub.2 ; and (4) repressuring with part of the recycled effluent from step (1).

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