Multiple zone adsorption process

Details Multiple zone adsorption process Multiple zone adsorption process

1989-12-27

1990-10-23

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 59, 55 62, 55 68, 55 74, 55 75, B01D 5304

Patent

active

049648888

ABSTRACT:
Adsorption processes are provided for separating a first component from a mixture with at least one other component by passing the mixture in vapor phase through a first adsorption zone comprising particulate adsorbent material having a minimum particle size and subsequently through a second adsorption zone comprising particulate adsorbent having a maximum particle size smaller than the particle size of the adsorbent in the first adsorption zone. In certain aspects of the invention wherein the process has a repetitive cycle sequence and a total cycle time of greater than about 30 seconds, the particle size of the adsorbent in the first adsorption zone is not less than about No. 14 mesh and the particle size of the adsorbent in the second adsorption zone is less than about No. 14 mesh. One specific aspect relates to the separation of hydrogen from a feed comprising hydrogen and at least one other component selected from the group consisting of carbon monoxide, methane and nitrogen by a pressure swing process.

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patent: 4880443 (1989-11-01), Miller et al.

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