PSA apparatus and process using adsorbent mixtures

Details PSA apparatus and process using adsorbent mixtures PSA apparatus and process using adsorbent mixtures

1998-06-12

2000-02-22

Spitzer, Robert H.

Gas separation: processes

Solid sorption

Including reduction of pressure

95117, 95130, 95139, 95143, 95145, 96130, 96132, 96144, 96154, B01D 53047

Patent

active

060275480

ABSTRACT:
The invention comprises a PSA apparatus for the separation of a heavy component from a light component in a feed stream. The apparatus includes an adsorbent bed comprising either a mixture of adsorbents or composite adsorbent particles wherein each particle comprises two or more adsorbents. At least one of the adsorbents is comparatively weak and the other is comparatively strong. Another embodiment of the invention is a PSA prepurifier having a bed of adsorbent material which comprises a mixture of, or composite adsorbent particles wherein each particle comprises at least two adsorbents, at least one of the adsorbents being comparatively strong and at least another of the adsorbents being comparatively weak.

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