The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 09, 2025

Filed:

Dec. 03, 2021
Applicant:

Basf Corporation, Florham Park, NJ (US);

Inventor:

William B. Dolan, Iselin, NJ (US);

Assignee:

BASF Corporation, Florham Park, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/047 (2006.01); B01D 53/26 (2006.01);
U.S. Cl.
CPC ...
B01D 53/047 (2013.01); B01D 2259/40054 (2013.01); B01D 2259/403 (2013.01);
Abstract

Disclosed herein is a system including at least two adsorbent bed containing vessels in adsorption mode, where one has a high pressure PI and one has a low pressure P, and at least one adsorbent bed containing vessel in regeneration mode. The vessel that is in regeneration mode may have a pressure Pthat is intermediate to the pressures PI and Pof each of the vessels that are in adsorption mode. The system may be configured to introduce a gas feed stream into the high pressure (P) vessel to generate a first product stream, followed by passing a slip stream from the first product stream, to act as a regeneration gas, into the vessel that in regeneration mode, followed by passing the regeneration gas into the low pressure (P) vessel, without passing through a compressor, to generate a second product stream.


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