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:
Aug. 24, 2010

Filed:

Feb. 15, 2007
Applicants:

Chung-sung Tan, Hsinchu, TW;

Pei-lun Lee, Hsinchu, TW;

Inventors:

Chung-Sung Tan, Hsinchu, TW;

Pei-Lun Lee, Hsinchu, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of desorbing a volatile component from a spent adsorbent is disclosed, which includes flowing a stream of supercritical carbon dioxide through a rotating packed bed of the spent adsorbent; and collecting an effluent from the rotating packed bed, which contains supercritical carbon dioxide and the volatile component entrained therein. In one embodiment of the present invention a spent activated carbon from a process for recovering 2,2,3,3-tetrafluro-1-propanol from a gas stream containing 2,2,3,3-tetrafluro-1-propanol is regenerated by flowing a stream of supercritical carbon dioxide through a rotating packed bed of the spent activated carbon.


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Tan, Chung-Sung. (2010). Method of desorbing a volatile component from a spent adsorbent with rotating packed bed and method of recovering 2,2,3,3-tetrafluro-1-propanol from a gas stream by adsorption (U.S. Patent No. 7780763). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7780763

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