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.
Patent No.:
Date of Patent:
Jan. 12, 2021
Filed:
Jan. 28, 2019
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Othman Charles S. Al Hamouz, Dhahran, SA;
Mahmoud Mohamed Abdelnaby, Dhahran, SA;
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Abstract
An amine-functionalized, crosslinked porous copolymer can be synthesized by linking 1,4-benzenediamine and pyrrole with p-formaldehyde in the presence of concentrated hydrochloric acid catalyst. The polymer is permanently microporous, with a BET surface area of 250 to 350 m/g. Due to the high concentration of polar amines within its backbone, the polymer exhibits a COuptake of 17.5 to 30 cm3/g at 298 K and 1 bar, but demonstrated a remarkably high selectivity for COover Nat 298 K. Dynamic breakthrough experiments indicate that this material is an effective adsorbent for selectively separating COfrom a dry and wet gas mixture containing Nfor over 45 cycles without significant loss of performance. Furthermore, the polymer can be regenerated at room temperature after each cycle by a simple Nflow.