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:
Mar. 10, 2020
Filed:
Mar. 22, 2019
Lyondellbasell Acetyls, Llc, Houston, TX (US);
Noel C. Hallinan, Loveland, OH (US);
David L. Ramage, Friendswood, TX (US);
Daniel F. White, Houston, TX (US);
LyondellBasell Acetyls, LLC, Houston, TX (US);
Abstract
A method of producing acetic acid, the method comprising: reacting methanol and/or methanol derivatives with carbon monoxide in the presence of a liquid reaction medium under carbonylation conditions to form a carbonylation product comprising acetic acid and one or more oxidizable impurities; and contacting at least a portion of the carbonylation product or a derivative thereof with an adsorbent at adsorption conditions to provide a purified product comprising a reduced concentration of at least one of the one or more oxidizable impurities relative to a concentration thereof in the at least a portion of the carbonylation product or the derivative thereof. A system for carrying out the method is also provided.