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:
Jul. 03, 2018
Filed:
Nov. 06, 2015
Celanese International Corporation, Irving, TX (US);
Raymond J. Zinobile, Houston, TX (US);
Tommy W. Doggett, League City, TX (US);
Lun-kuang Liu, Yunnan, CN;
Celanese International Corporation, Irving, TX (US);
Abstract
A methanol carbonylation systemincludes an absorber toweradapted for receiving a vent gas stream and removing methyl iodide therefrom with a scrubber solvent, the absorber tower being coupled to first and second scrubber solvent sourceswhich are capable of supplying different first and second scrubber solvents. A switching system including valvesalternatively provides first or second scrubber solvents to the absorber tower and returns the used solvent and sorbed material to the carbonylation system to accommodate different operating modes.