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:
Nov. 09, 2021
Filed:
Apr. 19, 2017
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
John R. Dowdle, Lake Jackson, TX (US);
Christophe R. Laroche, Lake Jackson, TX (US);
Diego Ortiz Vega, Houston, TX (US);
Linda L. Pirtle, Brazoria, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01); B01D 53/52 (2006.01); B01D 53/78 (2006.01); B01D 53/96 (2006.01); C10L 3/10 (2006.01);
U.S. Cl.
CPC ...
B01D 53/1425 (2013.01); B01D 53/1468 (2013.01); B01D 53/1475 (2013.01); B01D 53/1493 (2013.01); B01D 53/526 (2013.01); B01D 53/78 (2013.01); B01D 53/96 (2013.01); C10L 3/103 (2013.01); C10L 3/104 (2013.01); B01D 2252/103 (2013.01); B01D 2252/2026 (2013.01); B01D 2252/20431 (2013.01); B01D 2252/20489 (2013.01); B01D 2252/504 (2013.01); B01D 2257/304 (2013.01); B01D 2257/504 (2013.01); C10L 2290/541 (2013.01);
Abstract
Disclosed is a process for regenerating a hybrid solvent used to remove contaminants from a fluid stream and to provide an improved yield of purified fluid. Said process comprises a purification unit () and at least one regeneration unit () wherein make-up water () is added to the regenerated lean hybrid solvent () prior to reuse in the first purification unit and no water is recycled into the regeneration unit.