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. 22, 2022
Filed:
Aug. 22, 2017
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
John H. Collins, Bloomingdale, IL (US);
David W. Scheimann, Joliet, IL (US);
Jason S. Van't Hul, Harrisburg, SD (US);
Philip M. Eastin, Saint Louis, MO (US);
Assignee:
ECOLAB USA Inc., St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 17/02 (2006.01); C02F 9/00 (2006.01); C02F 1/40 (2006.01); C02F 1/52 (2006.01); B01D 17/04 (2006.01); C02F 103/32 (2006.01);
U.S. Cl.
CPC ...
B01D 17/0217 (2013.01); B01D 17/0205 (2013.01); B01D 17/042 (2013.01); B01D 17/047 (2013.01); C02F 9/00 (2013.01); C02F 1/40 (2013.01); C02F 1/52 (2013.01); C02F 2103/32 (2013.01); C02F 2303/10 (2013.01); Y02E 50/10 (2013.01); Y02W 10/30 (2015.05);
Abstract
A method of processing thin stillage in an ethanol refining operation is provided. The method comprises treating thin stillage upstream of a concentration or evaporation step with an aid comprising a sorbitan ester of a fatty acid, an ethoxylated sorbitan ester of a fatty acid, or a combination thereof, thereby forming treated thin stillage. The aid may include at least one of sorbitan monooleate, polyoxyethylene sorbitan monostearate, and polyoxyethylene sorbitan monolaurate.