US 12,460,232 B2
Methods for reducing and/or eliminating microbial populations in a fermentation process
Peter J. Fernholz, Saint Paul, MN (US); and Jay Kummet, Saint Paul, MN (US)
Assigned to ECOLAB USA INC., Saint Paul, MN (US)
Filed by ECOLAB USA INC., Saint Paul, MN (US)
Filed on May 2, 2022, as Appl. No. 17/661,657.
Application 16/221,126 is a division of application No. 15/591,624, filed on May 10, 2017, granted, now 10,190,138, issued on Jan. 29, 2019.
Application 17/661,657 is a continuation of application No. 16/946,624, filed on Jun. 30, 2020, granted, now 11,352,649.
Application 16/946,624 is a continuation of application No. 16/221,126, filed on Dec. 14, 2018, granted, now 10,731,183, issued on Aug. 4, 2020.
Application 15/591,624 is a continuation of application No. 14/875,867, filed on Oct. 6, 2015, granted, now 9,677,093, issued on Jun. 13, 2017.
Application 14/875,867 is a continuation of application No. 14/457,297, filed on Aug. 12, 2014, granted, now 9,416,375, issued on Aug. 16, 2016.
Application 14/457,297 is a continuation of application No. 13/923,465, filed on Jun. 21, 2013, granted, now 8,835,140, issued on Sep. 16, 2014.
Claims priority of provisional application 61/662,620, filed on Jun. 21, 2012.
Prior Publication US 2022/0267809 A1, Aug. 25, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C12P 7/06 (2006.01); A01N 37/16 (2006.01); A01N 59/00 (2006.01); C12P 7/10 (2006.01)
CPC C12P 7/06 (2013.01) [A01N 37/16 (2013.01); C12P 7/10 (2013.01); C12P 2201/00 (2013.01); Y02E 50/10 (2013.01)] 9 Claims
 
1. A method for reducing and/or eliminating microbial populations in a biofuel fermentation system comprising:
applying up to about 20,000 ppm of a peracid composition to sanitize a fermentation system, wherein the peracid composition comprises one or more C1-C11 peroxycarboxylic acid(s), an oxidizing agent, and water, and wherein the fermentation system comprises one or more fermentation vessels, pipes and/or components;
providing or obtaining a mash sources in said fermentation system; and
reducing and/or eliminating a microbial population of yield loss organisms in said fermentation system,
wherein the method does not require rinsing of the fermentation system.