	US 12,275,691 B2
	Process for purification of products
Ralph Gillespie, Skokie, IL (US); Michelle Kocal, Skokie, IL (US); Wyatt Eric Allen, Skokie, IL (US); Richard R Rosin, Skokie, IL (US); and Donovan Tran, Skokie, IL (US)
Assigned to LanzaTech, Inc., Skokie, IL (US)
Filed by LanzaTech, Inc., Skokie, IL (US)
Filed on Jul. 14, 2023, as Appl. No. 18/352,623.
Application 18/352,623 is a continuation of application No. 17/183,204, filed on Feb. 23, 2021, granted, now 11,731,926.
Claims priority of provisional application 62/988,176, filed on Mar. 11, 2020.
Prior Publication US 2023/0357112 A1, Nov. 9, 2023
Int. Cl. C07C 29/84 (2006.01); B01D 3/00 (2006.01); B01D 3/14 (2006.01); B01D 15/36 (2006.01); C07C 29/76 (2006.01); C07C 29/88 (2006.01); C12P 7/06 (2006.01)

CPC C07C 29/84 (2013.01) [B01D 3/002 (2013.01); B01D 3/143 (2013.01); B01D 15/362 (2013.01); C07C 29/76 (2013.01); C07C 29/88 (2013.01); C12P 7/06 (2013.01)]

19 Claims

1. A composition comprising at least one fermentation product recovered from a fermentation broth comprising microbial biomass, at least one fermentation product and at least two by-products wherein the at least one fermentation product is recovered by

a. separating at least microbial biomass from the fermentation broth to generate a process stream comprising the at least one fermentation product and the at least two by-products; and

b. separating the at least one fermentation product from the process stream by the combination of reaction of at least one of the two by-products, distillation, and adsorption, and wherein at least one of the at least two by-products is thiol.