	US 12,383,847 B2
	Process for the aqueous extraction of biosurfactants from corn steep liquor
Ana Belen Moldes Menduina, Vigo (ES); Jose Manuel Cruz Freire, Vigo (ES); Lorena Rodriguez Lopez, Vigo (ES); and Alejandro Lopez Prieto, Vigo (ES)
Assigned to UNIVERSIDADE DE VIGO, Vigo (ES)
Appl. No. 17/605,812
Filed by UNIVERSIDADE DE VIGO, Vigo (ES)
PCT Filed May 19, 2020, PCT No. PCT/ES2020/070321 § 371(c)(1), (2) Date Oct. 22, 2021, PCT Pub. No. WO2020/234501, PCT Pub. Date Nov. 26, 2020.
Claims priority of application No. 201900084 (ES), filed on May 21, 2019.
Prior Publication US 2022/0203262 A1, Jun. 30, 2022
Int. Cl. B01D 11/02 (2006.01); A23L 33/10 (2016.01); B01D 21/26 (2006.01); C09K 23/24 (2022.01); C11D 9/02 (2006.01)

CPC B01D 11/0288 (2013.01) [A23L 33/10 (2016.08); B01D 21/26 (2013.01); C09K 23/24 (2022.01); C11D 9/02 (2013.01); A23V 2002/00 (2013.01)]

20 Claims

1. A process for the extraction of biosurfactants from corn steep liquors (CSL) comprising:

a) separating a solid phase from the CSL, and

b) contacting the separated solid phase with a buffered aqueous solution that has a pH of 6 to 8 and an osmotic concentration of at least 20 mOsm/L.