	US 12,139,691 B2
	Vegetable oil treatment process
Peter Goodrich, Belfast (GB); Eoghain O'Hara, Belfast (GB); and Martin Atkins, Belfast (GB)
Assigned to Green Lizard Technologies Ltd., Belfast (GB)
Appl. No. 17/289,449
Filed by Green Lizard Technologies Ltd., Belfast (GB)
PCT Filed Oct. 29, 2019, PCT No. PCT/GB2019/053050 § 371(c)(1), (2) Date Apr. 28, 2021, PCT Pub. No. WO2020/089602, PCT Pub. Date May 7, 2020.
Claims priority of application No. 1817663 (GB), filed on Oct. 29, 2018.
Prior Publication US 2022/0010235 A1, Jan. 13, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C11B 3/06 (2006.01); A23D 9/04 (2006.01); A23L 5/20 (2016.01); B01D 17/02 (2006.01)

CPC C11B 3/06 (2013.01) [A23D 9/04 (2013.01); A23L 5/27 (2016.08); B01D 17/02 (2013.01); A23V 2002/00 (2013.01)]

17 Claims

1. A chloropropanol prevention pre-treatment process for crude vegetable oils, the process comprising the steps of:

(i) contacting a crude vegetable oil with an aqueous dimethylethanolamine (DMEA) solution such that the amount of DMEA relative to the crude vegetable oil is from 1 wt. % to 10 wt. %, to form a pre-treated vegetable oil and an aqueous phase; wherein the aqueous DMEA solution comprises water in an amount from 5 wt. % to 40 wt. % relative to the DMEA; and

(ii) separating the pre-treated vegetable oil from the aqueous phase before further treating the pre-treated vegetable oil.