	US 12,221,585 B2
	Method for minimizing fouling, corrosion, and solvent degradation in low-temperature refinery and natural gas processes
John Soria, Minnetonka, MN (US)
Assigned to BL TECHNOLOGIES, INC., Minnetonka, MN (US)
Appl. No. 17/787,504
Filed by BL TECHNOLOGIES, INC., Minnetonka, MN (US)
PCT Filed Dec. 16, 2020, PCT No. PCT/US2020/065184 § 371(c)(1), (2) Date Jun. 20, 2022, PCT Pub. No. WO2021/126892, PCT Pub. Date Jun. 24, 2021.
Claims priority of provisional application 62/951,076, filed on Dec. 20, 2019.
Prior Publication US 2023/0017553 A1, Jan. 19, 2023
Int. Cl. C10G 75/02 (2006.01); B01D 53/14 (2006.01); C02F 1/20 (2023.01); C02F 1/68 (2023.01); C10G 75/04 (2006.01)

CPC C10G 75/02 (2013.01) [B01D 53/1493 (2013.01); C02F 1/20 (2013.01); C02F 1/683 (2013.01); C10G 75/04 (2013.01); B01D 2252/2023 (2013.01); B01D 2252/602 (2013.01); B01D 2252/604 (2013.01); C02F 2303/08 (2013.01); C10G 2300/4075 (2013.01); C10G 2300/70 (2013.01)]

17 Claims

1. A method of oxygen scavenging, the method comprising:

(i) providing an oxygen scavenger composition comprising a hydroxyalkylhydroxylamine and a catalyst; and

(ii) adding the oxygen scavenger composition to an aqueous feed and/or a hydrocarbon feed of a hydrocarbon processing system,

wherein the hydroxyalkylhydroxylamine is N,N-bis(2-hydroxypropyl)hydroxylamine, wherein the aqueous feed comprises hydrocarbons and dissolved oxygen, and wherein the hydrocarbon feed comprises dissolved oxygen.