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US 12,221,585 B2Granted
Method for minimizing fouling, corrosion, and solvent degradation in low-temperature refinery and natural gas processes
AssigneeBl Technologies, Inc.
InventorJohn Soria
Life of this patent
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Abstract
A method of oxygen scavenging, the method (i) providing an oxygen scavenger composition; and (ii) adding the oxygen scavenger composition to an aqueous feed and/or a hydrocarbon feed of a hydrocarbon processing system.
Claims17
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.
1 more element
A method of oxygen scavenging, the method comprising:
- (i) providing an oxygen scavenger composition comprising N,N-bis(2-hydroxypropyl)hydroxylamine, a catalyst, and at least one of:
- N,N-bis(2-hydroxyethyl)hydroxylamine, N,N-bis(2-hydroxybutyl)-hydroxylamine, and diethylhydroxylamine;
- and
- (ii) adding the oxygen scavenger composition to an aqueous feed and/or a hydrocarbon feed of a hydrocarbon processing system,
- wherein the aqueous feed comprises hydrocarbons and dissolved oxygen, and wherein the hydrocarbon feed comprises dissolved oxygen.
2 more elements
Dependencies are inferred from the claim text.