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US 10,293,299 B2Granted
Hybrid solvent formulations for total organic sulfur removal and total acidic gas removal
AssigneeDow Global Technologies LLC
InventorsChristophe R. Laroche, Gerardo Padilla, John R. Dowdle
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Abstract
A method of treating oil and gas streams to remove total organic sulfur or total acid gas including the step of treating the gas stream with a solution of an amine, physical solvent, and water wherein the amine solution may optionally also contain an activator.
Claims8
A method of treating oil and gas streams to remove total organic sulfur and total acidic gases, said method comprising:
- treating said oil and gas streams with an aqueous solution, said aqueous solution comprising:
- an amine selected from the group consisting of 3-dimethylamino-1, 2-propanediol, 3-diethylaminopropane-1,2-diol, 2-hydroxymethyl-2-dimethylaminopropane-1,3-diol, 2-hydroxymethyl-2-diethylaminopropane-1,3-diol, dimethylethanolamine, 2-hydroxymethyl-2-methylaminopropane-1,3-diol, 2-hydroxymethyl-2-ethylaminopropane-1,3-diol;
- and mixtures thereof;
- a physical solvent, wherein said physical solvent is a monohydric glycol ether having the formula:
- wherein R is a Methyl group, Ethyl group, Propyl group, or Butyl group, and n=1-5;
- and
- an activator.
4 more elements
Dependencies are inferred from the claim text.