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US 4,690,805 AGranted
Process for removal of mercaptans from gas streams
AssigneeNL Industries, Inc.
InventorsKishan Bhatia, John G. Garcia, Jr.
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Abstract
A composition and process for the removal of mercaptans from gaseous mixtures, particularly gaseous mixtures containing hydrocarbons, wherein the gaseous mixture is treated with an aqueous solution of a water soluble nitrite, such as sodium nitrite, and a water soluble polysulfide, such as sodium tetrasulfide, the pH of the aqueous solution preferably being about 10 or greater initially.
Claims13
A process for removing mercaptins from a gaseous mixture comprising treating said gaseous mixture with an inorganic, water soluble nitrite and an effective amount of a water soluble polysulfide.
Dependencies are inferred from the claim text.