Method for manufacturing nitric acid
AssigneeArkema France
InventorsJean-Luc Dubois, Paul-Guillaume Schmitt
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Abstract
The present invention relates to a method for manufacturing nitric acid wherein a gaseous mixture, including air and ammonia, is transported on a catalyst including platinum to carry out catalytic oxidation of the ammonia, and is characterized in that a sulfurated component is added to the gaseous mixture.
Claims19
A process for manufacturing nitric acid in which a gas mixture comprising air and ammonia is passed over a catalyst comprising platinum in order to carry out the catalytic oxidation of the ammonia, wherein a sulfur-containing compound is added to the gas mixture.
A method of increasing the yield of a process for manufacturing nitric acid by catalytic oxidation of ammonia which comprises adding a sulfur-containing compound to a gas mixture comprising air and ammonia that is passed over a catalyst comprising platinum in order to carry out the catalytic oxidation of the ammonia.
Dependencies are inferred from the claim text.