Method For Manufacturing Sulphuric Acid
AssigneeOcp SA
InventorYassine Azhari
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Abstract
The invention relates to a method for manufacturing sulphuric acid, which involves converting sulphur dioxide SO2 into sulphur trioxide S03, by injecting gaseous sulphur dioxide into a converter (1) inside which at least one mass (2) of a catalyst for the conversion is present, and according to which, during phases in which the injection of the gaseous sulphur dioxide is stopped, the space inside the converter (1) is heated in such a way as to maintain a minimum temperature of 200° C., and preferably 250° C., within each catalyst mass (2), characterized by the fact that the stopping of the injection of the sulphur dioxide is slaved to the starting of the heating, and vice versa.
Claims6
A method for manufacturing sulfuric acid, which involves a conversion of sulfur dioxide SO2 into sulfur trioxide SO3, by an injection of gaseous sulfur dioxide into a converter inside which at least one mass of a catalyst for said conversion is present and according to which, during phases in which the injection of said gaseous sulfur dioxide is stopped, the space inside said converter is heated in such a way as to maintain a minimum temperature of 200° C., preferably 250° C., within said at least one mass of a catalyst, wherein the stopping of said injection of gaseous sulfur dioxide is slaved to the starting of the heating, and vice versa.
Dependencies are inferred from the claim text.