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US 9,315,393 B2Granted
Hydrogen chloride removal process
AssigneeTessenderlo Chemie S.A.
InventorRudy Peeters
Life of this patent
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Abstract
A hydrogen chloride removal process includes (i) contacting in a reactor an aqueous solution, which includes one or more Fe2+-compounds, with a fluid, which includes an oxidizing agent, hydrochloric acid gas and optionally chlorine gas; and (ii) oxidizing the Fe2+-compounds to Fe3+-compounds, thereby converting the fluid to an exhaust gas, which has a reduced hydrochloric acid content.
Claims21
A hydrogen chloride removal process, the process comprising:
- contacting in a reactor an aqueous solution comprising one or more Fe2+-compounds with a reactor feed gas comprising an oxidizing agent, hydrochloric acid gas and optionally chlorine gas;
- and
- oxidizing said Fe2+-compounds to Fe3+-compounds,
- at a temperature lower than 100° C., thereby converting said reactor feed gas comprising an oxidizing agent, hydrochloric acid gas and optionally chlorine gas to an exhaust gas comprising a reduced hydrochloric acid content.
1 more element
Dependencies are inferred from the claim text.