Process for purifying a gas containing hydrogen sulphide and sulphur dioxide

A process for the production of elemental sulphur by reacting hydrogen sulphide with sulphur dioxide in a liquid reaction medium comprising an organic solvent for the two compounds, e.g., ethylene glycol, and containing at least one soluble catalytic basic compound, e.g., sodium salicylate, comprise...

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Bibliographic Details
Main Authors VILTARD; JEANARLES, BOUCOT; PIERRE
Format Patent
LanguageEnglish
Published 16.05.2000
Edition7
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:A process for the production of elemental sulphur by reacting hydrogen sulphide with sulphur dioxide in a liquid reaction medium comprising an organic solvent for the two compounds, e.g., ethylene glycol, and containing at least one soluble catalytic basic compound, e.g., sodium salicylate, comprises bringing a gas mixture containing sulphur dioxide and hydrogen sulphide into contact with a co-current of the solvent containing the catalytic basic compound.
Bibliography:Application Number: US19970988980