The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 2001
Filed:
May. 06, 1999
Fabrice Lecomte, Vincennes, FR;
Claude Dezael, Maisons Laffitte, FR;
Jean-Charles Viltard, Valence, FR;
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Abstract
An apparatus for treating a gas containing hydrogen sulphide and sulphur dioxide comprising a first gas-liquid reactor-contactor (,), means (,) for supplying a gas to be treated and means (,) for supplying an organic solvent, means (,) for recovering sulphur and means (,) for extracting a gaseous effluent containing sulphur in vapour form, the apparatus being characterized in that it comprises a second reactor-contactor (,) connected to the means for extracting the gaseous effluent, means (,) for supplying an organic solvent which is depleted in sulphur connected to the second reactor-contactor, means (,) for recovering a gaseous effluent which has been cleaned of sulphur connected to the second reactor-contactor, means (,) for extracting a liquid phase containing the organic solvent and sulphur connected to the second reactor-contactor, at least one means for depleting at least a portion of the liquid phase in sulphur connected to the means for extracting the liquid phase, comprising at least one means (,) for cooling said phase connected to a means (,) for separating solid sulphur which delivers a solid phase (,) of sulphur at a first end and a liquid phase (,) which is depleted in sulphur at a second end, the second end being connected to means (,) for supplying solvent depleted in sulphur, the apparatus being further characterized in that at least one of the reactor-contactors contains a catalyst.