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:
Sep. 22, 1992
Filed:
Aug. 03, 1990
Applicant:
Inventors:
Herbert Fischer, Lollar, DE;
Wolfgang Nehb, Frankfurt, DE;
Assignee:
Metallgesellschaft Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
422177 ; 422173 ; 422200 ; 422201 ; 422220 ; 422230 ; 422242 ; 422244 ;
Abstract
The apparatus comprises a container which has a central cooling chamber and an annular chamber which surrounds the cooling chamber and contains catalyst. The gas mixture to be reacted contains H.sub.2 S and SO.sub.2 enters the annular chamber and first flows through the catalyst. The cooling chamber contains at least one coolant line and is provided with a passage for gas mixture coming from the annular chamber and with a gas outlet. The cooling chamber is provided at its bottom end with a drain for the liquid elementary sulfur .