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.

Date of Patent:
Jul. 19, 1983

Filed:

Feb. 05, 1981
Applicant:
Inventors:

Jan Waller, The Hague, NL;

Philippus Loof, The Hague, NL;

Assignee:

Shell Oil Company, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D / ;
U.S. Cl.
CPC ...
431-5 ; 431284 ; 4235 / ; 4235 / ;
Abstract

An ammonia-containing gas stream and a hydrogen sulfide-containing gas stream are combusted to a mixture of SO.sub.2 and H.sub.2 S in a ratio of substantially 1:2 in the thermal zone of a sulfur recovery unit by feeding said streams separately to a burner comprising a double-barrelled gun of two concentric tubes, the ammonia-containing gas stream being fed to the inner tube of the gun and the hydrogen sulfide-containing gas stream being fed to the outer tube.


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Waller, Jan. (1983). Process for combusting ammonia-containing gases which also contain (U.S. Patent No. 4394119). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4394119

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