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:
Apr. 22, 1980
Filed:
Dec. 15, 1978
Applicant:
Inventor:
Louis H Jaquay, Pittsburgh, PA (US);
Assignee:
Dravo Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 74 ; 75 72 ; 75 76 ;
Abstract
A continuous, autogenous process for conversion of nonferrous metal sulfide concentrates to remove metal therefrom wherein oxygen-containing gas is fed to a molten concentrate charge, through fluid shielded nozzles of a substantially horizontal converter, wherein sulfur trioxide is fed along with the oxygen-containing gas, with the sulfur trioxide converted to sulfur dioxide within the converter to absorb heat from the charge and assist in control of the temperature thereof.