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:
Jan. 20, 2026
Filed:
Nov. 30, 2021
Sms Group Gmbh, Düsseldorf, DE;
Frank Marlin Kaussen, Aachen, DE;
Nikolaus Peter Kurt Borowski, Düsseldorf, DE;
Markus Andreas Reuter, Düsseldorf, DE;
Stephan Geimer, Mühlheim, DE;
Timm Lux, Meerbusch, DE;
Rolf Degel, Ratingen, DE;
SMS group GmbH, Düsseldorf, DE;
Abstract
The present disclosure relates to a method for the pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary waste materials (M), wherein these are fed in shredded form to a smelting unit () which includes a smelting zone (), a main reaction zone () and a secondary reaction zone () and are smelted in the presence of an oxidizing, reducing and/or inert gas and/or gas mixture (G), such that a liquid melt phase (), a liquid slag phase () and a gas phase are formed. The oxidizing, reducing and/or inert gas and/or gas mixture (G) is supplied in compressed form via at least one injector () and is expanded adiabatically within the smelting unit () and is then injected as adiabatically expanded gas and/or gas mixture into the liquid slag phase ().
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