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:
Dec. 30, 2025
Filed:
Nov. 10, 2020
Applicants:
Danieli & C. Officine Meccaniche S.p.a., Buttrio, IT;
Hyl Technologies, S.a. DE C.v., San Nicolas de los Garza, MX;
Inventors:
Barbara Franco, Bagnaria Arsa, IT;
Paolo Roman Di Catterina, Maniago, IT;
Jorge Eugenio Martinez Miramontes, General Escobedo-Nuevo León, MX;
Assignees:
DANIELI & C. OFFICINE MECCANICHE S.P.A., Buttrio, IT;
HYL TECHNOLOGIES, S.A. DE C.V., Nicolas de los Garza, MX;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21B 13/00 (2006.01); C21B 13/02 (2006.01);
U.S. Cl.
CPC ...
C21B 13/004 (2013.01); C21B 13/0073 (2013.01); C21B 13/02 (2013.01); C21B 2100/64 (2017.05);
Abstract
A method for producing direct reduced iron is provided. The method includes circulating a first stream of spent reducing gas exiting a reactor in a reducing gas circuit through at least one carbon dioxide removal unit and a reducing gas heater and the reactor. The method also includes mixing the first stream with reducing gas containing heavier hydrocarbons than methane.