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. 22, 2025

Filed:

Feb. 04, 2021
Applicant:

Tenova S.p.a., Milan, IT;

Inventors:

Marta Guzzon, Pero, IT;

Enrico Malfa, Zanica, IT;

Lucio Bozzetti, Arona, IT;

Mattia Bissoli, Bovolone, IT;

Fabio Praolini, Cantello, IT;

Assignee:

TENOVA S.P.A., MILANO, IT;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C21B 3/08 (2006.01);
U.S. Cl.
CPC ...
C21B 3/08 (2013.01); C21B 2400/026 (2018.08); C21B 2400/062 (2018.08);
Abstract

A process for the granulation of slag deriving from iron and steel production, in particular a process for the granulation of slag in air, and an apparatus configured to perform this process, provide for the production of granulates with different characteristics depending on the intended use, thus making this process and apparatus particularly versatile. More specifically, a process according to the present invention includes a step of controlling and modifying the time and/or the cooling rate of the slag granules so as to obtain slag granules having desired morphological features.


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