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. 14, 2015
Filed:
Apr. 12, 2011
Applicants:
Kurt Lukschander, Schwertberg, AT;
Ulrike Schmidt, Leonding, AT;
Inventors:
Kurt Lukschander, Schwertberg, AT;
Ulrike Schmidt, Leonding, AT;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21B 11/00 (2006.01); C21B 5/06 (2006.01); C02F 1/20 (2006.01); C10K 1/10 (2006.01); C02F 101/32 (2006.01); C02F 103/16 (2006.01); C02F 103/18 (2006.01);
U.S. Cl.
CPC ...
C21B 5/06 (2013.01); C02F 1/20 (2013.01); C02F 2101/322 (2013.01); C02F 2103/16 (2013.01); C02F 2103/18 (2013.01); C02F 2303/10 (2013.01); C10K 1/10 (2013.01);
Abstract
A process for producing pig iron or liquid primary steel products is provided. Charge materials containing iron ore and, if appropriate, additions are reduced in at least one reduction unit by means of a reducing gas, and at least parts thereof are smelted in a smelting unit, with coal being added and with formation of the reducing gas. Reducing gas from the smelting unit and/or top gas from the reduction unit are/is subjected to cleaning. The process water obtained during the wet cleaning is degassed and in the process volatile organic compounds are removed from the process water.