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Determination of metallurgical coke reactivity at INCAR: NSC and ECE-INCAR reactivity tests

AuthorsMenéndez Díaz, José Ángel ; Álvarez García, Ramón ; Pis Martínez, José Juan
KeywordsMetallurgical cokes
Coke reactivity index (CRI)
Coke strength after reaction (CSR)
Nippon Steel Corp. (NSC) based test
ECE-INCAR reactivity test
Spanish National Coal Institute (INCAR)
Issue DateApr-1999
PublisherW.S. Maney & Son
CitationIronmaking & Steelmaking 26(2): 117-121 (1999)
AbstractCertain aspects of the Nippon Steel Corp. (NSC) based test for measuring metallurgical coke reactivity were studied at the Spanish National Coal Institute (INCAR). It was found that some highly reactive cokes do not follow the correlation between the coke reactivity index (CRI) and the coke strength after reaction (CSR) observed in most metallurgical cokes. It was proved that the temperature of the furnace at the beginning of the NSC test is irrelevant to the subsequent determination of CRI and CSR. By starting the test with a hot furnace, the total operation time and energy consumption can be reduced. In addition, a good correlation was found between the NSC test and a simpler and more economical test: the ECE-INCAR reactivity test.
Description5 pages, 5 figures.
Publisher version (URL)http://dx.doi.org/10.1179/030192399676997
Appears in Collections:(INCAR) Artículos
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