Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Technological Progresses and Researches on Blast Furnace Ironmaking in The New Century
Masakata SHIMIZUMasaaki NAITO
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2006 Volume 92 Issue 12 Pages 694-702

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Abstract

Philosophy and business circumstances of Japanese steel industry have drastically changed in the new century. New standpoint of steel industry has to be in responsible consideration for raw material resources, energy and environmental protection. With ratification of the Kyoto Protocol, Japanese Steel Federation has set a voluntary reduction plan of CO2 emission by 10.5% to the one in 1990. Therefore, new process developments and researches for CO2 reduction have been promoted in the ironmaking field as a major contributor of energy consumption. Furthermore, recycling use of waste materials, such as blast furnace dust, mill scale and waste plastic, were proceeded in the ironmaking process for construction of the materials recycling system. Advanced process developments and research results were introduced and future prospects of the basic research have been discussed to reinforce ironmaking technology.

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© The Iron and Steel Institute of Japan
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