Current technology and future aspect on CO2mitigation in japanese steel industry

Tatsuro Ariyama, Shigeru Ueda, Shungo Natsui, Ryo Inoue, Michitaka Sato

研究成果: Paper査読

7 被引用数 (Scopus)

抄録

Japanese steel industry has been promoting significant efforts to decrease CO2 emissions, in addition to the active introduction of a lot of energy-saving processes in the past. Energy saving systems like CDQ in coke oven and TRT in blast furnace have been perfectly introduced into the steel works. The inner volume of the blast furnace in Japan was frequently enlarged over 5000 m3 at the relining of blast furnace to increase production rate until 2008. The low reducing rate operation in large blast furnace is presently required for decreasing carbon input to steel works. In parallel to these efforts, as the realistic solution to reach the target of CO2 reduction declared in the voluntary plan based on Kyoto Protocol, Japanese steel industry is planning to use CDM (Clean Development Mechanism) and emission trading to compensate the difference between the target and the actual value. Currently, the middle-term or long-term numerical target to cut greenhouse gas emissions is a hot issue in the next step. From the long-term perspective, new project has started to develop the new burden production process for low carbon blast furnace. Moreover, the aggressive utilization of hydrogen derived from coke oven gas and the CO2 capture process have been investigated as the large-scale project included in the Cool Earth-Innovative Energy Technology Program of the government plan. These recent situations described above in Japan are described in this report.

本文言語English
ページ55-62
ページ数8
出版ステータスPublished - 2009 12 1
イベント5th International Congress on the Science and Technology of Ironmaking, ICSTI 2009 - Shanghai, China
継続期間: 2009 10 202009 10 22

Other

Other5th International Congress on the Science and Technology of Ironmaking, ICSTI 2009
国/地域China
CityShanghai
Period09/10/2009/10/22

ASJC Scopus subject areas

  • 金属および合金

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