Construction of new principle of ironmaking process enabled to decrease by half in CO_2 emissions

构建炼铁工艺新原理使CO_2排放量减少一半

• 批准号: 20246111
• 负责人: KASAI Eiki
• 金额: $ 30.53万
• 依托单位: Tohoku University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 2008
• 资助国家: 日本
• 起止时间: 2008 至 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-20246111/
• 关键词: 二酸化炭素排出削減; 超高圧製錬; 省エネプロセス; 極限環境・環境調和型プロセス; 酸化鉄還元反応; 高結晶水鉱石; 還元材資源; 複合原料粒子

The reduction of carbon dioxide emissions has been urgently required to cope with the global warming. Iron and steel industry occupies approximately 14%of the anthropogenic greenhouse gas emissions of Japan. Drastic change of the properties is expected on the natural resources of ironmaking process, i. e., iron ore and coal. Therefore, it is important to positively utilize such change. The objective of the present study is to search for a new principle of ironmaking process, which can significantly reduce carbon dioxide emission. A series of the reduction experiments was carried out using composite materials of iron ore and carbonaceous materials under 80 atm at the elevated temperature. The database of the reduction behavior was prepared. Further, the optimum structure of the composite and new process principle was proposed.

为了科普全球变暖，迫切需要减少二氧化碳排放。钢铁工业约占日本人为温室气体排放量的14%。炼铁过程中的自然资源，即铁的性质预计将发生巨大变化。例如，铁矿石和煤炭。因此，必须积极利用这种变化。本研究的目的是寻找一种能显著降低CO2排放的新的炼铁工艺原理。在80 atm高温下，用铁矿石和碳质材料的复合材料进行了一系列还原实验。建立了还原行为数据库。提出了复合材料的最佳结构和新的工艺原则。

项目成果

Reduction Behavior of Hematite Composite Containing Polyethylene and Graphite with Different Structures with Increasing Temperature

• DOI: 10.2355/isijinternational.49.809
• 发表时间: 2009-06
• 期刊: Isij International
• 影响因子: 1.8
• 作者: T. Murakami;Takumi Akiyama;E. Kasai

Effect of Specific Surface Area of Iron Oxide on Reduction Behavior of Hematite Gomnosite with Polyethylene and Graphite

氧化铁比表面积对聚乙烯和石墨还原赤铁矿菱锰矿行为的影响

• 发表时间: 2010
• 作者: T.Mwakami;E.Kasai
• 通讯作者: E.Kasai

Reduction Mechanism of Iron Oxide-Carbon Composite with Polyethylene at Lower Temperature

• DOI: 10.2355/isijinternational.51.9
• 发表时间: 2011-01-01
• 期刊: ISIJ INTERNATIONAL
• 影响因子: 1.8
• 作者: Murakami, Taichi;Kasai, Eiki
• 通讯作者: Kasai, Eiki

Reduction and Gasification Behavior of the Composite of Coal and Iron Ores Containing Different Concentration of Combined Water

不同浓度化合水的煤铁矿石复合物的还原与气化行为

• 发表时间: 2008
• 期刊: Proceedings of 7th Japan-Brazil Symposium on Dust Processing-Energy-Environment in Metallurgical Industries
• 作者: Taichi Murakami;and Eiki Kasai
• 通讯作者: and Eiki Kasai

炭材一鉄鉱石コンポジットの反応挙動に及ぼす鉱石粒径の影響

矿石粒度对碳质-铁矿石复合材料反应行为的影响

• 发表时间: 2008
• 作者: 村上太一;西村健;葛西栄輝
• 通讯作者: 葛西栄輝