石炭利用技術開発の課題と今後の戦略(<特集>日本における石炭利用技術の開発と商業化(I))

概要

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Coal has crucial importance as a primary energy resource in 21st century because coal is reserved enormously and distributed in worldwide. As Japan imports most of coal and coal demand in Japan has increased in recent years, it is important to develop advanced CCT (Clean Coal Technology) in which coal is used more efficiently and environmental issues are few generated. In order to ensure more effective use of coal while searching for solution to global environmental problems, various approaches should be tried. As desirable steps to accomplish these approaches, high-efficiency coal use technology should be developed, nearly zero-emission from coal using systems should be realized, and diversified. Although much effort has been made to achieve CCTs, from now on we should take up a comprehensive theme where CO_2 reduction takes the highest priority. The CCTs are required to ensure a wide-ranged reduction in CO_2 emission. This paper shows a recent progress and a strategy for the first 30 years of the 21st century of CCT development in Japan.
2003-11-20