自然エネルギーと石炭を利用したグリーンフューエル製造(<特集>熱利用技術の新展開 : 太陽エネルギー利用とクリーン燃料製造)

概要

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Decreasing carbon dioxide emission from coal is essential to enhance coal utilization in the future. Several systems combining coal with natural energy to produce synthetic gas or liquid fuel have been recently proposed. This paper describes a new system to produce liquid fuel like methanol with CO_2 zero emission as well as previous proposed ideas and experiments. In this system, the heat required for endothermic reaction is supplied from natural energy such as hydraulic-, solar-, or wind-generated power. Preheating technology of coal-water mixture (CWM) is the core technology to realize the process, because natural energy is used as vaporization of water and decreases oxygen consumption in the gasifiers. The internal autothermal steam reforming of methane is also the core technology to avoid CO_2 emission. The bench-scale tests for both technologies were conducted to gather process design data.
一般社団法人日本エネルギー学会の論文
2004-12-20