87.石炭液化油の着火性向上に関する研究

概要

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The objective of this study is to improve the ignition quality of coal derived liquids in order to utilize coal derived liquids as a diesel fuel. First, cetane numbers of typical ingredients involved in coal derived liquids were measured by a CFR engine and the relationship between cetane numbers and the chemical structure was investigated. As a result, straight chain hydrocarbons have high ignition quality. Also, the more the number of carbon, the higher ignition quality straight chain hydrocarbons have. On the other hand, hydrocarbons having cyclic structures have lower ignition quality than straight chain hydrocarbons. Next, cetane number improving agents were added into model fuels of coal derived liquids and of light oil which has a same ignition quality in order to investigate the effects of cetane number improving agents on cetane number improvement. As a result, the cetane number of a model fuel of coal derived liquids with a cetane improving agent was higher than that of light oil with a cetane improving agent. Furthermore the cetane number of a model fuel of coal derived liquids with 2.0vol.% cetane improving agents was nearly same as a commercial light oil, suggesting that the coal derived liquids with 2.0vol.% cetane improving agents could be used for diesel fuels.
一般社団法人日本エネルギー学会の論文
2001-11-13