:Effects of Pressure, Temperature, Catalyst Addition, Kinds of Solvents and Gas Atmosphere on Coal Conversion
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Effects of pressures, temperatures, catalyst addition, and kinds of solvents and atmospheric gases on coal liquefaction of Taiheiyo coal were examined using a c. s. t. reactor and the following conclusions were obtained.<BR>1. The experimental results were correlated by the following rate equation 1-X=X/ (kθ) +α where the value of α was affected only by temperature, and the value of k varried with reaction conditions.<BR>2. A coal liquefaction mechanism was estimated to involve the following two steps; (1) thermal cracking of coal and intermediates, and stabilization of them by hydrogen donor components which was a noncatalytic liquid-liquid reaction, (2) reproduction of the donor components by gaseous hydrogen which was a gasliquid catalytic reaction, and it was found that the rate determining step of coal liquefaction was considerably affected by the amount of donor components.<BR>By this reaction mechanism, effects of pressures, kinds of solvents and catalyst addition on coal liquefaction observed in the present experiment and also those found in literatures could be reasonably explained.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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