53.一部溶解した酸化改質炭スラリーの迅速熱分解

概要

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We have recently proposed that flash pyrolysis of coal-solvent slurry will be a promising process for recovering valuable chemicals in high yields from coal under mild conditions. In this study the improvement of the above method was tried by modifying coal through H_2O_2 oxidation at 60℃. This treatment changes the coal into more flexible structure, and the oxidized coal is dissolved to a large extent in methanol based mixed solvent. The slurry prepared from the oxidized coal and methanol based mixed solvent was pyrolyzed in a free fall pyrolyzer at 923 to 1123K. This method realized significant increases in the yields of total volatiles, liquids and BTX. It was found that the amount of total volatile increased surprisingly up to 85kg/100kg, when the coal dissolved in methanol based mixed solvent was pyrolyzed.
一般社団法人日本エネルギー学会の論文
1996-10-28