Degradation and stabilization of coal-derived liquid. III. Coloration and compatibility of raw coal-derived liquid and hydrotreated oils.:Coloration and Compatibility of Raw Coal-Derived Liquid and Hydrotreated Oils
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Coloration and compatibility with commercial gas oil have been studied on raw coal-derived liquid and three kinds of hydrotreated oils. Following results have been obtained:<BR>(1) Irradiation of coal-derived liquid accelerated coloration significantly.<BR>(2) Oxidation of coal-derived liquid caused coloration. High boiling range fraction showed stronger coloration than low boiling range fraction.<BR>(3) The extent of coloration correlated well with the content of nitrogen in oils.<BR>(4) Hydrotreating of coal-derived liquid improved color stability.<BR>(5) The coal-derived liquid suppressed the oxidation of a-methylstyrene and reac-ted with galvinoxyl, the extent being more significant for liquid with higher nitrogen content.<BR>(6) Compatibility of raw coal-derived liquid with commercial gas oil was deterio-rated by oxidation.
- 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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