Reaction mechanism of coal hydrogenation. 3. Effect of coal type

Seven coals have been hydrogenated in naphthalene and phenanthrene under 10 MPa (initial pressure) of hydrogen with a stabilized niekel catalyst at 400°C for 15 min. Preasphaltene, asphaltene and oil conversions and solvent conversion were measured. The amounts of hydrogen absorbed by coal and by so...

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Published inFuel (Guildford) Vol. 64; no. 10; pp. 1391 - 1393
Main Authors Ouchi, Koji, Ohe, Setsuo, Makabe, Masataka, Itoh, Hironori
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.01.1985
Subjects
coal
hydrogenation
reaction mechanism
reaction mechanism
coal
hydrogenation
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Abstract Seven coals have been hydrogenated in naphthalene and phenanthrene under 10 MPa (initial pressure) of hydrogen with a stabilized niekel catalyst at 400°C for 15 min. Preasphaltene, asphaltene and oil conversions and solvent conversion were measured. The amounts of hydrogen absorbed by coal and by solvent were calculated. Coal conversion and the amount of hydrogen absorbed by coal decreased, while the amount of hydrogen absorbed by solvent increased, with increase in coal rank. The ratio of the amounts of hydrogen absorbed by coal and by solvent showed a good correlation with conversion to benzene- and n-hexanesoluble materials. Naphthalene and phenanthrene gave similar results, suggesting that the coal was hydrogenated directly by gaseous hydrogen.
AbstractList Seven coals have been hydrogenated in naphthalene and phenanthrene under 10 MPa (initial pressure) of hydrogen with a stabilized niekel catalyst at 400°C for 15 min. Preasphaltene, asphaltene and oil conversions and solvent conversion were measured. The amounts of hydrogen absorbed by coal and by solvent were calculated. Coal conversion and the amount of hydrogen absorbed by coal decreased, while the amount of hydrogen absorbed by solvent increased, with increase in coal rank. The ratio of the amounts of hydrogen absorbed by coal and by solvent showed a good correlation with conversion to benzene- and n-hexanesoluble materials. Naphthalene and phenanthrene gave similar results, suggesting that the coal was hydrogenated directly by gaseous hydrogen.
Author Makabe, Masataka
Ouchi, Koji
Itoh, Hironori
Ohe, Setsuo
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CitedBy_id crossref_primary_10_1088_0022_3727_42_5_055505
crossref_primary_10_1021_acs_energyfuels_6b02223
crossref_primary_10_1246_bcsj_60_2967
crossref_primary_10_1016_0016_2361_86_90026_8
crossref_primary_10_1016_0378_3820_87_90050_6
crossref_primary_10_1016_0016_2361_89_90297_4
Cites_doi 10.1016/0016-2361(78)90003-0
10.1016/0016-2361(84)90150-9
10.1016/0016-2361(84)90025-5
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Ohe, Itoh, Makabe, Ouchi (BIB1) 1985; 64
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SubjectTerms coal
hydrogenation
reaction mechanism
Title Reaction mechanism of coal hydrogenation. 3. Effect of coal type
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