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Article type: Cover
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Published: July 26, 1994
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Article type: Appendix
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Published: July 26, 1994
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Article type: Appendix
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Published: July 26, 1994
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Article type: Appendix
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Published: July 26, 1994
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Article type: Appendix
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Published: July 26, 1994
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Article type: Index
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Published: July 26, 1994
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Article type: Appendix
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Published: July 26, 1994
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Fumiki Ueda, Kazuo Nomura
Article type: Article
Session ID: 1-1
Published: July 26, 1994
Released on J-STAGE: March 22, 2017
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[in Japanese]
Article type: Article
Session ID: 1-2
Published: July 26, 1994
Released on J-STAGE: March 22, 2017
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E. Harada, N. Kumada, T. Ino, K. Kawamura
Article type: Article
Session ID: 1-3
Published: July 26, 1994
Released on J-STAGE: March 22, 2017
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Takayuki Takarada, Hiroki Ishikawa, Hideomi Abe, Yasuo Nakaike
Article type: Article
Session ID: 1-4
Published: July 26, 1994
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C. Aida, S.Y. Lin, T. Suzuki, H. Kamiya, M. Horio
Article type: Article
Session ID: 1-5
Published: July 26, 1994
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T. Suzuki, S.Y. Lin, C. Aida, H. kamiya, M. Horio
Article type: Article
Session ID: 1-6
Published: July 26, 1994
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Mamoru KAIHO
Article type: Article
Session ID: 1-7
Published: July 26, 1994
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Article type: Appendix
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App6-
Published: July 26, 1994
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Yoshitaka NITTA
Article type: Article
Session ID: 2-1
Published: July 26, 1994
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Hajime Oshitani
Article type: Article
Session ID: 2-2
Published: July 26, 1994
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Toshinori KOJIMA
Article type: Article
Session ID: 2-3
Published: July 26, 1994
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[in Japanese]
Article type: Article
Session ID: 2-4
Published: July 26, 1994
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Masaaki TAMAYAMA
Article type: Article
Session ID: 2-5
Published: July 26, 1994
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Article type: Appendix
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App7-
Published: July 26, 1994
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Shigeru Futamura
Article type: Article
Session ID: 3-1
Published: July 26, 1994
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Shinobu Amamoto
Article type: Article
Session ID: 3-2
Published: July 26, 1994
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Takeshi suzuki
Article type: Article
Session ID: 3-2
Published: July 26, 1994
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[in Japanese]
Article type: Article
Session ID: 3-3
Published: July 26, 1994
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Masahiko MATSUKATA
Article type: Article
Session ID: 3-4
Published: July 26, 1994
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Environmental issues in deleloping countires is significantly linked to energy issues. Partiuculraly, energy supply in Pacific Rim including Asian countries will become a main issue in the 21st century. Coal will still be one of main enegy source in the mid-21st century. What we must do is to develop technologies to supply and utilize coal at higher efficiency. For this porpose, strategy to utilize coal incuding all process from coal mining to enery production process is required.
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Article type: Appendix
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Published: July 26, 1994
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Hisashi KATO
Article type: Article
Session ID: 4-1
Published: July 26, 1994
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Ken-ichiro Ogawa
Article type: Article
Session ID: 4-2
Published: July 26, 1994
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Sakura Sakakibara
Article type: Article
Session ID: 4-3
Published: July 26, 1994
Released on J-STAGE: March 22, 2017
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[in Japanese]
Article type: Article
Session ID: 4-4
Published: July 26, 1994
Released on J-STAGE: March 22, 2017
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Article type: Appendix
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App9-
Published: July 26, 1994
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Shigeru Futamura
Article type: Article
Session ID: 5-1
Published: July 26, 1994
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Kazuhiro Mae, Kouichi Miura
Article type: Article
Session ID: 5-2
Published: July 26, 1994
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Iruru TAKAHASHI, Hiroshi UCHIDA
Article type: Article
Session ID: 5-3
Published: July 26, 1994
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Zhan-Guo Zhang, Metta Chareonpanich, Akira Tomita, Akio Nishijima
Article type: Article
Session ID: 5-4
Published: July 26, 1994
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Kenji MURAKAMI, Hiroyuki SHIRATO, Jun-ichi OZAKI, Yoshiyuki NISHIYAMA
Article type: Article
Session ID: 5-5
Published: July 26, 1994
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Hiroyuki Kozuru, Takafumi Kawamura, Shigeru Hashimoto, Hiroshi Iida
Article type: Article
Session ID: 5-6
Published: July 26, 1994
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Jian-Li SHEN, Toshimasa TAKANOHASHI, Masashi IINO
Article type: Article
Session ID: 5-7
Published: July 26, 1994
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Retrogressive reaction of the solubles, i.e., its conversion to solvent insolubles, was found to occur in tetralin or naphthalene at temperatures as low as 100℃,175℃ and 250℃. While, the retrogressive reaction was suppressed by adding 9, 10-dihydroanthracene or 1, 4, 5, 8, 9, 10-hexahydro-anthracene, which are much stronger donors than tetralin or naphthalene. Moreover, by these treatment in stronger donors, the lighter fraction was formed. It is noted that the quantity of hydrogen transferred from the hydrogen donor solvents was well correlated with the extent of dissolution reaction by the heat treatment, suggesting that the hydrogen abstraction of coal radicals from the solvents occurs even at such low temperatures. The origin of the coal radicals and the mechanism of hydrogen transfer between coal and solvent at low temperature are discussed.
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Satoru Murata, Takeshi Muratani, Yasuhiro Tajima, Masakatsu Nomura
Article type: Article
Session ID: 5-8
Published: July 26, 1994
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Liquefaction of Akabira coal (C 81.0 wt%, daf) with SnCl_2-KCl (3:2, molar ratio) under hydrogen or deuterium pressure (25 kg/cm^2) at 400℃ for 1 h was carried out. The products were divided into gas, hexane soluble (HS), hexane insoluble-benzene soluble (HI/BS), and benzene insolublepyridine soluble fractions (BI/PS), summation of their yields reaching to 90 % based on daf coal. The lightest fraction (25 %), HS fraction, was analyzed by 1^H-, 2^H-, and 13^C-NMR and pyrolysis GC/MS, these suggesting that deuterium was mainly introduced into terminal methyl groups of longer aliphatic hydrocarbons and α-methyl groups attached to aromatic moieties. On the basis of these results mechanism for this liquefaction reaction was briefly discussed.
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Tohru Kamo, James G. Steer, Karlis Muehlenbachs
Article type: Article
Session ID: 5-9
Published: July 26, 1994
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Naoki IKENAGA, Toshimitsu SUZUKI
Article type: Article
Session ID: 5-10
Published: July 26, 1994
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In order to discuss hydrogen transfer process in coal liquefaction with acatalyst and a hydrogen-donor solvent, hydroliquefaction of Yallourn, Wyoming coal and cracking of benzyl phenyl ether in tetralin or tetralin/naphthalene mixed solvents were carried out under a hydrogen atmosphere with highly dispersed catalyst. It was suggested that the direct hydrogen transfer from gas phase hydrogen to thermally decomposed free radicals occurred significantly in the presence of dispersed Ru or Mo catalysts even in the presence of tetralin.
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Kinya SAKANISHI, Isao MOCHIDA
Article type: Article
Session ID: 5-11
Published: July 26, 1994
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Yoshiki SATO
Article type: Article
Session ID: 5-12
Published: July 26, 1994
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Motoyuki SUGANO, Kenichi KOYAMA, Michiyo OHHASHI, Kiyoshi MASHIMO, Toh ...
Article type: Article
Session ID: 5-13
Published: July 26, 1994
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Mikio MIYAKE, Katsuyuki TAKAHASHI, Jun HIGASHINE, Akihiro KIDO, Masaka ...
Article type: Article
Session ID: 5-14
Published: July 26, 1994
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Tadashi YOSHIDA, Masahide SASAKI, Hiroshi NAGAISHI, Mitsuyoshi YAMAMOT ...
Article type: Article
Session ID: 5-15
Published: July 26, 1994
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Katsumi HIRANO, Masato KOUZU, Takashi HAYASHI, Keiichi HAYAKAWA
Article type: Article
Session ID: 5-16
Published: July 26, 1994
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The role of donor hydrogen and gaseous hydrogen in the NEDOL process was investigated with a 51 batch-autoclave. The following conclusions are obtained. (1) Both donor hydrogen in the recycle solvent and gaseous hydrogen contribute to the coal liquefaction reaction. The donor hydrogen is superior bacause it largely promotes liquid-phase reaction. (2) The hydrocraking reaction of the solvent occures under coal liquefaction conditions, and gaseous hydrogen is transferred to the solvent. (3) Sever conditions in the solvent hydrogenation reaction are needed in order to make use of hydrogen effectively and obtain high oil yield.
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Osamu Okuma, Toshinori Inoue, Motoharu Yasumuro, Tetsuo Matsumura
Article type: Article
Session ID: 5-17
Published: July 26, 1994
Released on J-STAGE: March 22, 2017
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Article type: Appendix
Pages
App10-
Published: July 26, 1994
Released on J-STAGE: March 22, 2017
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