TANSO
Online ISSN : 1884-5495
Print ISSN : 0371-5345
ISSN-L : 0371-5345
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Volume 1976, Issue 85
Displaying 1-7 of 7 articles from this issue
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  • Influence of Coexistent Materials on the Formation of Carbonaceous Mesophase in Pitch (3)
    Effect of Ferrocene on Nucleation and Growth Processes of Mesophase
    Shoichi OI, Yasuhiro YAMADA, Hidemasa HONDA
    1976 Volume 1976 Issue 85 Pages 47-54
    Published: April 30, 1976
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1976.47
    JOURNAL FREE ACCESS
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    The effect of ferrocene in pitch on nucleation and growth processes of mesophase was investigated from the behavior of iron. The quinoline soluble coal-tar pitch to which ferrocene was added, was heat-treated at 430°C for a certain period. Quinoline insoluble part in the heat-treated pitch was separated by solvent extraction with quinoline. Then, the quinoline insoluble part was treated with HCl. Iron contents in the heat-treated pitch, the quinoline insoluble part, and the quinoline insoluble part treated with HCl were examined. The obtained results are as follows.
    Ferrocene added in pitch was already decomposed at 430°C and changed into the fine crystals of α-Fe and FeS, which covered the surface of mesophase spherules formed in pitch. The mesophase spherules were found to have almost the same size. Amounts of mesophase formation in the ferrocene-added pitch were larger than those in the pitch having no ferrocene content. From these results, it is considered that the iron crystals controll the size of mesophase spherules and accelerate the mesophase formation. Furthermore, when the mesophase coalesces each other, the crystals not only covers the surface of the coalesced mesophase but also exists inside the mesophase.
    It is also made clear that the shape of mesophase spherules changes from lemon-like form to spherical form with growth of mesophase spherules.
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  • Studies on Carbonization of Petroleum Residues
    Relationships between Charactenstics of Petroleum Residues and Physical Properties of Petroleum Cokes derived from them
    Mitsunao KAKUTA, Noriyuki TUCHIYA, Masato KOORIKI
    1976 Volume 1976 Issue 85 Pages 55-61
    Published: April 30, 1976
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1976.55
    JOURNAL FREE ACCESS
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    The relationships among physical properties of cokes derived from petroleum residues, characteristics of feedstocks and coking conditions, are investigated
    Sample used in this study is selected decant oils from catalytic cracking process and is fractionated into two parts, namely aromatics and saturates
    The results from our studies on component analysis of the fractions and coking test distinctly show that the coefficient of thermal expansion of cokes is related not only to the aromatics content in feed oils, but also to the roles of saturates during the mesophase transformation. These are found to be consistent with the fluidity behaviors observed by using a Gieseler plastmeter and the microscopic observations of the texture in cokes
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  • Rapid Carbonization of Cured Resin containing Explosives
    Kazuro KAWAMURA
    1976 Volume 1976 Issue 85 Pages 62-66
    Published: April 30, 1976
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1976.62
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  • Test-results on Utilization of Carbon-glass Fiber Composite as a Surface Heater
    Michio HORIE, Koji OUCHI
    1976 Volume 1976 Issue 85 Pages 66-68
    Published: April 30, 1976
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1976.66
    JOURNAL FREE ACCESS
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  • High Density Graphites prepared by Heat Treatment of Fine Powder of Coke under 5 kbar
    Michio INAGAKI, Yoshihiro MIWA
    1976 Volume 1976 Issue 85 Pages 69-70
    Published: April 30, 1976
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1976.69
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1976 Volume 1976 Issue 85 Pages 71-79
    Published: April 30, 1976
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1976.71
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1976 Volume 1976 Issue 85 Pages 80-85
    Published: April 30, 1976
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1976.80
    JOURNAL FREE ACCESS
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