Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 36, Issue 9
Displaying 1-17 of 17 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1957 Volume 36 Issue 9 Pages 675
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.675
    JOURNAL FREE ACCESS
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  • New Coal Chemical Industry
    Matake Kurokawa
    1957 Volume 36 Issue 9 Pages 676-683
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.676
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    Recently the author emphasized the necessity of the new coal chemical industry as a new aspect of coal utilization, and in this report it has been discussed on technical and enterprising points of view. The conclusions derived can be summarized as follows.
    Coal in future must be more highly utilized owing to the increase of its demand and the developmlent of atomic power. Accordingly, coal chemical industries must be more developed and for this purpose, research activities should be promoted to develop new technologies. It is strongly hoped that coal mining industry is cross-linked with other chemical industries, gas enterprise, etc, and that the synthetic coal chemical works are constructed which realize the synthetic plan on state national and the gas pipe lines are established which play important parts in cross-linking among each enterprise.
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  • Otto Slag Bed Gasifier
    Ryoichi Takashima
    1957 Volume 36 Issue 9 Pages 684-688
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.684
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    The consumption of coal in every country increases year by year and especially coking coal is gradually subjected to many restrictions.
    Except U. S. and Italy which abound in petroleum resources, many countries are faced to the circumstances under which they must rapidly devolop the gasification of non-caking coal or low-grade coal.
    The studies of complete gasification of non-caking coal progress in Germany and follo-wing the Lurgi high pressure gasfier and the Coppers-Totzek gasification furnace which have already been put into commercial operation, Otto slag bed gasifier was established in 1956 at the Wesseling synthetic works in Cologne near DLisseldorf: and has heen successfully operated.
    The author describes in this paper the outline of this gasifier and its operation re-sults.
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  • Manufacturing of Carbon Material from Coal
    Hidemasa Honda, Naoyuki Mochida, Yuzo Sanada
    1957 Volume 36 Issue 9 Pages 689-695
    Published: September 20, 1957
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.36.689
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    carbon is manufactured as follows: mixing finely ground coke with coal tar pitch, moulding or extruding the mixture, heating in a non-oxidizing atmosphere to about 1, 000° and graphitizing at above 2, 500°.
    On the other hand, coal, especialy caking coal, has chemical and phsysical properties intermediate between these of coke and pitch, Therefore finely grounded caking coal can be moulding without binder and this block is carbonized or graphitized as usual
    This carbon article has almost same chemical and physical properties as traditional carbon, The characteristics of this carbon article are large mechanical strength and small Young's modulus.
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  • Hydrogenolysis of Coal
    Shigeo Noda, Takao Matsuda, Takashi Takahashi, Tsuneo Kakuzen
    1957 Volume 36 Issue 9 Pages 696-711
    Published: September 20, 1957
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.36.696
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    The authers discussed about the method to obtain chemicals by hydro .genolysis of coal, and a process to combine hydrogenolysis of coal in liquid phase with reforming of the liquefied oil was suggested. The possibility of the above process on Miike Coal and the other hydrocarbons was examined by the non-continuous operatian .
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  • Degradation Products of Coal Hydrogenolysis under Mild Conditions
    Tsutomu Sakabe, Koji Ouchi, Rokuro Sassa, Hidemasa Honda
    1957 Volume 36 Issue 9 Pages 712-722
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.712
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    Ubari coal was hydrogenated at the initial hydrogen pressure of 100atm and the reaction temperature of 3600°-370° using copper-barium-chromium oxide catalyst.
    The products which were soluble in petroleum ether were devided into three parts of basic, acidic and neutral, and the degradation products were fractionated after methy-lation of the acidic and wax elimination and dehydrogenation of the neutral
    The aromatic ring structure analysis was made from the determinations of mean molecular formula, molecular refraction, molecular magnetic susceptibility and mole-cular heat of combustion of each fractions. The structure of polymerization unit of coal was discussed based on the above results of the aromatic ring structure analysis.
    The results obtained show that the polymerization unit in the degradation products has aromatic ring structure from one to four benzene ring and that the ring condensation type is mainly cata condensed and about 53-63% of all carbon atoms is in these aromatic rings.
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  • Oxidation of Lignite to Chemicals by Nitric Acid
    The optimum condition, for the decomposition of lignite
    Kozo Higuchi, Thkuzo Arai, Kazuo Asakawa, Michio Tsuyuguchi
    1957 Volume 36 Issue 9 Pages 723-729
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.723
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    L-can be converted easily in various yields to water soluble products, intermediate in molecular size between coal and carbon dioxide, combining by reaction with nitric acid and reaction times.
    Both products which are water soluble and ether extractable were determined, and carbon dioxide too. The reaction is effected by the consumption of nitric acid only, but the reaction rate decreases with the decrease of concentration of nitric acid, and the products are decomposed secondarily by reaction with the residual nitric acid. Therefore, reaction time should not be so long.
    The concentration of nitric acid should be from 15 to 20 per cent, and reaction from 5 to 10 hrs. as the optimum condition for the decomposition of lignite.
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 730
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.730
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 733
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.733
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 734
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.734
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 735
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.735
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 736-740
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.736
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 741-743
    Published: September 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.741
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 732-733
    Published: September 20, 1957
    Released on J-STAGE: May 16, 2013
    DOIhttps://doi.org/10.3775/jie.36.732
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 743-744
    Published: September 20, 1957
    Released on J-STAGE: May 16, 2013
    DOIhttps://doi.org/10.3775/jie.36.743
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 733a-734
    Published: September 20, 1957
    Released on J-STAGE: May 16, 2013
    DOIhttps://doi.org/10.3775/jie.36.733a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 9 Pages 734a-735
    Published: September 20, 1957
    Released on J-STAGE: May 16, 2013
    DOIhttps://doi.org/10.3775/jie.36.734a
    JOURNAL FREE ACCESS
    Download PDF (405K)
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