Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 40, Issue 9
Displaying 1-14 of 14 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1961 Volume 40 Issue 9 Pages 676
    Published: September 20, 1961
    Released on J-STAGE: May 16, 2013
    DOIhttps://doi.org/10.3775/jie.40.676
    JOURNAL FREE ACCESS
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  • Application of Sohock Tube to High Temperature Chemistry
    Tetsuro Asaba
    1961 Volume 40 Issue 9 Pages 677-690
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.677
    JOURNAL FREE ACCESS
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    the past several years, shock tubes have been applied successfully to the studies on the high temperature physical chemistry, such as combustion, detonation, rapid reactions, dissociation energies, excitation states, and the chemical equilibrium.
    The theoretical and experimetal fundamentals of shock tubes were outlined and literatures of shock tube studies applied to chemistry to chemistry were reviwed.
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  • Recent Advances in Carbon Industries
    Masao Nagai
    1961 Volume 40 Issue 9 Pages 691-695
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.691
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    Recently carbon industries have made remarkable progress as the sources of various industry materials.This report has described the recent progress and new branches of high-density graphite for the atomic energy, non-permeable carbon for various chemical industries, graphite fibre, polymer carbon and the synthesis of diamond .
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  • Future of the British Solid Smokeless Fuel Industry
    Outline of the Report of the Committee on Solid Smokeless Fuels in the United Kingdom
    Shohei Tatebayashi
    1961 Volume 40 Issue 9 Pages 696-701
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.696
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    The author describes outline of the Report of the Committee on Solid Smokeless Fuels, so-called Peech Report, which was presented to the British Paliament by the Ministry of Power by Command of Her Majesty, April 1960.
    The Committee were appointed on 3rd April, 1959, with the following terms ot reterence: -
    “In connection with the requirements for solid smokeless fuels arising from the implementation of the Clean Air Acts, and in order to secure the maximum benefits to the public thereunder, and in view of increasing general public demand for these fuels, to inquire into the availability and suitability of smokeless fuels and plans for their future production, the adequancy of present arrangements and future plans for their distribution”.
    This report would be a very valuable information to know about British smokeless fuels industry.We believe that British solid smokeless fuels industry will be welldeveloped as a part of over-all clean air programmes.
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  • Studies on the Oxidative Degradation of Coal (VIII)
    Hydrogenolysis of Bituminous Coal, and Humic Acid in the Presence of Adkins Copper-Chromite Catalyst.
    Yoshinobu Takegami, Shigeru Kajiyama, Chikao Yokokawa
    1961 Volume 40 Issue 9 Pages 702-710
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.702
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    Hydrogenolysis of Onoura bituminous coal and the humic acid, obtained from it by boiling with 1N HNO3, was carried out in the presence of Adkin's CuCr2O4 catalyst.
    Oxygen balance in hydrogenolysis process leads to the conclusion that the formation of benzene soluble product is ascribed to the cleavage of ether-oxygen-bond in the coal and this product is closely related with the structureal unit of coal.Molecula rweight of benzene soluble product from Onoura bituminous coal and humic acid is ca.500 and 300 respectively (determined by cryoscopic method in diphenyl).
    The benzene soluble hydrogenolysis product from Onoura bituminous coal was oxidized by boiling with 1N HNO3 and then humic acid, produced in this oxidation, was oxidized with alkaline permanganate.
    By considering the behaviour of oxygen in Onoura bituminous coal in the successive degradation process (i.e.HNO3 oxidation followed by hydrogenolysis or hydrogenolysis followed by HNO3 oxidation), the chemical structure of coal was discussed.
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  • Erratum
    1961 Volume 40 Issue 9 Pages 710
    Published: 1961
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.40.9_710
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  • Studies for Synthesis of Phenol and Cyclohexanone
    Shigeo Furukawa
    1961 Volume 40 Issue 9 Pages 711-717
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.711
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    The optimum conditions to obtain cyclohexylbenzene hydroperoxide by liquied phase oxidation of cyclohexylbenzene, considering induction period, reaction rateof stationary chain reaction and the maximum concentration of the product in the reaction. mixture, were determined.As the results it became clear that provided the stirring isA strong enough, it is not necessary to raise the temperature above 110°C and the addition. of the peroxide obtained by this reaction lead to a good result.Raising the partial pressure of oxygen is also advantageous.The apparent over all activation energy of this reaction was determined to be ca.20kcal.As the additives the addition of sodium stearate: 1%, and formaldehyde 2% were effective respectively.
    Considering the relation between the amount of oxygen adsorved and the rate of the generation of peroxide and the increase of the acidity of the reaction mixture, it became: that the secondary reaction occurs after the stationary state of the oxidation reaction is reached and the secondary reaction which leads to acids or aldehydes gradually suppresses the main reaction.The yield of the adsorved oxygen to the peroxide was. 90.8%.
    The hydroperoxide in the reaction mixture thus obtained was decompsoed to give phenol and cyclohexanone.The peroxide was completely decomposed by adding 2-3% of perchloric acid or borontrifluoride etherate and stirring 22 hours at 20°C.The yield of phenol was determined to be 80% and cyclohexanone 78% respectively to hyd roperoxide.
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  • Microhardness and Microstrength Index of Oxidized Coal
    Yuzo Sanada, Hidemasa Honda, Michio Kimura, Shyoichiro Tachikawa
    1961 Volume 40 Issue 9 Pages 718-724
    Published: September 20, 1961
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.40.718
    JOURNAL FREE ACCESS
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    The measurements of microhardness and microstrength for Sumiyoshi coal oxidized in air from 150 to 300°C for 5-200hours have been made.It is observed from microhardness measurements that vitrain oxidized more easily than degradinite (i.e.exinite-durite and mineral durite).
    The Knoop hardness of oxidized coals in the given length of time and at the given temperature is almost equal to original coal in value.The Knoop hardness mumber of the oxidation edges changsd markedly from 10 to 102kg/mm2 in order.
    The microstrength index increases with oxidation temperature for shorter duration of oxidation.For longer duration of oxidation, the index increases with temperature reaching a maximum, at about 150°C, then gradnally decreases.
    There is no definite relation between microstrength index and microhardness number of oxidized coal.
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  • Notes
    1961 Volume 40 Issue 9 Pages 725-727
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.725
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  • [title in Japanese]
    1961 Volume 40 Issue 9 Pages 728
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.728
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  • [title in Japanese]
    1961 Volume 40 Issue 9 Pages 728a-729
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.728a
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  • [title in Japanese]
    1961 Volume 40 Issue 9 Pages 729-730
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.729
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  • [title in Japanese]
    1961 Volume 40 Issue 9 Pages 730-731
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.730
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1961 Volume 40 Issue 9 Pages 731-736
    Published: September 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.40.731
    JOURNAL FREE ACCESS
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