Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 42, Issue 7
Displaying 1-12 of 12 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1963 Volume 42 Issue 7 Pages 449
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_449
    JOURNAL FREE ACCESS
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  • Outline of Low-Temperature Liquefied-gas Tanker
    Masakazu Fujii
    1963 Volume 42 Issue 7 Pages 500-519
    Published: July 20, 1963
    Released on J-STAGE: February 09, 2012
    DOIhttps://doi.org/10.3775/jie.42.7_500
    JOURNAL FREE ACCESS
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    The demand for larger ocean-going vessels carrying LNG and LPG under low temperature is increasing year by year.As you are well aware, the economic factors which hold sway over the design of the said tanker are far different from an ordtnary oil tanker's one.In this respect, this paper reports the historical progress of low-temperature liquefied gas tanker up to successful operation of M.S.“Bridgestone-Maru”and some factors which might influence a design of future vessels of this type.Further, it states hull shape and scantling as well as the optimum arrsngement of cargo tank spaces, design and construction including material for insulation and construction for both cargo tank and hold.Not only, liquid transferring system necessary for handling of the cargo, auxiliary system, gas-treatment system and arrangement of instruments for measurement, also the outline of special technique of construction of the said tanker are described hereunder.
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  • Studies on the Property of Natural Coke(VI)
    Riichi Shioda
    1963 Volume 42 Issue 7 Pages 520-522
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_520
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    X-ray diffraction diagrams of natural coke were made of the three samples, i.e., untreated one, floated one on heavy medium of sp.gr.1.40, and treated one with 1: 1 HCl solution.The diagrams were compared with one another.Satisfactory results to support“carbide hypothesis”that the author had given pveviously were not obtained from these samples.It is needed to make analysis using various treated samples for further distinct consideration.
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  • Studies on Formaldehyde Formation by Catalytic Oxidation of Methane(I)
    Eiji Otsuka, Hiroo Watanabe
    1963 Volume 42 Issue 7 Pages 523-529
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_523
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    Methane is converted to formaldehyde in the yield of 90% when oxic-ized by oxygen containning ozone on the solid catalysts.This process is known as Hibernia Process and has been given the best result among other methods proposed in literatures hitherto.
    The authors made some experiments on this process but could only obtain a trace of formaldehyde.Such negative results was similarly reported by P.Luetic's literature.
    By analysing our experimental results on the catalytic decomposition of formaldehyde in a gas phase, we showed that under the reacting condition specified in Hibernia Process the decomposition of formaldehyde is largely accelerated and the reason for the meagre yield of formaldehyde is clearly attributed to this second reaction.
    Furthermore, authors investigated how the oxidation of methane by oxygen would proceed in the silent discharge tube.
    By changing reacting conditions we succeeded to clarify the effect of reaction factors on formaldehyde yield which are, for example, feed gas composition, feed gas velocity, voltage, materials of electrode and reaction temperature.
    Especially, concerning with the electrode materials, copper electrode was superior to the glass one, and the former gave the remarkably higher yield of 12 times of form-aldehyde obtained with the latter.
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  • Studies on Formaldehyde Formation by Catalytic Oxidation of Methane.(II)
    The Formation of Formaldehyde by the Heterogeneous Gas Phase Catalytic Oxidation under Atmospheric Pressure
    Eiji Otsuka, Hiroo Watanabe
    1963 Volume 42 Issue 7 Pages 530-539
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_530
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    In the consequence of comparisons of several catalysts about their activities for formaldehyde formation from methane, we found that the all of them gave the meagre formation of formaldehyde under lower temperature than 500°C., but the yield was much increased under higher temperature than 700°C.when we used the short contact time.In this case the copper, silver, and iron catalyst are effective, and especially copper oxide catalyst gave good results.
    Using copper oxide catalyst on diatomaceous earth bed and raw gas whose compositions are 50-45% methane, 5-9% oxygen and 45-46%steam, and under the conditions of reaction temperature 850°C.and space velocity 100, 000, we obtained 25% as formaldehyde yield referred to the reacted methane and 1% of formaldehyde concentration in the reacted gas mixture.By the addition of steam to methane and oxygen mixture the yield was elevated to the value 2.5 times than the one reacted in the case of no steam.
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  • [title in Japanese]
    1963 Volume 42 Issue 7 Pages 545-546
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_545
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  • [title in Japanese]
    1963 Volume 42 Issue 7 Pages 546-547
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_546
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 7 Pages 547-548
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_547
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  • [title in Japanese]
    1963 Volume 42 Issue 7 Pages 548-549
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_548
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 7 Pages 549
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_549
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 7 Pages 550-554
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_550
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 7 Pages 555-558
    Published: July 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.7_555
    JOURNAL FREE ACCESS
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