Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 41, Issue 2
Displaying 1-17 of 17 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1962 Volume 41 Issue 2 Pages 85
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.85
    JOURNAL FREE ACCESS
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  • Methane from Coal
    The Ninth Coal Science Lecture
    F.J. Dent, O.B.E.D. Sc, M.InsGas E, M.Inst. F
    1962 Volume 41 Issue 2 Pages 86-98
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.86
    JOURNAL FREE ACCESS
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    recent years, increasing attention has been given to the productionof towngas by complete gasification, as a mean of utilisation of coal.One of the problems which arise, however, is that complete gasification makes a gasof lower calorific value than town gas so that it becomes necessary to obtain additionalsupplies of gaseous hydrocarbons.
    The purpose of this report is to review coal hydrogasification experiments includingpilot scale tests carried out at the Gas Council Midlands Research Station, Solihull.
    The laboratory study was made of influence of temperature and pressure on methaneyields, and these laboratory experiments show that a distinction must be drawn betweentwo phases, heating from 500°Cand at the final steady temperature.On the pilot plant with fixed fuel beds, the rate at which the temperature rises, behaivior of coal charge in reaction zone, the rate of the high temperature zonetravelling throvsh the charge, and methane yields were observed.On the pressurized pilot plant with fluidized fuel bed, influence of pressure on thequality of fluidisation, regulation of reaction temperature and optimum reactionpressure in order to produce gas with a specific calorific value were investigated, andthe author suggested that it will be necessary to have two stages of hydrogenationin series.
    The author suggested that the coal hydrogasifiers should be used as part of a fullyfluidized gasification process, or used in conjunction with a slagging or Lurgi gasifier.
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  • Presumption on the Amounts of Carbon and of Hydrogen in Heavy Fuel Oils
    Tsuyoshi Ogawa
    1962 Volume 41 Issue 2 Pages 99-103
    Published: February 20, 1962
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.41.99
    JOURNAL FREE ACCESS
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    At present the fixed quantities of carbon and of hydrogen are measured.by the special apparatus of chemical element analysis, but the author contrived themethod of presumption on the amount of them simply with the knowledges on thegeneral properties of heavy fuel oils- the specific gravity(15/4°C), the kinematicviscosity (50°C, C.S.), sulphur content(%), water content(%) and the quantity ofsediment (%).
    Using these diagrames, it is possible to presume them simply and speedy with considerablecorrectness-max.error due to the presumption 0.4 percent.
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  • Studies on the Incomplete Combustion of Methane for Acetylene Synthesis I
    Experimental Results
    Eiji Otsuka, Shinji Yoshimura, Haruo Negoro
    1962 Volume 41 Issue 2 Pages 104-113
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.104
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    Acetylene has been playing a more important role as the raw materialfor the Organic Synthesis since the middle of the last World War.Many experimentalattempts have been carried out to get acetylene from hydrocarbons, and a number ofthe useful results were hitherto reported, some of which have been put to practicaluse in industry.The authors have investigated the incomplete combustion of methane for acetylenesynthesis since 1956.In this paper, the experimental results have been reported.The results shoved that the acetylene concentration in the combustion gas is closelyrelated to the molar ratio of O2 to methane and the flow velocity in the combustionchamber, and the position ofwater cooling(the duration period of the incompletecombustion reaction).In order to secure a stable flame in apooreroxygen content anda faster velocity in the combustion chamber, it was necessary to preheat the gases upto a highertemperature previous to the reaction.
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  • Some Studies on the Utilization of Propylene
    Michio Suzuki
    1962 Volume 41 Issue 2 Pages 114-128
    Published: February 20, 1962
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.41.114
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    The utilization of propyrene is an important subject next to ethylene in the petrochemical industry. This report concerns with -the syntheses of some chemicals from propylene as the starting material and its outline is as follows: 1) Synthesis of 2-methylpentene-1.
    Some synthetic conditions of 2-methylpentene-1 by Ziegler's report were examined. 2-Methylpentene-1 was obtained with a purity of 98%, and tripropylal uninium was better to obtain this olefin than triethylaluminium.
    2) Synthesis of isoprene.
    The catalytic demethanizafion of 2-methylpentene-1 using silica-alumina-ferric oxide and the catalytic dehydrogenation of 2-methylbutene-1 using the catalyst as standard oil-1707 type were studied.
    By using the catalyst, the reaction temperature for the demethanization could be made lower by 100-300°C than that of pyrolysis and the yield of isoprene was 47%.
    3) Oxo reaction of 2-methylpentene-1.
    The effect of cobalt salts on the yield of alcohols and the components of the product were investigated. The main product, 3-methylhexanol was identified by infrared analysis.
    4) Liquid phase oxidation of cumene.
    The effect of impurities in the oxidation of cumene, especially recycled cumene wass investigated. From this result, the measurement of ultraviolet spectrum was proposed as the percepting method of the purity of cumene.
    5) Synthesis of tripropyrene.
    Tripropylene was prepared by the polymerizationof propylene in the pressure of I.C.I. phosphoric catalyst, and the component of the produst was compared with that by Armco Co. Although both was same in component, it was different in composition.
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  • Fundamental Research of Coking (I)
    Study of softening behaviours in carbonization
    Ryohei Takahashi
    1962 Volume 41 Issue 2 Pages 129-137
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.129
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    Altough many excellent works have been done in various laboratories, pilot and industrial plants, the coking mechanisms or factors which may have influence on coking character are not yet solved in detail. A new laboratory coking cylinder is developed for this study and some blended foreign coals are used, in order to avoid much confusions which might be caused by marked different chemical and physical characters between the Japanese and the foreign coals, and also to compare the present results obtained from the preliminary research with those of foreign researchers. Coked samples are fixed with carnauba wax and investigated under the reflected microscope to know what behaviours each petrological unit (microlithotype or maceral) demonstrates during coking process. Although it is impossible to compare directly the obtained results with those either of pilot plant or of industrial installation, many important and interesting experiences for this study are added.Based on the results of this study, it is emphasized to investgate widely many kinds of coal, especially of the Japanese coal, and to make clear their coking mechanisms.
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  • [title in Japanese]
    [in Japanese]
    1962 Volume 41 Issue 2 Pages 138-139
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.138
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 140-141
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.140
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 141
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.141
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 141a
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.141a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 142-143
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.142
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 143
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.143
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 143a-145
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.143a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 145-146
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.145
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 146
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.146
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 146a-161
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.146a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1962 Volume 41 Issue 2 Pages 161-166
    Published: February 20, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.41.161
    JOURNAL FREE ACCESS
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