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 12
Displaying 1-16 of 16 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1957 Volume 36 Issue 12 Pages 869
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_869
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1957 Volume 36 Issue 12 Pages 870-872
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_870
    JOURNAL FREE ACCESS
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  • Erratum
    1957 Volume 36 Issue 12 Pages 872a
    Published: 1957
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.36.12_872a
    JOURNAL FREE ACCESS
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  • Some Problems in Coal Utilizations
    Arimasa Baba
    1957 Volume 36 Issue 12 Pages 873-878
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_873
    JOURNAL FREE ACCESS
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    will be most important for Japanese industries also in future, but there are various problems in its utilizations.
    The author discussed following points of these problems:
    (1) Stabilizing the supply and price of coal by setting a new standard of coal qualityand establishing a large-scale coal storage system.
    (2) Coals of high-ash contents are to be gasified and used for power generationwith a gas turbine, low-grade coals being used for raw materials of town gas.
    (3) Coal chemical industries are most profitable of coal utilizations, but it is necessaryto develop them on a large-scale. and therefore, the combined economy is desired, among many enterprises based on raw materials, plants and products.
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  • Characteristics of Natural Cokes (Senseki) and their Utilizations.
    Sadao Iki
    1957 Volume 36 Issue 12 Pages 879-889
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_879
    JOURNAL FREE ACCESS
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    natural cokes (Seneki) are formed underground by the acton ofheat of the igneous rocks on the coal seams, they have, therefore, some characteristicproperties different from ordinary anthracites or artificial cokes. The main characteristicsof natural cokes are, (1) popping property, (2) irregular relation between ashcontent and specific gravity, (3) electric and heat conductivity, (4) moisture absorptionproperty, (5) ash correction factor, (6) forms of sulfer compounds, (7) propertiesof weathered products, (8) heterogenity of their properties, etc.
    According to these characteristics, the cleaning methods based on the specific gravityare generally not practicable, and electric or floatation methods are promissing.
    The natural cokes (Senseki) are virtually and kind of low grade coals and the utilizationsof them are now not manysided, but their rational utilizations are expected tosucceed in near future by means of the more minute practical studies.
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  • Characteristics of Miike Coal and its Utilization
    Tadashi Nakagome
    1957 Volume 36 Issue 12 Pages 890-912
    Published: December 20, 1957
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.36.12_890
    JOURNAL FREE ACCESS
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    Miike coal is a strongly caking bituminous coal with many characterestics, especially high hyrogen and volatile matter contents. High temperature cokehas heen produced from Miike coal only, but according to its quality, Miike coal onlyis not suitable for high temperature coke manufacture. It was clarified by the resultsof many studies that better results were obtained by the blend of Miike coal, and itssemi-coke.
    Besides high temperature coke manufacture, there are following two methods ofutilization of Miike coal. The one is low temperatnre fluidized carbonization, ansemi-coke is used for high temperatme coke or power station and tar is used for themanufactnre of coal chemicals. The other is hydrogenolysis of Miike coal, and coalchemicals consisted mainly of naphthalene derivatives are produced by the reformingof the liquefied oil.
    Miike Gosei Kagy-6 Co. has succeeded in the fundamental test experiments of theselow temperature fluidized carbonization and hydrogenolysis of Miike coal and theseprocesses are now in the stage of the research for industrialization.
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  • Hydraulic Transport of Coal
    Yoshitaka Otsubo
    1957 Volume 36 Issue 12 Pages 913-924
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_913
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    Recently, hydraulic transport of coal has been actively studied in manycountries and it will be extensively used in near future. Deep interests on it are alsoindicated in Japan.
    The author has made many test experiments on this hydraulic transport of coal andobtained successful results.
    In this paper, the process of these experiments and the outline of a plan which willshortly be put into practice have explained in detail.
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  • [title in Japanese]
    [in Japanese]
    1957 Volume 36 Issue 12 Pages 924
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_924
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1957 Volume 36 Issue 12 Pages 925-932
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_925
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1957 Volume 36 Issue 12 Pages 933-942
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_933
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 12 Pages 943-946
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_943
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 12 Pages 946-947
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_946
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 12 Pages 948-951
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_948
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 12 Pages 951-952
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_951
    JOURNAL FREE ACCESS
    Download PDF (394K)
  • Erratum
    1957 Volume 36 Issue 12 Pages e1
    Published: 1957
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.36.12_e1
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1957 Volume 36 Issue 12 Pages plate1-plate4
    Published: December 20, 1957
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.36.12_plate1
    JOURNAL FREE ACCESS
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