Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 29, Issue 7-8
Displaying 1-8 of 8 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1950 Volume 29 Issue 7-8 Pages 155
    Published: August 31, 1950
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.29.155
    JOURNAL FREE ACCESS
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  • Grindability of Coal
    Shoichiro Tachikawa, Shigeru Ikai
    1950 Volume 29 Issue 7-8 Pages 156-161
    Published: August 31, 1950
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.29.156
    JOURNAL FREE ACCESS
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    The following equation, derived by P. Rosin and E. Rammler, was reported to be in good agreement with experimental results about many foreign coals.
    R=100e-bxn
    where R;Residue on the screen of opening x, n, b;Constants The authors tried to determine the accuracy of this. fornrula, about Japanese coals.And, using ball mill as pulverizer, the relations between constants, n, b, and condi-tions of pulverizing, kinds of coals, degree of coalification were experiMentalily determined, and furthermore, criticized the meaning of A.S.T.M.Ball mill method, Shatter Test method of J.E. S., Drum Test method of J.E.S., Hardgrove method, etc.
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  • The Chemical Constitution of Humic Acid
    Akira Hase, Kenichi Suzuki
    1950 Volume 29 Issue 7-8 Pages 161-173
    Published: August 31, 1950
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.29.161
    JOURNAL FREE ACCESS
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    [in Japanese]
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  • The Caking and Coking Properties of Coal
    Yuji Yoshida
    1950 Volume 29 Issue 7-8 Pages 173-182
    Published: August 31, 1950
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.29.173
    JOURNAL FREE ACCESS
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    From a view-point of manufacture of coke, the author reviewed more than 50 researches on the caking and coking properties of coal carried out in Japan.These reports were classified into the following paragraphs according to the contents and each outline was described.(1) The method of the determination of the caking power of coal, (2) The action of bitumen, (3) The role of humin substance, (4) The coking property, (5) The factors influencing on the coking property, (6) Preparation of hard cokes from domestic weakly coking coals.
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  • Reopening of Pacific Coast Refineries
    Hiroshi Hyakutake
    1950 Volume 29 Issue 7-8 Pages 183-192
    Published: August 31, 1950
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.29.183
    JOURNAL FREE ACCESS
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    The author described the situation of petroleum refining industry in Japan before 1945, and the details of the damages sustained by air raid. After the late War, the refineries in the Pacific coast were closed and only those in the Japan Sea coast were on work, treating Japanese crude oil.Meanwhile, Mr.Edwin Porley and Strike's Misson contended that the Pacific coast refiners should be disposed as reparations or scraps. Afterwards, the reopening of the Pacific coast refineries was taken into plan by Noel's Report.The details about the permission.for reopening as well as import of crude oil and the restoration plan of those refineries were descri-bed.Then, the author discussed on the capacity of refineries, the nature of crude stock, the kind and the management of plant, and petrochemical problems etc., and also described how the petroleum companies cooperated with the foreign capitals.
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  • [title in Japanese]
    [in Japanese]
    1950 Volume 29 Issue 7-8 Pages 193-201
    Published: August 31, 1950
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.29.193
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1950 Volume 29 Issue 7-8 Pages 202-211
    Published: August 31, 1950
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.29.202
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1950 Volume 29 Issue 7-8 Pages 212-213
    Published: August 31, 1950
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.29.212
    JOURNAL FREE ACCESS
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