Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 31, Issue 5-6
Displaying 1-19 of 19 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1952 Volume 31 Issue 5-6 Pages 241
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.241
    JOURNAL FREE ACCESS
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  • Recent Gas Condition
    Katsumi Nakazawa
    1952 Volume 31 Issue 5-6 Pages 242-250
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.242
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    The writer narrates here about the condition of coal gas industry of Japan.The demand for gas along with the rehabilitation of dwelling houses and reconstruction of industry is in ascendancy, and the gas producers are doing their best in reconstruction and improvement of system for supply.
    The situation differs in summer and winter, and the difficulty with the manipula-tion responding to the need of extention of equipment for production is no easy job, and as a measure to get over this difficulty, the producer gas using oxygen and oil gas have been adopted as the demand is still increasing.On the other hand, with the developmet of self capitalization, the bond payable and debentures are swelling upand the bank bond payable is reaching twice as much as the capital fund, but for the sake of improvement of equipment, the way for financing the capital is now urgently looked for.
    Although the charges for gas has been raised as often as seven times since 1945, the gas producers now look for the system of charges according to the separate use of gas and lessening of gas-tax.On the other hand, rationalization of equipment and control is noticiable and up trend of production by labor has remarkably been promoted.As for the sales of by-products, the demand for coke went down for a time, appreciating the effect of special demand for war goods in relation to the cease fire talk on Korean War, and slump of export business, but again the demand for coke is getting very lively.Tar, in pace with the development of synthetic chemical industry has come to cultivate a new direction in sales but it has come to show a downward tendency since the summer of 1951 as its peak.The cause is attributed to the rise of coal price claiming twice as much as that of in America and urgently call for rationalization of its enterprice.
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  • On the Combustion of Solid Fuel (Continued)
    Hidemasa Honda
    1952 Volume 31 Issue 5-6 Pages 251-262
    Published: July 01, 1952
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.31.251
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    The combustion of coal may be divided into several kinds such as drying, slow combustion, destructive combustion and surface combustion. So far, the combustion has been looked upon as a consequence of resolution into a unit of fuel, but it is stated as mechanism of combustion of higher hydrocarbon rather than solid carbon at early reaction at least.Further, upon discovery of two phenomena, one of which indicates the effect on propagation velocity in combustion zone of inorganic salt promoting the combustion of coal and the other gives the effect on decomposition reaction and the researches go on comparative study of mechanism of reaction of two kinds of typical salt on combustion.of coal between coke, charcoal and coal.
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  • X-Ray Study of Ube Coal
    Eitaro Matsuyama
    1952 Volume 31 Issue 5-6 Pages 262-267
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.262
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    Ube coal which is being used in large scale in low temperature carboni-zation was studied by X-ray powder method and by radiography.The samples examined are laminated dull coal and bright coal.The photographs and the micro-radiograms of the samples were given.The dependences of a-and c-axis dimensions of graphite-like crystallites on carbonizing temperatures were determined by microphoto-metering of the diffraction patterns, maximum temperature used being 980°C.Both samples showed the same trends of the crystallite growth, but the growth in dull coal was slightly slower.
    The schematic diffraction patteri s of minerals included in the carbonized coal were also shown and discussed some structural changes of the minerals at 450°Cand 800°C, although the silicate lines remained unchanged up to 980°C.
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  • Chemical Industry of Coal in North Korea
    Kenzo Shibata
    1952 Volume 31 Issue 5-6 Pages 267-284
    Published: July 01, 1952
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.31.267
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    Till the end of the World War II, chemical industry based on low grade Agochi coal had been developed at Agochi, North Korea.The author described, in the fh st report, about the operating results of a Lurgi retort used for low tempera-ture carbonization and about the synthesis of metanol which was characterized by the successful use of a coal hydrogenation plant.Then he showed, in the second report, the operating results of primary hydrogenation of coal which were obtained by the plant having capacity of.50, 000 t of annual gasoline production.The reaction report of the plant designed very uniquely was provided inside with a “heat coil” and could have a three or four times of normal type in space velocity.
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  • The Form of Fire Bricks
    Taizo Kuroda
    1952 Volume 31 Issue 5-6 Pages 285-289
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.285
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    The author described on the form of fire bricks after his long years' experiences at the Yawata Iron and Steel Co.and observations followed, from the points of manufacturing the fire bricks and their strength after they have been used in the construction of ovens and furnaces.He presented his ideas for fire bricks in appropriate dimensions, and directions for protrusion and indenture of the form aiming at simplicity within the proper bounds of standard in point of manufacture and usage.
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  • [title in Japanese]
    [in Japanese]
    1952 Volume 31 Issue 5-6 Pages 290-295
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.290
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  • [title in Japanese]
    [in Japanese]
    1952 Volume 31 Issue 5-6 Pages 296-298
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.296
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1952 Volume 31 Issue 5-6 Pages 299
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.299
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 300
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.300
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 301
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.301
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 301a
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.301a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 302
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.302
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 302a-303
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.302a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 303
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.303
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 304-305
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.304
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 306-309
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.306
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 309-311
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.309
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1952 Volume 31 Issue 5-6 Pages 311-312
    Published: July 01, 1952
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.31.311
    JOURNAL FREE ACCESS
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