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 1
Displaying 1-16 of 16 articles from this issue
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 1
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.1
    JOURNAL FREE ACCESS
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  • Large sized Blast Furnaces
    Naoto Nakamura
    1963 Volume 42 Issue 1 Pages 2-12
    Published: January 20, 1963
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.42.2
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    Recently, many large-sized blast furnaces have been constructed also in Japan, whish capacities of pig iron are more than2, 000t per day, These blast furnaces are superior to those of foreign countries in not only iron productivity, but also coke consumption,
    In this article, it is clarified that the capacity limit of a blast furnace is influenced by the properties of coke used, and the various conditions for the increase of iron productivity, the arrangement of works, the structures of large-sized blast furnaces, the charging equipments of raw matercals and the furnace operations are described in detail.
    Lastly, the recent problems of heavy oil injection into blast furnaces have also been reviewed.
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  • Heat Economy in Cement Kiln
    Kikuji Goto
    1963 Volume 42 Issue 1 Pages 13-20
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.13
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    In outlining the cement burning technique adopted by the afterwar Japan, I have, by recording the actual data on the most commonly employed air-quenching cooler, stated the need for the study of the burning with as less amount of primary air as possible in the kiln requiring less air for burning clinker/kg such as Lepol Kiln.I have further stated that, when the burning is conducted under the positive pressure such as in the burning zone of cement kiln, it is more appropriate to accept that free carbon like 2C+O2-CO2+C is yielded by incomplete combustion rather than 2C+O2=2CO reaction generally accepted heretofore.
    I have moreover introduced the concept of“Loss Factor”.
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  • Chemical Studies on the Sulfur of Japanese Coals(II).
    orms of Organic Sulfur Compounds about the Solvent Extract of Coal
    Yoshiaki Miura, Kiyoshi Yanagi
    1963 Volume 42 Issue 1 Pages 21-33
    Published: January 20, 1963
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.42.21
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    n order to investigate chemical forms of organic sulfur occupying more than 80% of the total coal sulfur (mainly, bituminous coal for metallurgical use), estimations of various organic radicals containing sulfur were attempted to be made about the solvent extract of coal.And the following results were obtained.(1) In the exam-ination of the solvent for extraction of coal, tetrahydrofuran and dimethylformamide, which have been so far little used for extraction of coal, and benzene were used because of their various advantages.(2) The methods of estimations of various radicals containing sulfur were established after examination by using pure organic sulfur compounds.Then the following values of contents for various radicals were obtained concerning extracts of Miike coal: thiol (—SH) 3-9%, disulffide (—S—S—) 6-13%, sulfide which does not combine directly to the aromatic ring (—S—) and sulfidecombining in the saturated heterocyclic ring28-37%, sulfide combining directly to the aromatic ringand sulfide combining in the the hetero-cyclic ring7-19%, and undetermined—30%.(3) It is conceivable that the organic sulfur in coal extract which can be reduced by Raney nickel (corres-ponding to the total of each form determined by the above method) has greater chemical activity than the other ones in coal.And the content of this organic sulfur against the total organic sulfur in coal showed the maximum value at the rank of83-84% carbon. Therefore, it was inferred that the reactivity of organic sulfur in coal has the largest value for coal of 83-84%carbon.
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  • Compatibility of Coa-Comparision between the General Polymer Solution Theory and the Experimental Results
    Yuzo Sanada
    1963 Volume 42 Issue 1 Pages 34-41
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.34
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    The interaction constant μ as defined by Flory-Huggins'equation and solubility parameter δby Hildebrand's equation are important factors determining the compatibility of high molecular substances like high polymers and coals.
    Comparision between the theory and the experimental results of μ and δin coal-solvent or coal-coal system has been discussed.
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  • Studies on the Hydrodesulfurization(I)
    Hydrogenolysis of Thiophene in Benzene by the V203-Mo02 Catalyst
    [in Japanese], [in Japanese], [in Japanese], [in Japanese]
    1963 Volume 42 Issue 1 Pages 42-51
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.42
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    The hydrodesulfurization of benzene by the V2O3-MoO2 catalyst has been studied at atmospheric pressure.Mainly, the optimum composition of catalysts and the reaction rates were investigated.
    The activity per unit weight of catalyst was maximum at V2O3/MoO2=3 in molar ratio, but the maximum activity per unit surface area of catalyst was revealed at V2O3/MoO2=6.
    This catalyst was poisoned with olefins and basic compounds such as pyridine.Poisoning with olefins could be removed simply by heating in hydrogen current, but the catalysts poisoned with pyridine were regenerated only by calcining in air and reduction with hydrogen
    The rate of hydrodesulfulization was the 1st order with respect to thiophen concentration and the 1/2th order for hydrogen.From these results, the reaction mechanism was proposed in which the process of reaction between adsorbed hydrogen atom and sulfur compound on surface was the rate determining step.Kimio, Tarama;Shiichiro, Teranishi;Kentaro, Hattori;Mitsuro, Higashi
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  • Studies on the Oxo Reaction(V)
    The Oxo Reaction of Propylene by Continuous Contact Apparatus
    Kozo Kurokawa, Reigi Aizawa, Tozo Amemiya, Hazime Ino
    1963 Volume 42 Issue 1 Pages 52-58
    Published: January 20, 1963
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.42.52
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    Propylene was continuously hydroformylated in the presence of cobalt naphthenate as catalyst and Pd-zeolite as promoter. The reactor was 2.0cm in I.D.by lm high, being packed with 200cc of Pd-zeolite.
    The reaction proceeded even at lower temperatures as smoothly as in the batch system, and the similar effects of reaction temperature, hydrogen partial pressure and cobalt content on the composition of aldekyde as well as the yield of high boiling fraction were observed.
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 59
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.59
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 59a
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.59a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 59b-60
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.59b
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 60
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.60
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 60a-61
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.60a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 61-62
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.61
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 62-63
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.62
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 63-64
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.63
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1963 Volume 42 Issue 1 Pages 64-68
    Published: January 20, 1963
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.42.64
    JOURNAL FREE ACCESS
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