Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 32, Issue 11
Displaying 1-16 of 16 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1953 Volume 32 Issue 11 Pages 591
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_591
    JOURNAL FREE ACCESS
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  • Recovery of Sulphur from Petroleum
    Yoshihiko Hirakawa
    1953 Volume 32 Issue 11 Pages 592-599
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_592
    JOURNAL FREE ACCESS
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    The shortage of sulphur in every field of industry is remarkable increasing throughout the world.But an enormous amount of sulphur is abandoned in factories.The author briefly describes various processes and their activities in reference to the recovery of sulphur from natural and refinery gases and discusses its economical situation in Japan.A greater part of imported petroleum is the Middle East crude oil rich in sulphur and its import will continue for a long period in future and the operation of various catalytic cracking and reforming processes will start in our country before long.In such a situation, the author concludes that this process has a bright future from the economical point of view, hoping that it will be put into practice.
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  • Present Problems in Lubricating Oils
    Akira Wakana
    1953 Volume 32 Issue 11 Pages 599-609
    Published: November 30, 1953
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.32.11_599
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    Until 1945 our principal Problems of lubricating oil researches were how to supply aero-engine oils.Since 1950, being the restoration period of the oil industry of this country, the sulphuric acid treating has been the most important process for the lubricating oil production.But the special turbine oils and diesel engine oils of higher grade are refined from the Middle East crudes by solvent extraction methods and the products have to stand on the competitive situation with the excellent products imported from abroad.To reveal the true characteri-stics of sulphur compounds in lubricating oil fractions, to utilize the low pour.point naphthenic crude oils in Japan, to make the best use of various lubricating oil additives, for example the rust preventives, and to produce synthetic oils and all purpose grease economically, are our important present problems.As many reports of fundamental researches on lubricating oils are introduced lately to us, the rapid advance of our refining methods should be expected.
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  • The Structure of a Bituminous Coal from the Properties of Bitumens and Pseudo-bitumens
    Tsutomu Sakabe, Katsuya Inouye, Koji Ouchi, Hidemasa Honda
    1953 Volume 32 Issue 11 Pages 610-626
    Published: November 30, 1953
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.32.11_610
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    Seven bitumen fractions and seven pseudo-bitumen fractions (with partial hydrogenation of the residue) were separated from Yubari bituminous coal by extracting with benzene in autoclave followed by fractionation using ligroin, methanol, ether, acetone and CC14.The measurements were carried out for each fraction on melting-point, molecular weight, ultimate analysis, amount of radicals, iodine number, X-ray diffraction constants, magnetic susceptibility and ultra-violet absorption.The following points were emphasized from the results.(1) All bitu-mens are essentially identical with the residual humins.The possible differences would be in the manners of their existence.(2) The apparent molecular weights are different between the fractions, but composing units of molecular weight less than 350-400 are conceivable.(3) The units are of aromatic structure with conde-nsed rings varying from one to several, 3-4 rings in average, with alkylic peripheries as well as partially hydrogenated rings.(4) It is inferred that several units compose of a stable state of molecular weight larger than 1, 000.(5) Approxim-ately same amount of active phenolic hydroxyl radicals are contained in each fra ction.(6) The fractions contain more or less oxygen, which would bridge the units, forming apparent coal molecules.(7) The parts of the molecules stacking parallel appear to be recognized as “turbostratic” crystallites.
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  • Measurement of Driving Pressure by means of Laboratory Scale Apparatus
    Takao Iwasaki, Seiichi Nomura, Yoshitake Kon, Kunio Nemoto
    1953 Volume 32 Issue 11 Pages 626-634
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_626
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    Previously, we reported the experience on the driving pressure measured by means of coke oven with movable wall.In this report, we studied on the driving pressure measured by means of laboratory scale apparatus.Driving pressures were measured on 22 kinds of coal, most of which are Japanese coal, by Nedelmann's apparatus modified by the authors.Relation between maximum driving pressure and each individual fuel ratio, degree of expansion, hardness of coke were discussed.The reason why the driving pressure measured by Nedelmann's apparatus is higher than that by coke oven with movable well is studied.Driving pressures of coal constituents were measured, that of bright coal is higher than of dull coal, the former distribute in wide range, while the later concentrate in narrow range.
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  • Cupola Operation with Oxygen Enriched Air.
    Sunao Yoshioka
    1953 Volume 32 Issue 11 Pages 634-641
    Published: November 30, 1953
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.32.11_634
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    An experiment on the effect of added oxygen in cupola blast was made.Melting capacity of the cupola was 230 kg/hr and coke ratio was maintained constant during the experiment. When the oxygen concentration in the blast was increased from 20.4% to 24.0%, the tapping temperature and the melting speed were remarkably increased, but the waste gas was not increased. In case of decr-easing the coke ratio, the charged metal would be oxidised and degrade the quality of cast iron.But when the height of bed cokes is maintained constant oxidation of metal do not occur and the cast iron of good quality is obtained.
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages 642-643
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_642
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages 643-644
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_643
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages 644-647
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_644
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages 647
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_647
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages 647a-649
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_647a
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages 649-650
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_649
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages 650-653
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_650
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages 653-655
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_653
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages pla1-pla2
    Published: November 30, 1953
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.32.11_pla1
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  • [title in Japanese]
    1953 Volume 32 Issue 11 Pages plate1-plae2
    Published: November 30, 1953
    Released on J-STAGE: February 13, 2012
    DOIhttps://doi.org/10.3775/jie.32.11_plate1
    JOURNAL FREE ACCESS
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