Journal of the Fuel Society of Japan

[title in Japanese]

[in Japanese]

1959 Volume 38 Issue 5 Pages 295
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_295

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Industrialization of the Manufacture of Humie acids and their Salts.

Toyoharu Inukai, Yutaka Shibuya

1959 Volume 38 Issue 5 Pages 296-300
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_296

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This essay is written for the introduction of authors' researches whichwere awarded the Japan Fuel Society prise for the 33rd year of showa (1958).
The authors found humic acids and their alkali salts effective and suitable as conditioner of circuating mud for oil well drilling in case of exploration and exploitation of crude oil and natural gas.
In this essay the authors stated the progress of industrialization of their manufacturing process and then explained their manufacturing process and properties of the products by their process.
Further they stated the outline of the results up to the present of their researches for another purposes except oil well drilling.
In conclusion, the authors stated their intention of their contribution to the industrial circles in Japan by making development of new and original industry for the utilization of coal through their researches in future.

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Some Problems for the Performance of Engine Oils and Gasolines

Yutaka Katayama

1959 Volume 38 Issue 5 Pages 301-308
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_301

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author describes the significance of the laboratory oxidation tests forlubricants and the bench tests with Japnese full scale engines of “Nissan”, “Isuzu”, “Dutsan”.and others with compared to Lauson and Caterpillor engine tests. He also reviewsthe development of motor engines and required octane number in Japan, and the relationbetween laboratory and road octane number. Then he points out some problems forevaluation on the performance of lubricants in motor cars and for motor gasoline octanenumber.

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Erratum to : Coke Oven and By-product Recovery Plants of USIMINAS

1959 Volume 38 Issue 5 Pages 308
Published: 1959
Released on J-STAGE: February 23, 2011

DOIhttps://doi.org/10.3775/jie.38.5_308

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Combustibility of L. P. Gases (II)

Ignition Temperatures and Ignition lags.

Hisao Hattori

1959 Volume 38 Issue 5 Pages 309-316
Published: May 20, 1959
Released on J-STAGE: February 23, 2011

DOIhttps://doi.org/10.3775/jie.38.5_309

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The researches on ignition temperatures and ignition lags of the components of L.P.Gas are surveyed according to the following items:
1. Ignition temperatures by crucible method.
2. Ignition temperatures and ignition lags of fuel gas-air and-oxygen mixtures, the effect of pressure, and the cool flame regions by bomb method.
3. Ignition temperatures by pipe flow method.
4. Ignition lags of n-butane & n-pentane by rapid compression method.
5. Ignition lags of propane-air mixtures by shock tube method.
6. Ignition temperatures by concentric tube method.
7. Ignition lags of propane-air mixtures by rapid mixing method.
8. Ignition lags of “Color Gas” in hot gas streams.

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Statistical Study of Coals on the Basis of their Analytical Values (II)

The Relation between H/C-O/C and the Volatile matter

Tomijiro Murata

1959 Volume 38 Issue 5 Pages 317-328
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_317

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In this second report of his research on the relation between the volatile matter and the ultimate analytical values of various coals, the reporter has shown the results as follows:
(1) The relation between the volatile matter and the ultimate analytical values is changeable according to the variety of coals and coalification it is not so simple as could beexpressedin a single equation.
(2) H/C-O/C corelation within in one and the same coal field is negative, where as.that in the whole system is positive. But in the case of the relation between the volatilematter and the ultimate analytical values, there is no special difference between them.
(3) The relation between the volatile matter and the elementary composition in the case of peat and lignite ranged is much different from that of brown coal and the higherrank coals. So one may suppose that there was great difference in coalification processes.between those two groups.
(4) The splitting of oxygen groups is not accompanied by the condensation reaction in coal structure until it reaches to the curving range on the H/C-O/C coal band. But after the point, the splitting causes extraordinary condensation.
(5) The decrease of hydrogen contents causes the decrease of volatile matter in thesame proportion through all the ranks except in peat and lignite ranges. So, the degree of condensation depends on the quality of splitted matter.

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Studies on Oxidation Reaction of Coal from a view point of Elementary Composition.

Shuya Fujii, Fujiko Yokoyama

1959 Volume 38 Issue 5 Pages 329-333
Published: May 20, 1959
Released on J-STAGE: October 21, 2011

DOIhttps://doi.org/10.3775/jie.38.5_329

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By the theoretical calculation of typical oxidation reaction, if the values of H/C=α, and O/C=β of original coal are constant, and the number of carbon and hy-drogen atoms which were lost (Dc, Du) and the number of oxygen atoms which increa-sed (D0) by oxydation, are constant, oxidized materials are on the streight line on the H/C-O/C graphs, independent of the number of the carbon, hydrogen, and oxygen of the original coal. And the inclination of this streight line is αDc-DH/βDc+Do. When the analytical results of air oxidized coals of different oxidized time are ploted on the H/C-O/C graph, they are on the streight line. The length of the side chain lost by oxidation, which can be calculated by using the uper equation, increases with the decrease of the coaliffcation rank. The result of the calculation on the assumption of the ring rup-ture theory presented by Pitt and the dealkylation ring rupture is not reasonable.

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[title in Japanese]

1959 Volume 38 Issue 5 Pages 334-336
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_334

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[title in Japanese]

1959 Volume 38 Issue 5 Pages 337-339
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_337

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[title in Japanese]

1959 Volume 38 Issue 5 Pages 339-340
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_339

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[title in Japanese]

1959 Volume 38 Issue 5 Pages 340-341
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_340

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[title in Japanese]

1959 Volume 38 Issue 5 Pages 342-352
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_342

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[title in Japanese]

1959 Volume 38 Issue 5 Pages 352-354
Published: May 20, 1959
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.38.5_352

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