Journal of the Fuel Society of Japan

[title in Japanese]

[in Japanese]

1962 Volume 41 Issue 8 Pages 646
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.646

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Coal Mining in U.S.R.

Hatsuo Sano

1962 Volume 41 Issue 8 Pages 647-657
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.647

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This is a report of a visit the author, made last summer to inspect, as a member of U. S. S. R. Coal Mine Technique Survey Group, recent coal mine techniques in U.S.S.R.He describes in outline the coal mining industry in U .S.S.R., and some plans for the advancement of mine technology which may well be referenced to the rationalization of coal mines in Japan;i .e.,
(1) Energy plan according to Russian seven-year plan for economics,
(2) Coal mine situations: coal field, coal reserves, thickness and inclination of coal seams, depth of mining, output, productivity, scale of mine, drifting and mining,
(3) Hydraulic mining,
(4) Underground gasification of coal, and
(5) Mechanical mining and drifting.

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Discussion on the Report of the Committee on Coal Derivatives

[in Japanese], [in Japanese]

1962 Volume 41 Issue 8 Pages 658-663
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.658

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Manufacture of Briquette Coke for Blast Furnace, Using the Poorly Caking Japanese Coal as Main Raw Materials (I)

Shiro Ida

1962 Volume 41 Issue 8 Pages 664-683
Published: August 20, 1962
Released on J-STAGE: October 21, 2011

DOIhttps://doi.org/10.3775/jie.41.664

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There have been many investigations on manufacture of metallurgical coke for blast furnace, making use of low-caking: non-caking and brown coals etc.as main raw materials.Nevertheless, it has been not successful to produce good metallur-gical coke from these poorly caking coals by making them main raw materials.
In this study, the results of prolonged experiments on this sudject will be reported.The present paper consists of a part of fundamental researches and its contents are as follows.
Firstly, it was examined that the bripuetting pressure influences upon the caking power of coal and the qualities of coke produced.Secondly, the behavior of raw briquette during the carbonization has been traced from three points of view ;swelling grade, evolution conditions of decomposed gas and micro-structure of briquette coke.

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Infra-red Absorption Spectra of Coal

Absorption Band at 1600cm^-1

Shuya Fujii

1962 Volume 41 Issue 8 Pages 684-692
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.684

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For i.r.spectra of coal, very strong absorption band near 1600cm^-1 is discussed.Coals were hydrogenolysed, oxidized, methylated, acetylated, or reduced with LiAlH4, then i.r.spectra of the products were measured and compared with that of original coal.The following conclusions about the absorption band at 1600cm-1 were obtained.
1.The absorption band at 1600cm-1 is the band which has connection with oXygen in coal.
2.The part of absorption at 1600cm-1 is due to hydrogen bonded carbonyl group.
3.The rate of the absorption intensity which is due to hydrogen bonded carbonyl to total absorption intensity at 1600cm-1 is 10-30%which is changed by coalification grade.

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Studies on Naphthalene Manufacture (II)

Takao Matsuda

1962 Volume 41 Issue 8 Pages 693-705
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.693

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Several hydrocarbon oil from coal and petroleum were shown as the candidate material oils for naphthalene manufacturing and added a brief examination about their properties and naphthalene yields.
A light cycle oil, as the representative one, was investigated concerning methods, conditions and catalyst regeneration for producing naphthalene from it.
As the results, it can be said that the behavior of material oils consisted of many components such as light cycle oil is nearly similiar to the additional behaviour of individual component which was studied in the former report, and the regeneration of chromia-almina catalyst can be attained by the method of burning carbon.

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Studies on the Oxo Reactions (III)

The Isomerizations of Olefines and the Role of Promoter

Kozo Kurokawa, Reiji Aizawa, Tozo Amemiya, Hajime Ino

1962 Volume 41 Issue 8 Pages 706-711
Published: August 20, 1962
Released on J-STAGE: October 21, 2011

DOIhttps://doi.org/10.3775/jie.41.706

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In such conditions as usually applied to the Oxo process, both Pd-zeolite and dicobaltoctacarbonyl accelerated the isomerization of n-butenes, but its effect to the comoposition of olefines was of a slight extent.
It was concluded that Oxo reaction velocity was superior to the isomerization velocity of the olefines at 100°C-120°C, when Pd-zeolite and cobaltnaphthenate were let to cooperate.The former promoted the formation of cabalt corbonyl from cobaltnaphthenate even at lower temperatures.

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[title in Japanese]

[in Japanese]

1962 Volume 41 Issue 8 Pages 712-713
Published: August 20, 1962
Released on J-STAGE: October 21, 2011

DOIhttps://doi.org/10.3775/jie.41.712

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 714a-715
Published: August 20, 1962
Released on J-STAGE: May 16, 2013

DOIhttps://doi.org/10.3775/jie.41.714a

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 714
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.714

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 715
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.715

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 715a
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.715a

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 715b-716
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.715b

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 716-717
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.716

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 717
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.717

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 717a-724
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.717a

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[title in Japanese]

1962 Volume 41 Issue 8 Pages 724-730
Published: August 20, 1962
Released on J-STAGE: June 28, 2010

DOIhttps://doi.org/10.3775/jie.41.724

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