This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 Excerpt: ... produce coke, it is only from the caking variety of bituminous coal that the best coke can be obtained. There should be at least 4-5 per cent. of disposable hydrogen if a coal is to yield good coke. If an ordinary pipe with a long stem be taken, the head filled with powdered bituminous coal, and the top covered with ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 Excerpt: ... produce coke, it is only from the caking variety of bituminous coal that the best coke can be obtained. There should be at least 4-5 per cent. of disposable hydrogen if a coal is to yield good coke. If an ordinary pipe with a long stem be taken, the head filled with powdered bituminous coal, and the top covered with clay, so as to shut out the air, then if heat is applied to the head by means of a bunsen burner, the decomposition of the coal will take place. The coal splits up, the gaseous products, such as the lighter hydro-carbons, being emitted at the end of the stem, where they will burn if a light is applied. When the driving off of the gas is completed, and the clay removed, a mass of brittle and more or less spongy-looking carbon is found, which contains also certain quantities of inorganic matter called ash. This is coke, and may be called the charcoal of coal. Besides the lighter hydro-carbons already mentioned, however, other volatile compounds, the heavier hydro-carbons, etc., are produced, and these are collected when this process is conducted on a large scale as in gas making, and produce what are known as tar and ammoniacal liquor. From these many useful substances called bye-products are obtained. Fireclay.--Fireclays are the clays which are found under many coal seams. They consist chiefly of silica and alumina, and will withstand great heat without vitrifying, and consequently, are of great value when made into firebricks, crucibles, and retort pipes. Many mines of fireclay are worked for this product even where the coal above is of no commercial value. Physical Characteristics Of Coal And Coal Seams.--The structure and texture of coal is determined by its mode of deposition; the effects of earth movements which have taken place subsequent...
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Add this copy of Coal. (the "Westminster" Series) to cart. $17.55, like new condition, Sold by J. Patrick McGahern Books, Inc rated 3.0 out of 5 stars, ships from Ottawa, ON, CANADA, published by New York. D. Van Nostrand Company. 1907.
Publisher:
New York. D. Van Nostrand Company. 1907
Language:
English
Alibris ID:
16941725499
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Seller's Description:
20.5cm, vi, 275p., 2p. ads, with 46 figures, index, dark green cloth, gilt titles & spine decoration, fine (s3.10). -A study of the natural history and uses of coal. Includes chapters on the coalfields of the United States, Canada, Germany, and the British Isles.
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Seller's Description:
NY 1907 Van Nostrand. Hardcover. Octavo, 275pp., photo illustrations, index, otiginal green cloth with gilt lettering. Near Fine, slight fraying of top spine end, Beautiful condition.
Add this copy of Coal to cart. $36.52, good condition, Sold by Stephen White Books rated 5.0 out of 5 stars, ships from Bradford, WEST YORKSHIRE, UNITED KINGDOM, published 1907 by Archiblad Constable and Co. Ltd.
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Add this copy of Coal to cart. $70.54, new condition, Sold by Booksplease rated 4.0 out of 5 stars, ships from Southport, MERSEYSIDE, UNITED KINGDOM, published 2007 by Kessinger Publishing.