The Effect of Oxygen on the Coking of Coal PDF Download
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Author: Oscar Allen Cherry
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 62
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Author: Oscar Allen Cherry
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 62
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Author: David White
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 492
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Author: David White
Publisher:
ISBN:
Category : Briquets (Fuel)
Languages : en
Pages : 110
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Author: David White
Publisher: Forgotten Books
ISBN: 9780267248971
Category : Science
Languages : en
Pages : 468
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Excerpt from The Effect of Oxygen in Coal This paper is the result of a comparative study of ultimate coal analyses made and published by the United States Geological Survey. This study, at first casually undertaken to devise an acceptable classification of coals based on chemical analyses, was continued in connection with a microscopic examination of a number of the coals. The initial comparisons, made from a relatively small number of analyses, not only confirmed a previous conviction that the elimina tion of oxygen incident to the development of a coal is economically far more important than has been generally suspected, but also showed that oxygen is very nearly as harmful as ash in coal. The immediate purposes of the present study were: (a) To deter mine more definitely, from a comparative examination of a large number of ultimate analyses, the relative importance of oxygen as an impurity in various coals; (b) to illustrate the transition between various grades of coal of similar origin - transition mainly due to progressive devolatilization, brought about more or less directly by dynamic influences; (c) to ascertain the relative proportions of oxygen, hydrogen, and carbon in coking coals, especially with refer ence to a theory tentatively framed to explain the coking quality; and (d) to forecast the probabilities of successfully treating a large number of coals so as to render them amenable, in a softened condition, to satisfactory study under the microscope. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Floyd Beatty Hobart
Publisher:
ISBN:
Category :
Languages : en
Pages : 74
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Author: F. W. Smith
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 56
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Author: David WHITE (Geologist.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Author: Vivian Byam Lewes
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 368
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Author: United States. Bureau of Mines
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Joseph Dana Davis
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 22
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