Author: J. Clark
Publisher: William Andrew
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 408

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Author: United States. Division of Solid Fuels Mining and Preparation
Publisher:
ISBN:
Category :
Languages : en
Pages : 100

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Author: Joseph P. DuCarme
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 24

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Author: National Research Council
Publisher: National Academies Press
ISBN: 030911022X
Category : Science
Languages : en
Pages : 183

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Book Description
Coal will continue to provide a major portion of energy requirements in the United States for at least the next several decades. It is imperative that accurate information describing the amount, location, and quality of the coal resources and reserves be available to fulfill energy needs. It is also important that the United States extract its coal resources efficiently, safely, and in an environmentally responsible manner. A renewed focus on federal support for coal-related research, coordinated across agencies and with the active participation of the states and industrial sector, is a critical element for each of these requirements. Coal focuses on the research and development needs and priorities in the areas of coal resource and reserve assessments, coal mining and processing, transportation of coal and coal products, and coal utilization.

Author: Artur Dyczko
Publisher: CRC Press
ISBN: 1466556404
Category : Science
Languages : en
Pages : 330

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Book Description
Provides an up-to-date overview of the Polish and international experience in the area of thin coal seam mining with an emphasis on implementation of the plow technology in mining. The implementation of the plow technology in Poland is performed by young engineers for whom the automated extraction system presents itself as a great ch

Author: William D. Mayercheck
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 52

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Author: National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.)
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 212

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Author: John Frew Kellock Brown
Publisher: Government Printing Bureau
ISBN:
Category : Coal
Languages : en
Pages : 164

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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This report defines the state of the art (circa 1978) in removing thin coal seams associated with vastly thicker seams found in the surface coal mines of the western United States. New techniques are evaluated and an innovative method and machine is proposed. Western states resource recovery regulations are addressed and representative mining operations are examined. Thin seam recovery is investigated through its effect on (1) overburden removal, (2) conventional seam extraction methods, and (3) innovative techniques. Equations and graphs are used to accommodate the variable stratigraphic positions in the mining sequence on which thin seams occur. Industrial concern and agency regulations provided the impetus for this study of total resource recovery. The results are a compendium of thin seam removal methods and costs. The work explains how the mining industry recovers thin coal seams in western surface mines where extremely thick seams naturally hold the most attention. It explains what new developments imply and where to look for new improvements and their probable adaptability.