Utilization of lightweight materials made from coal gasification slags. Quarterly report, December 1, 1995--February 28, 1996

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Description

The project scope consists of collecting a 20-ton sample of slag (primary slag), processing it for chart removal, and subjecting it to pyroprocessing to produce expanded slag aggregates of various size gradations and unit weights, ranging from 12 to 50 lb/fg{sup 3}. A second smaller slag sample will be used for confirmatory testing. The expanded slag aggregates will then be tested for their suitability in manufacturing precast concrete products (e.g., masonry blocks and roof tiles) and insulating concrete, first at the laboratory scale and subsequently in commercial manufacturing plants. These products will be evaluated using ASTM and industry test methods. ... continued below

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13 p.

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Creator: Unknown. December 31, 1996.

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Description

The project scope consists of collecting a 20-ton sample of slag (primary slag), processing it for chart removal, and subjecting it to pyroprocessing to produce expanded slag aggregates of various size gradations and unit weights, ranging from 12 to 50 lb/fg{sup 3}. A second smaller slag sample will be used for confirmatory testing. The expanded slag aggregates will then be tested for their suitability in manufacturing precast concrete products (e.g., masonry blocks and roof tiles) and insulating concrete, first at the laboratory scale and subsequently in commercial manufacturing plants. These products will be evaluated using ASTM and industry test methods. Technical data generated during production and testing of the products will be used to assess the overall technical viability of expanded slag production. In addition, a market assessment will be made based on an evaluation of both the expanded slag aggregates and the final products, and market prices for these products will be established in order to assess the economic viability of these utilization technologies. Relevant cost data for physical and pyroprocessing of slag to produce expanded slag aggregates will be gathered for comparison with (1) the management and disposal costs for slag or similar wastes and (2) production costs for conventional materials which the slag aggregates would replace. This will form the basis for an overall economic evaluation of expanded slag utilization technologies.

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13 p.

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OSTI as DE97052729

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  • Other Information: PBD: [1996]

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  • Other: DE97052729
  • Report No.: DOE/MC/30056--5665
  • Grant Number: FC21-94MC30056
  • DOI: 10.2172/486103 | External Link
  • Office of Scientific & Technical Information Report Number: 486103
  • Archival Resource Key: ark:/67531/metadc680355

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  • December 31, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Nov. 11, 2015, 1:26 p.m.

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Utilization of lightweight materials made from coal gasification slags. Quarterly report, December 1, 1995--February 28, 1996, report, December 31, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc680355/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.