Brick manufacture with fly ash from Illinois coals. Technical report, March 1, 1995--May 31, 1995

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Description

This investigation seeks to utilize fly ash in fired-clay products such as building and patio bricks, ceramic blocks, field and sewer tile, and flower pots. This goal is accomplished by 1) one or more plant-scale, 5000-brick tests of fly ash mixed with brick clays at the 20% or higher level; 2) a laboratory-scale study to measure the firing reactions of a range of compositions of clay and fly ash mixtures; 3) a preliminary study to evaluate the potential environmental and economic benefits of brick manufacture with fly ash. Bricks and feed materials will be tested for compliance with market specifications ... continued below

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17 p.

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Hughes, R.E.; Dreher, G.; Moore, D.; Rostam-Abadi, M.; Fiocchi, T. & Swartz, D. December 31, 1995.

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Description

This investigation seeks to utilize fly ash in fired-clay products such as building and patio bricks, ceramic blocks, field and sewer tile, and flower pots. This goal is accomplished by 1) one or more plant-scale, 5000-brick tests of fly ash mixed with brick clays at the 20% or higher level; 2) a laboratory-scale study to measure the firing reactions of a range of compositions of clay and fly ash mixtures; 3) a preliminary study to evaluate the potential environmental and economic benefits of brick manufacture with fly ash. Bricks and feed materials will be tested for compliance with market specifications and for leachability of pollutants derived from fly ash. The laboratory study will combine ISGS databases, ICCI-supported characterization methods, and published information to improve predictions of the firing characteristics of Illinois fly ash and brick clay mixtures. Because identical methods are used to test clay firing and coal ash fusion, and because melting mechanisms are the same, improved coal ash fusion predictions are and additional expected result of this research. During this quarter we completed a manufacturing run at Colonial Brick Co. and began laboratory testing of samples from that run: clays, fly ash (from Illinois Power Company`s Wood River plant), and green and fired bricks, with and without fly ash. Bricks with 20% fly ash ``scummed`` during firing, and the fly ash failed to increase oxidation rate or water absorption, which were both expected. We obtained chemical and mineralogical analyses of the fireclays and shales at Colonial and Marseilles Brick Companies and began a series of selective dissolution analyses to more accurately determine the composition of the principal clay minerals in brick clays and the components in fly ash. We began related work of calculating normative mineralogical analyses for all clays and fly ashes that we sample.

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17 p.

Notes

OSTI as DE96007011

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  • Other Information: PBD: [1995]

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  • Other: DE96007011
  • Report No.: DOE/PC/92521--T239
  • Grant Number: FC22-92PC92521
  • DOI: 10.2172/205908 | External Link
  • Office of Scientific & Technical Information Report Number: 205908
  • Archival Resource Key: ark:/67531/metadc664263

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Creation Date

  • December 31, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • June 23, 2016, 1:23 p.m.

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Hughes, R.E.; Dreher, G.; Moore, D.; Rostam-Abadi, M.; Fiocchi, T. & Swartz, D. Brick manufacture with fly ash from Illinois coals. Technical report, March 1, 1995--May 31, 1995, report, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc664263/: accessed December 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.