Conversion of coal wastes into waste-cleaning materials. Quarterly progress report, April 1, 1996--June 30, 1996

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Work on this project has concentrated on studying fly ash provided by PECO Energy. This ash has a composition, 52 wt% SiO{sub 2}, 30 wt% Al{sub 2}O{sub 3}, 10 wt% Fe{sub 3}O{sub 4}, and others. Previously, we have shown that this particular ash, which will be called Eddystone I, can be converted to faujasite and zeolite A at 38{degrees} C curing. In the last three months, we began to investigate whether the same treatment procedure can be applied to other ashes. Ashes from three different power plants were solicited and studied. In order to overcome the problem of wide variation ... continued below

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6 p.

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Shih, Wei-Heng October 1, 1996.

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Description

Work on this project has concentrated on studying fly ash provided by PECO Energy. This ash has a composition, 52 wt% SiO{sub 2}, 30 wt% Al{sub 2}O{sub 3}, 10 wt% Fe{sub 3}O{sub 4}, and others. Previously, we have shown that this particular ash, which will be called Eddystone I, can be converted to faujasite and zeolite A at 38{degrees} C curing. In the last three months, we began to investigate whether the same treatment procedure can be applied to other ashes. Ashes from three different power plants were solicited and studied. In order to overcome the problem of wide variation in composition, a general approach needs to be found to treat different ashes. We adopted a fusion method that combines NaOH and silicon source more efficiently than simple dissolution of silicate in NaOH solution.

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6 p.

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OSTI as DE96050439

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  • Other Information: PBD: 1996

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  • Other: DE96050439
  • Report No.: DOE/PC/94215--T7
  • Grant Number: FG22-94PC94215
  • DOI: 10.2172/383056 | External Link
  • Office of Scientific & Technical Information Report Number: 383056
  • Archival Resource Key: ark:/67531/metadc681280

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Nov. 30, 2015, 6:46 p.m.

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Shih, Wei-Heng. Conversion of coal wastes into waste-cleaning materials. Quarterly progress report, April 1, 1996--June 30, 1996, report, October 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc681280/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.