STRATEGIES AND TECHNOLOGY FOR MANAGING HIGH-CARBON ASH

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Description

The overall objective of the present project is to identify and assess strategies and solutions for the management of industry problems related to carbon in ash. Specific research issues to be addressed include: the effect of parent fuel selection on ash properties and adsorptivity, including a first ever examination of the air entrainment behavior of ashes from alternative (non-coal) fuels; the effect of various low-NOx firing modes on ash properties and adsorptivity; and the kinetics and mechanism of ash ozonation. This data will provide scientific and engineering support of the ongoing process development activities. This first project period, experiments were ... continued below

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20 pages

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Hurt, Robert; Suuberg, Eric & Veranth, John December 26, 2001.

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Description

The overall objective of the present project is to identify and assess strategies and solutions for the management of industry problems related to carbon in ash. Specific research issues to be addressed include: the effect of parent fuel selection on ash properties and adsorptivity, including a first ever examination of the air entrainment behavior of ashes from alternative (non-coal) fuels; the effect of various low-NOx firing modes on ash properties and adsorptivity; and the kinetics and mechanism of ash ozonation. This data will provide scientific and engineering support of the ongoing process development activities. This first project period, experiments were carried out to better understand the fundamental nature of the ozonation effect on ash. Carbon surfaces were characterized by surfactant adsorption, and by X-ray Photoelectron Spectroscopy before and after oxidation, both by air at 440 C and by ozone at room temperature. The results strongly suggest that the beneficial effect of ozonation is in large part due to chemical modification of the carbon surfaces.

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20 pages

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OSTI as DE00790137

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  • Other Information: PBD: 26 Dec 2001

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  • Report No.: FG26-00NT40907--02
  • Grant Number: FG26-00NT40907
  • DOI: 10.2172/790137 | External Link
  • Office of Scientific & Technical Information Report Number: 790137
  • Archival Resource Key: ark:/67531/metadc719391

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  • December 26, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • March 30, 2016, 4:40 p.m.

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Hurt, Robert; Suuberg, Eric & Veranth, John. STRATEGIES AND TECHNOLOGY FOR MANAGING HIGH-CARBON ASH, report, December 26, 2001; Pittsburgh, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc719391/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.