Development of regenerable sorbents for fluidized bed combustion. Quarterly progress report No. 1, September-December 31, 1979

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In the initial work on the current program, equipment employed in the original pioneering study, including a thermogravimetric analyzer, an associated gas-mixing panel, and sorbent pellet preparation and conditioning hardware, was accumulated, tested for operability, refurbished, reinspected and recalibrated for future use. Specifications were prepared for the fabrication of a laboratory-scale hot fluidized bed test unit, and a design for this system was completed by our Mechanical Division. As a means to reinitiate the laboratory program and to test our equipment, new formulations incorporating the calcium aluminate cements (CAC) and barium titanate (BaTiO/sub 3/) materials, which were found to be ... continued below

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Pages: 22

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Kalfadelis, C D & Gaydos, T January 1, 1979.

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Description

In the initial work on the current program, equipment employed in the original pioneering study, including a thermogravimetric analyzer, an associated gas-mixing panel, and sorbent pellet preparation and conditioning hardware, was accumulated, tested for operability, refurbished, reinspected and recalibrated for future use. Specifications were prepared for the fabrication of a laboratory-scale hot fluidized bed test unit, and a design for this system was completed by our Mechanical Division. As a means to reinitiate the laboratory program and to test our equipment, new formulations incorporating the calcium aluminate cements (CAC) and barium titanate (BaTiO/sub 3/) materials, which were found to be the most promising sorbent candidates in the original study, were prepared and tested. Titanium dioxide, when incorporated into calcium aluminate cement formulations, produced an improvement in SO/sub 2/ absorption performance and, up to a level of about 5 weight percent, did not degrade crush strengths appreciably. Incorporation of carbon black and/or flyash into TiO/sub 2/-containing CAC formulations produced additional absorption improvement, but significantly reduced sorbent crush strengths. Several promising leads were pursued in the reformulation of barium titanate compositions. But it is apparent that this line of research must be considerably extended to achieve improvements of the type desired.

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Pages: 22

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NTIS, PC A02/MF A01.

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  • Report No.: DOE/ET/15166-T1
  • Grant Number: AC01-79ET15166
  • DOI: 10.2172/5118741 | External Link
  • Office of Scientific & Technical Information Report Number: 5118741
  • Archival Resource Key: ark:/67531/metadc1059530

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 1979

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  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 25, 2018, 3:38 p.m.

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Kalfadelis, C D & Gaydos, T. Development of regenerable sorbents for fluidized bed combustion. Quarterly progress report No. 1, September-December 31, 1979, report, January 1, 1979; United States. (digital.library.unt.edu/ark:/67531/metadc1059530/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.