Surface characterization of Pd/Al2O3 sorbents for mercury capture from fuel gas

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The surface composition of a series of Pd/alumina sorbents has been characterized to better understand the factors influencing their ability to adsorb mercury from fuel gas. Both a temperature effect and a dispersion effect were found. Maximum adsorption of Hg occurred at the -lowest temperature tested, 204°C, and decreased with increasing temperatures. Maximum adsorption of Hg on a per-atom basis of Pd is observed at low loadings of Pd ( < 8.5% Pd) due to better dispersion of Pd at those loadings; a change in its partitioning occurs at higher loadings. The presence of H2S 'in the fuel gas acts ... continued below

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217-215

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Baltrus, J.P.; Granite, E.J.; Stanko, D.C. & Pennline, H.W. January 1, 2008.

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Description

The surface composition of a series of Pd/alumina sorbents has been characterized to better understand the factors influencing their ability to adsorb mercury from fuel gas. Both a temperature effect and a dispersion effect were found. Maximum adsorption of Hg occurred at the -lowest temperature tested, 204°C, and decreased with increasing temperatures. Maximum adsorption of Hg on a per-atom basis of Pd is observed at low loadings of Pd ( < 8.5% Pd) due to better dispersion of Pd at those loadings; a change in its partitioning occurs at higher loadings. The presence of H2S 'in the fuel gas acts to promote the adsorption of Hg through its association with Hg in the Pd lattice.

Physical Description

217-215

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  • Journal Name: Main Group Chemistry; Journal Volume: 7; Journal Issue: 3

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  • Report No.: NETL-TPR2362
  • Grant Number: None
  • DOI: 10.1080/10241220802509432 | External Link
  • Office of Scientific & Technical Information Report Number: 1011090
  • Archival Resource Key: ark:/67531/metadc841106

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  • January 1, 2008

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • June 8, 2016, 12:24 p.m.

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Baltrus, J.P.; Granite, E.J.; Stanko, D.C. & Pennline, H.W. Surface characterization of Pd/Al2O3 sorbents for mercury capture from fuel gas, article, January 1, 2008; United States. (digital.library.unt.edu/ark:/67531/metadc841106/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.