The improvement of slagging gasifier refractories

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Refractories play a vital role in slagging gasifier on-line availability and profitability for the next clean power generation system. A recent survey of gasifier users by USDOE indicated that a longer service life of refractories is the highest need among gasifier operators. Currently, Cr2O3 based refractories, the best of commercially available materials for use in slagging gasifiers, last between 3 and 24 months. Researchers at Albany Research Center (ARC) have identified structural spalling, caused by slag penetration, as one of the major failure mechanisms of Cr2O3 refractories through postmortem analysis. New Cr2O3 refractories with phosphate additives have been developed by ... continued below

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5 p.

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Kwong, K.-S.; Bennett, J.P.; Powell, C.A. & Krabbe, R.A. March 1, 2006.

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Description

Refractories play a vital role in slagging gasifier on-line availability and profitability for the next clean power generation system. A recent survey of gasifier users by USDOE indicated that a longer service life of refractories is the highest need among gasifier operators. Currently, Cr2O3 based refractories, the best of commercially available materials for use in slagging gasifiers, last between 3 and 24 months. Researchers at Albany Research Center (ARC) have identified structural spalling, caused by slag penetration, as one of the major failure mechanisms of Cr2O3 refractories through postmortem analysis. New Cr2O3 refractories with phosphate additives have been developed by ARC to decrease slag penetration and thus structural spalling. Laboratory physical property tests indicated that ARC developed refractories are superior to other commercial bricks. One of the ARC developed phosphate containing refractories has been installed in a slagging gasifier. Preliminary results of the performance of this refractory in the gasifier will be reported along with research to develop non-chromia refractories.

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5 p.

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  • Journal Name: Ceramic Transactions; Journal Volume: 180; Journal Issue: March 2006; Conference: UNITECR '05: Unified International Technical Conference on Refractories, November 8-11, 2005, Orlando, Florida, USA, 9th Biennial Worldwide Congress on Refractories; Related Information: Paper UN-SS-70-2005

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  • Report No.: DOE/NETL-IR-2006-021
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 922533
  • Archival Resource Key: ark:/67531/metadc902493

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 1, 2006

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • April 6, 2017, 12:37 p.m.

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Kwong, K.-S.; Bennett, J.P.; Powell, C.A. & Krabbe, R.A. The improvement of slagging gasifier refractories, article, March 1, 2006; (digital.library.unt.edu/ark:/67531/metadc902493/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.