Advanced development of a pressurized ash agglomerating fluidized-bed coal gasification system. Quarterly progress report, April 1-June 30, 1982 Page: 15 of 105
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2.5.2 COAL/ASH BEHAVIOR
Coal Gasification - Coal fines and PDU char fines for RSA coal feedstock were
characterized on a thermogravimetric analyzer. Upper Freeport and Western
Kentucky coals were also characterized.
Ash A lomeration - The behavior of ash particles from Wyoming Sub-C,
Pittsburgh seam, and West Virginia coals was examined.on a hot-stage
microscope. These ash particles were characterized for their initial
sintering and melting temperatures.
Deposit Control - PDU data were reviewed to determine the effects of operating
parameters on the formation of deposits. Trends in deposit formation were
identified, and the parameters with the greatest influence on deposit were
determined. These results were provided to assess critical tests for the PDU
to limit deposit formation and to gather data essential for deposit analysis.
A probe to study deposit formation in the PDU gasifier was designed and
fabricated. It will be located in the gasifier freeboard, near the exit,
where a large number of particles would strike its surface at exit velocity.
Installation is scheduled for PDU test TP-033-l.
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Advanced development of a pressurized ash agglomerating fluidized-bed coal gasification system. Quarterly progress report, April 1-June 30, 1982, report, October 21, 1982; United States. (https://digital.library.unt.edu/ark:/67531/metadc1058542/m1/15/: accessed May 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.