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Table 10. TRDU Test P063 Operatinu Conditions
Parameter
Conditions
Coal
Moisture Content, %
Pressure, psig
Steam:Coal Ratio, lb/lb coal
Air:Coal Ratio, lb/lb coal
02:Coal Ratio, lb/lb coal
Ca:S Ratio, mole, sorbent only
Coal and Sorbent Feed Rate, lb/hr
J-Leg Zone, C, avg.
Mixing Zone, C, avg.
Riser, C, avg.
Standpipe, C, avg.
Dipleg, C, avg.
TRDU Outlet, C, avg.
Carbon Conversion, %
Carbon in Bed, wt%, standpipe
Riser Velocity, ft/sec
Standpipe Velocity, ft/sec
Circulation Rate, lb/hr
HHV of Fuel Gas, actual, Btu/scf
HHV of Fuel Gas, corrected, Btu/scf
Duration, hrP063
Air-blown
gasification
Illinois No. 6
8.5
120
0.23-0.54
3.02-4.37
0.70-1.01
2
234-355
837-923
928-1023
851-916
820-896
320-590
827-891
71.6
1-7
26.1-38.2
0.25-0.31
2830-3800
40-56
63-93
80P063
Air-blown
gasification
Illinois No. 6
8.5
120
0.31
3.02
0.7
2
302
875
964
872
829
484
842
68
3
27.7
0.25
3300
56
93
4P063
Enriched air
gasification
Illinois No. 6
8.5
120
0.46
NA
0.76
2
344
927
1039
918
882
420
883
62
3
33.8
0.26
2575
64
99
4reactor velocity, air:coal ratios, and circulation rates are shown in Table 10. Average operating
conditions for the best air-blown test and the enriched air test are also shown in Table 10. Table 11
summarizes the bulk chemical composition of TRDU samples collected close to the time the mixing
zone deposit was formed when the gasifier was being transitioned to the next highest oxygen
enrichment condition. The hot-gas filter system was online for all but 4 hours of operation. These
tests, especially the oxygen-enriched tests, indicated that significant modification of the TRDU to
enhance circulation rate would be necessary before proceeding with plans to full oxygen-blown
gasification tests on a transport reactor gasifier.
4.3 TRDU Modifications for Oxygen-Blown Transport Reactor Gasification Testing
4.3.1 Initial TRDU Modifications
After Test P063, the TRDU underwent a substantial modification in order to make
improvements that would allow full oxygen-blown operation to occur. These modifications occurred
over the period from the first quarter of 2000 until the first quarter of 2001.16
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Swanson, Michael L. Advanced High-Temperature, High-Pressure Transport Reactor Gasification, report, August 30, 2005; [Grand Forks, North Dakota]. (https://digital.library.unt.edu/ark:/67531/metadc889538/m1/28/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.