127:) to product oil shale gas. Steam from the cooling zone is used for fluidizing the sent shale while heat transferred by hot solids (oil shale ash) from the combustion section. The spent shale moves to the combustion section where it is burnt to heat the process, while oil shale ash moves to the cooling section before its removal from the retort.
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The pyrolyzed oil shale moves by gravity downward to the gasification section. Gasification, which takes place at 750 °C (1,380 °F) to 850 °C (1,560 °F), converts remained
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from the gasification section below. Heat is transferred to the raw oil shale by a combination of fluidizing gas and recirculating hot
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from the gasification section. The pyrolysis takes place at 500 °C (930 °F) to 550 °C (1,020 °F).
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The KENTORT II retort consists of four fluidized bed vessels, configured in cascade. The raw oil shale is fed to the
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Effects of Scale-Up on Oil Shale and Gas Yields in a Solid-Recycle
Fluidized Bed Oil Shale Retorting Process
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Investigation of product coking induced by hot recycle solids in the KENTORT II fluidized bed retort
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Investigation of product coking induced by hot recycle solids in the KENTORT II fluidized bed retort
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Measurement of the
Adsorption and Cracking of Model Compounds Over Processed Oil Shale Particles
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210:. Symposium on Chemistry, Structure and Reactivity of Coals, Tar Sands and Oil Shale.
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vessel the pyrolysis section, where it is fluidized by a mixture of steam and product
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Vego, Asmund; Carter, Scott D.; Stehn, John L.; Taulbee, D.N. (August 1994).
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101:. The concept of this process was initiated in 1986 in the test unit.
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process developed by the Center for
Applied Energy Research of the
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retorting process developed since 1982 for processing the eastern
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Vego, Asmund; Carter, Scott D.; Stehn, John L. (August 1993).
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87:. It is a hot recycled solids
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216:American Chemical Society
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142:Alberta Taciuk Process
85:University of Kentucky
69:University of Kentucky
172:Lurgi-Ruhrgas process
353:Oil shale technology
328:. pp. 1253–1257
123:in the spent shale (
81:shale oil extraction
30:Industrial sector(s)
177:Chevron STB process
79:is an above-ground
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293:. pp. 972–978
253:. pp. 324–329
218:. pp. 800–809
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358:Thermal treatment
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64:Developer(s)
38:oil industry
22:Process type
114:spent shale
347:Categories
332:2010-01-31
297:2010-01-31
257:2010-01-31
222:2010-01-31
188:References
99:oil shales
77:KENTORT II
54:Product(s)
17:KENTORT II
106:pyrolysis
58:shale oil
48:oil shale
44:Feedstock
131:See also
96:Devonian
25:chemical
287:Chicago
247:Denver
121:carbon
318:(PDF)
283:(PDF)
243:(PDF)
208:(PDF)
125:char
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