Publication Type |
report |
Other Author |
Fujimoto, F. D.; Braun, R. L.; Taylor, R. W.; Morris, C. J. |
Title |
Intrinsic kinetics of oxidation of residual organic carbon in rapidly pyrolyzed oil shale |
Date |
1986-11 |
Description |
The intrinsic kinetics of reaction of oxygen with carbonaceous residue in rapidly pyrolyzed Colorado oil shale were determined by a series of isothermal fluidized-bed experiments in the temperature range of 384 to 474°C. The char was produced from 100 L/Mg (24 gal/ton) oil shale by rapid heating to 530°C and isothermal pyrolysis for 5 min. The oxidation rate, determined by mass spectrometer measurements of evolved CO and C02, has second-order dependence on the unreacted char. The activation energy is 19.4 kcal/mole and the pre-exponential factor is 1.33 s~ Pa"" , assuming first-order dependence on oxygen. Rate measurements at temperatures higher than approximately 475°C are precluded by interference of C02 that is evolved from carbonate capture of S0_. A lower heating rate during pyrolysis (i.e., a lower effective pyrolysis temperature) significantly decreases subsequent oxidation reactivity of char. |
Type |
Text |
Publisher |
Lawrence Livermore Laboratory |
Subject |
oxidation of organic carbon; residual organic carbon; intrinsic kinetics; pyrolyzed oil shale; oil shale; oil shale retorting; modified in-situ retorting |
Language |
eng |
Bibliographic Citation |
Fujimoto, F. D., Braun, R. L., Taylor, R. W., & Morris, C. J. (1986). Intrinsic kinetics of oxidation of residual organic carbon in rapidly pyrolyzed oil shale. (Preprint: UCRL-95661). Lawrence Livermore Labratory. |
Relation Has Part |
Preprint: UCRL-95661 |
Rights Management |
(c)Lawrence Livermore Laboratory |
Format Medium |
application/pdf |
Format Extent |
105,423 bytes |
Identifier |
ir-eua/id/3012 |
Source |
DSpace at ICSE |
ARK |
ark:/87278/s6c56jxn |
Setname |
ir_eua |
ID |
214080 |
Reference URL |
https://collections.lib.utah.edu/ark:/87278/s6c56jxn |