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- W90848915 abstract "A simple down-flow reactor was constructed to study the hydrogenation of coal in the presence of hydrogen iodide as a catalyst under the following conditions: hydrogen pressures from 500 to 3000 psi; reaction temperatures from 500 to 800/sup 0/C; coal contact times from 0.1 to 60 seconds; and coal feeds of 0.5 to 3.0 g min/sup -1/. Illinois No. 6 coal was used in the study, ground to a nominal mean particle diameter of 2 to 3 ..mu..m. Due to unanticipated difficulties in designing a suitable coal feed system, only a limited amount of experimental data was obtained. At 2000 psi and 600/sup 0/C and a contact time of less than or equal to 35 sec, 10.6 +- 1.1% and 6.4 +- 2.5% of the carbon in the coal was converted to C/sub 1/, C/sub 2/ and C/sub 3/ hydrocarbons when reduced with and without HI present in the system, indicating enhanced reaction rates in the presence of HI. At a system pressure of 750 psi and temperature of 700/sup 0/C, the experimental error in the calculated gas conversion efficiencies did not show HI to exert any positive effect on the reaction rates. Problems in delivering a well-defined amount ofmore » HI into the reaction zone were encountered. This difficulty in conjunction with the limited amount of experimental data generated preclude definitive conclusions from being made as to the effectiveness of HI as a rapid coal gasification catalyst.« less" @default.
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- W90848915 date "1982-01-01" @default.
- W90848915 modified "2023-09-27" @default.
- W90848915 title "H-atom initiated rapid coal-gasification study. Final report, May 12, 1980-December 31, 1981" @default.
- W90848915 hasPublicationYear "1982" @default.
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