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- W2915969809 abstract "This report describes work done in study of the role of coal minerals and by-product metallic wastes in coal liquefaction. Samples of Elkhorn No. 3 coal (Letcher County, Kentucky), Robena pyrite and several minerals and metallic by-product waste were acquired. The thermal behavior of various minerals and metallic by-product wastes was evaluated by thermal gravimetric analysis (TGA) and differential thermal analysis (DTA) in the presence of hydrogen, nitrogen and air. The coal process development unit was operated for 220 hours to obtain baseline data and provide information on the catalytic activity of Robena pyrite in solvent hydrogenation and coal liquefaction. We established that the base line reaction conditions to evaluate the activity of the various minerals, metallic wastes and by-products will be a tubing-bomb reactor of 46.3 ml volume at a reaction temperature of 450/sup 0/C for reaction times of 60 minutes. The reduced pyrite, Robena pyrite and Siniola Mexico pyrite were found to give similar product distribution and coal conversion. The oil production in the cases of reduced pyrite and pyrite was 4 times higher than that of no-catalyst run. Iron oxide (Fe/sub 2/O/sub 3/) was shown to give slightly higher coal conversion and oil production that pyrites and reduced pyrite. Presulfided Co-Mo-Al was found to give the highest coal conversion and oil production. The increase in oil production in the case of Co-Mo-Al was due to the conversion of both asphaltenes and preasphaltenes." @default.
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- W2915969809 date "1980-03-01" @default.
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- W2915969809 title "Role of non-ferrous coal minerals and by-product metallic wastes in coal liquefaction. Technical progress report, December 1, 1979-February 29, 1980" @default.
- W2915969809 doi "https://doi.org/10.2172/6387497" @default.
- W2915969809 hasPublicationYear "1980" @default.
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