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- W66368172 abstract "This chapter describes the effect of inherent mineral matter and additives on hydrogenation of Spanish coals. The effect of mineral matter present in coal has been widely studied in hydrogenation processes. The chapter presents the results of the hydrogenation experiments runs carried out with original and demineralized coals, with and without additives. The conversions obtained with hydrogenations of the demineralized coals decrease drastically in comparison with the original coals, which reveals that the inherent mineral matter plays an important role in coal hydrogenation. This could suggest that the demineralization provides a higher interaction between reactive groups, and, in this way, the hydrocarbonated frame of coal would be more difficult to make soluble; moreover, the removal of mineral matter would facilitate the condensation of the carbonaceous fragments from thermolysis. The hydrogenation reactions performed on the original coals without and with additives gave conversions and liquid productions which can be considered as high and very high, respectively. The additives proved to be moderately active and gave a moderate increase in conversion and liquid production in most experiments." @default.
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- W66368172 date "1991-01-01" @default.
- W66368172 modified "2023-10-09" @default.
- W66368172 title "EFFECT OF INHERENT MINERAL MATTER AND ADDITIVES ON HYDROGENATION OF SPANISH COALS" @default.
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- W66368172 doi "https://doi.org/10.1016/b978-0-7506-0387-4.50205-9" @default.
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