Research and Development of an Advanced Process for the Conversion of Coal to Synthetic Gasoline and Other Distillate Fuels. Quarterly Technical Progress Report No. 10, for the Period July 1979 Through September 1979

摘要

The objective of this program is to prepare stable, salable products from Solvent Refined Coal-II (SRC-II) distillate product with a minimum consumption of hydrogen. This report describes the progress in the development of a process to convert coal liquids to gasoline during the period July 1, 1979 through September 30, 1979. During this period we accomplished the following: (1) We attempted to suppress the formation of methane which is formed during the hydrorefining of the extract product of SRC-II 350 exp 0 F to 850 exp 0 F composite (SRC-II C) by: (a) addition of quinoline; (b) use of an iron molybdate on florisil catalyst, and (c) dilution of the extract product with SRC-II heavy distillate. None of these methods was successful. The data indicate that a finite amount of methane is produced and suggest a way to hydrorefine the extract product in our batch reactor. (2) We distilled the 15 wt % extract product, analyzed the distillation fractions, and subjected the distillate fractions, free of asphaltenic material, to hydrogenation. The data indicate that much methane was produced from the distillate fractions and indicate the cause of methane formation is not asphaltenic material. (3) We have analyzed more of the raffinate and extract products of the dimethylformamide (DMF)-heptane extraction of SRC-II composite. The data, while incomplete, confirm that the extraction process is well understood and can produce a wide variety of very useable products. 1 fig., 5 tabs. (ERA citation 11:004690)