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- W34449880 abstract "A laboratory study used a retorting unit which could hold up to 5 g of crushed raw Green River oil shale (0.5 cm dia). Different runs were conducted with either air or nitrogen. Product oils were trapped but no attempt was made to collect the retorting gas. The spent shale was ground to 100 mesh and Soxhlet extracted for 48 hours with benzene. The extracts were concentrated by rotary evaporation and then fractionated with an alumina column. The benzene-methanol fraction was concentrated and analyzed by computerized gas chromatography/mass spectrometry and high-pressure liquid chromatography (HPLC). Columns used in the HPLC runs were ..mu..Porasil, ..mu..Bondapak C/sub 18/, and ..mu..Styragel columns. Organic components extracted from spent shale derived from varying degrees of air intake, heating temperatures, and heating periods were compared. The results showed that the spent shale from the pyrolysis process has the highest organic content. It is suggested that an optimal design will be beneficial to the combustion process as a finishing step to eliminate the organic pollutants in the spent shale. 10 references." @default.
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- W34449880 date "1978-01-01" @default.
- W34449880 modified "2023-09-27" @default.
- W34449880 title "Investigation of organic contaminants from spent shale derived from combustion and pyrolysis" @default.
- W34449880 hasPublicationYear "1978" @default.
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