Assay retort studies of ten typical oil shales

Finley, W.L.; Horne, J.W.; Gould, Douglas; Bauer, A.D.

doi:10.1016/s0016-0032(24)90036-6

Cited by 1 publication

(3 citation statements)

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“…The Cl content of the organic fraction of the original oil shale may be assumed to be negligible. 47 1 H nuclear magnetic resonance (NMR) spectra were obtained for CH 2 Cl 2 -solubles dissolved in CDCl 3 using a Bruker Ultrashield 400 MHz spectrometer with a 90°pulse flip angle (9.5 μs). The same solutions were used for liquid 13 C NMR determined using a Bruker Avance III 600 (14.1 T magnet) instrument with a 5 mm TCI cryoprobe and a 1 H− 13 C/D autotunable cryoprobe with Z-gradients at 25 °C.…”

Section: Methodsmentioning

confidence: 99%

“…There has been long-standing interest in obtaining liquid products from Green River oil shales. 1 The shales represent a major portion of the world's oil shales 2 and have the capacity to produce large amounts of oil for transport, heating and other uses. The shales occur over a wide range of depths, with deposits attaining depths of 1000 m. In spite of this, a large number of workers have described methods for extracting oil from the mined shale (ex situ liquefaction).…”

Section: Introductionmentioning

confidence: 99%

“…There has been long-standing interest in obtaining liquid products from Green River oil shales . The shales represent a major portion of the world’s oil shales and have the capacity to produce large amounts of oil for transport, heating and other uses.…”

Section: Introductionmentioning

confidence: 99%

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Long-Time-Period, Low-Temperature Reactions of Green River Oil Shale

Marshall

Jackson

et al. 2018

Energy Fuels

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Reactions of water-washed chunks of a deeply buried Green River oil shale (2880–2920 ft, well below the water table) have been carried out in N2–H2O and CO–H2O for up to 28 days at temperatures in the range of 280–370 °C. Large variations in yields of liquid products were observed for reactions below 330–340 °C. These were attributed to varying mineralogy in the chunks because the variations disappeared for reactions of ground samples or reactions above 330–340 °C, at which point the chunks disintegrated. Liquid-product yields of up to 70 wt % dry mineral matter free could be obtained from the chunks at temperatures as low as 320 °C, provided that long reaction times of 14 or 28 days were used. In particular, at lower temperatures, yields were higher under N2 than under CO, but the quality of the CO–H2O petroleum or oil/gas products tended to be better than that of N2–H2O products. The liquid products contained 1–2 wt % nitrogen, were high in aliphatic material, and contained significant amounts of heavily substituted aromatic rings.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%