ERDOL & KOHLE ERDGAS PETROCHEMIE, vol.43, no.11, pp.442-443, 1990 (SCI-Expanded)
Pyrolysis experiments have been conducted on Goynuk oil shale in a Heinze retort at atmospheric pressure using static, nitrogen and steam atmospheres and in a fixed-bed reactor using hydrogen pressures up to 150 bar (hydropyrolysis). As well as high pressure hydrogen, the use of steam as a sweep gas increased oil yields considerably. Moreover, for both regimes, the composition of the tars confirmed that hydrocracking reactions had occurred to a significantly greater extent than in the static and nitrogen atmospheres.