Liu, Yan published the artcileThermochemical Sulfate Reduction by Pyrobitumen: Review and Experiments, Product Details of C24H12, the publication is ACS Earth and Space Chemistry (2022), 6(2), 308-321, database is CAplus.
A review. It has remained controversial throughout the last 3 decades whether highly mature solid bitumen derived from petroleum degradation can engage in thermochem. sulfate reduction (TSR)-an organic-inorganic interaction that occurs in sedimentary basins. To study the kinetic characteristics of thermal sulfate reduction by thermogenic pyrobitumen, hydropyrolysis experiments with Mg sulfate (MgSO4) and a model compound, coronene (C24H12), were performed at 300-500¡ã under controlled laboratory conditions. Detectable amounts of H2S from the designed simulation system were formed at a threshold temperature of 400¡ã. Thermodynamically, coronene-initiated sulfate reduction is an exothermic process at 100-220¡ã with the reaction heat of 221.0-248.3 kJ/mol hydrocarbon. TSR of coronene is characterized by a 1st-order reaction with an apparent activation energy of 193.0 kJ/mol. Interactions between C24H12 and MgSO4 are kinetically categorized as a slow TSR system because the high stability of coronene restricts the formation rate of H2S gas relative to rapid TSR systems containing C2+ hydrocarbons. When extrapolated to the temperature range of typical oil and gas reservoirs (100-200¡ã), the reaction rate of TSR by coronene is slightly higher than that of TSR involving methane, gypsum, and MgCl2 solutions Depletion of some organic carbons by TSR may contribute to the increase of S/C ratios in the mol. structure of thermogenic pyrobitumen. In deep carbonate reservoirs of methane-dominated TSR, hydrothermal reduction of sulfates by thermogenic pyrobitumen most likely occurs as a less well-recognized geochem. process.
ACS Earth and Space Chemistry published new progress about 191-07-1. 191-07-1 belongs to catalysis-chemistry, auxiliary class Electronic Materials, name is Coronene, and the molecular formula is C24H12, Product Details of C24H12.
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Catalysis – Wikipedia