Effects of inorganic sulfur species on hydrocarbon conversion and 34S isotope fractionation during thermal maturation of Type II kerogen

Organic Geochemistry(2022)

Cited 2|Views25
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Abstract
•TSR accelerated oil and hydrocarbon gas decompositions in the pyrolysis of OM.•Pyrite decomposition was responsible for the 34S-depletion of H2S at 330–450 °C.•TSR led to the enrichment in 34S of H2S and oils in thermal maturation of OM.•Two parts of 34S fractionation by KIE and 34S exchange were observed for TSR.
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Key words
Sulfur isotope fractionation,Kinetic isotope effect,Equilibrium isotope effect,Sulfate,Pyrite
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