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- W2393875101 abstract "The six macerals, including alginite, sporinite, cutinite, vitrinite, desmocollinite and fusinite, are isolated from Jurassic coals in Northwest China, and are undergone the Rock-Eval and hydrous pyrolysis. A series of geochemical analyses of the pyrolysis oils produced by the macerals are carried out. In terms of the genetic potential of the macerals and the stable carbon isotope of the pyrolysis oils, it is revealed that alginite has the highest potential of hydrocarbon generation in these macerals, with the lightest stable carbon isotope composition of its pyrolysis oil. The genetic potential of hydrocarbon of sporinite and cutinite is largely lower than that of alginite. The stable carbon isotope composition of their pyrolysis oils is heavier than that of alginite, and approximately accords with that of the oils derived from Jurassic coal measures, Northwest China. It is indicated that these hydrogen-rich macerals are main material to generate oil in the Jurassic coal measures. Vitrinite and desmocollinite have a relatively low potential of hydrocarbon generation. The stable carbon isotope composition of their pyrolysis oils is heavier than that of sporinite, cutinite and oils derived from coal-bearing strata. It seems that they cannot be major macerals to generate oil, even if they occupy a majority of proportion in the organic matter of coal and coaly shale, and that they can be good gas-prone macerals at the stage of high-maturity to over-maturity. Fusinite has an extremely low potential of hydrocarbon generation, and cannot be the organic matter of oil generation. The relationship of the content of hydrogen-rich macerals with the genetic potential of the coals containing these macerals suggested that it is not reliable to estimate the oil potential just with the content of hydrogen-rich liptinite, and that Rock-Eval pyrolysis is the economical, fast and effective method." @default.
- W2393875101 created "2016-06-24" @default.
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- W2393875101 date "2006-01-01" @default.
- W2393875101 modified "2023-09-25" @default.
- W2393875101 title "Genetic potential and geochemical features of pyrolysis oils of macerals from Jurassic coal measures, Northwest China" @default.
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