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Article Navigation >  Acta Sedimentologica Sinica  > 1995  >  13(S1): 118-123

Wu Qingyu, Zhang Bing, Sheng Guoying, Fu Jiamo. Study on the Free and Pyrolyzed Hydrocarbons of Bacillus. Subtilis[J]. Acta Sedimentologica Sinica, 1995, 13(S1): 118-123.
Citation: Wu Qingyu, Zhang Bing, Sheng Guoying, Fu Jiamo. Study on the Free and Pyrolyzed Hydrocarbons of Bacillus. Subtilis[J]. Acta Sedimentologica Sinica, 1995, 13(S1): 118-123.
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Study on the Free and Pyrolyzed Hydrocarbons of Bacillus. Subtilis

  • 1 Department of Biology, Naming University, Nanjing 210093;

  • 2 Institute of Geochemistry, Chinese Academy of Sciences,Guangzhou 510640

  • Received Date: 1994-10-05
  • Publish Date: 1995-12-10
  • The free hydrocarbons and vacuum pyrolyzed hydrocarbons of B. subtilis were analyzed by GC and GCMS system. The gas generation rate in B.subtilis during thermal degradation was high (67. 8ml/g), the ratio of normal and isomeric alkanes was low, and that of ethane to ethylene was high. The content of cholroform extractable organic matter increased by 9. 74 times after thermal degradation. The free hydrocarbons were mainly composed of C16-C30 n -alkanes with C27 as a main peak. The pyrolyzed hydrocarbons were mainly composed of C12-C20 branched-chain alkanes, C12-C25 n-alkanes and C15-C20, isoprenoid alkanes, with 3-Methyltridecane as a main peak, the content of C15 n-alkane was the highest among all n-alkanes.
  • [1] 1.R. B.约翰斯主编，1991，沉积记录中的生物标志物，王铁冠等译，北京:科学出版社，171-182。

    2.吴庆余等,1993，异养黄化燕类产烃研究新发现，中国科学(B辑),23(4):423-429。

    3.Philp, R. P.，1980, Comparative organic geochemical studies of recent algal mete and sediments of algal origin. In: P. A.Trudinger, M. R. Walter and B. J. Ralph (Editors)，Biogeochemistry of Ancient and Modern Enviroments. Aus- tralian Academy of Science, Canberra, A. C. T.，173一187.

    4.David, R.，1992, Comments on the source of petroleum hydrocarbons in hydrous pyrolysis, Org. Geochem. 18(1):79一81.

    5.R. P.菲尔普著,1987，化石嫉料生物标志物，傅家澳、盛国英译，北京:科学出版社，11-13。

    6.Shiea, J, et al.，1990, Mid一Chain branched mono一and dimethyl alkanes in hot spring cynobacterial wags: A direct biogenic source for branched allcanes in ancient sediments? Org. Geochem. 15(3):223一231.
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  • Received:  1994-10-05
  • Published:  1995-12-10

Study on the Free and Pyrolyzed Hydrocarbons of Bacillus. Subtilis

  • 1 Department of Biology, Naming University, Nanjing 210093;
  • 2 Institute of Geochemistry, Chinese Academy of Sciences,Guangzhou 510640
  • Received Date: 1994-10-05
  • Publish Date: 1995-12-10

Abstract: The free hydrocarbons and vacuum pyrolyzed hydrocarbons of B. subtilis were analyzed by GC and GCMS system. The gas generation rate in B.subtilis during thermal degradation was high (67. 8ml/g), the ratio of normal and isomeric alkanes was low, and that of ethane to ethylene was high. The content of cholroform extractable organic matter increased by 9. 74 times after thermal degradation. The free hydrocarbons were mainly composed of C16-C30 n -alkanes with C27 as a main peak. The pyrolyzed hydrocarbons were mainly composed of C12-C20 branched-chain alkanes, C12-C25 n-alkanes and C15-C20, isoprenoid alkanes, with 3-Methyltridecane as a main peak, the content of C15 n-alkane was the highest among all n-alkanes.

Wu Qingyu, Zhang Bing, Sheng Guoying, Fu Jiamo. Study on the Free and Pyrolyzed Hydrocarbons of Bacillus. Subtilis[J]. Acta Sedimentologica Sinica, 1995, 13(S1): 118-123.
Citation: Wu Qingyu, Zhang Bing, Sheng Guoying, Fu Jiamo. Study on the Free and Pyrolyzed Hydrocarbons of Bacillus. Subtilis[J]. Acta Sedimentologica Sinica, 1995, 13(S1): 118-123.
shu

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