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Chinese Journal of High Pressure Physics  > 2003  >  17(1): 8-15 .
CHEN Jin-Yang, ZHENG Hai-Fei, ZENG Yi-Shan, SUN Qiang. An in-Situ Raman Spectroscopy Study of Isochoric H2O-CO2-CH4 Fluids under High Temperature[J]. Chinese Journal of High Pressure Physics, 2003, 17(1): 8-15 . doi: 10.11858/gywlxb.2003.01.002
Citation: CHEN Jin-Yang, ZHENG Hai-Fei, ZENG Yi-Shan, SUN Qiang. An in-Situ Raman Spectroscopy Study of Isochoric H2O-CO2-CH4 Fluids under High Temperature[J]. Chinese Journal of High Pressure Physics, 2003, 17(1): 8-15 . doi: 10.11858/gywlxb.2003.01.002
shu

An in-Situ Raman Spectroscopy Study of Isochoric H2O-CO2-CH4 Fluids under High Temperature

doi: 10.11858/gywlxb.2003.01.002

  • Department of Geology, Peking University, Beijing 100871, China

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  • Corresponding author: CHEN Jin-Yang
  • Received Date: 25 Feb 2002
  • Rev Recd Date: 18 Apr 2002
  • Publish Date: 05 Mar 2003
    Abstract
  • The characteristics of the H2O-CO2-CH4 fluid at high temperature were studied by Raman spectroscopy. The results show that the Raman spectra of CH4 and CO2 do not influence each other, but they are both affected by H2O at high temperature. The hydrogen bonding of water decreases linearly before it becomes homogenous under isochoric condition. As the fluid becomes a homogenous gas, the Raman spectroscopy has little change with temperature. The hydrogen bonding of water, however, still remains in the homogenous liquid, even at the highest temperature of 520 ℃ in experiment. For the homogenous fluid at the highest temperature of 580 ℃ during measurement, the hydrogen bonding of liquid water remains relatively stronger.

     

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