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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2002  >  24(2): 177-180
FU Xuehai, QIN Yong, LI Guanzhong, XU Lei, HU Chao. ADSORPTION EXPERIMENT OF EXTRA-HIGH RANK COAL UNDER THE CONDITION OF EQUILIBRIUM MOISTURE CONTENT[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2002, 24(2): 177-180. doi: 10.11781/sysydz200202177
Citation: FU Xuehai, QIN Yong, LI Guanzhong, XU Lei, HU Chao. ADSORPTION EXPERIMENT OF EXTRA-HIGH RANK COAL UNDER THE CONDITION OF EQUILIBRIUM MOISTURE CONTENT[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2002, 24(2): 177-180. doi: 10.11781/sysydz200202177
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ADSORPTION EXPERIMENT OF EXTRA-HIGH RANK COAL UNDER THE CONDITION OF EQUILIBRIUM MOISTURE CONTENT

doi: 10.11781/sysydz200202177

  • College of Mineral Resource and Environment Sciences, CUMT, Xuzhou, Jiangsu 221008, China

  • Received Date: 2001-01-11
  • Publish Date: 2002-03-25
    Abstract
  • In view of the gaps existing in the adsorptive characteristics research of extra high rank coal whose vitrinite has the maximum reflectance(Ro(max))of more than 4.0%,twelve coal samples(Ro(max)>4.0%)were collected systematically and conducted a high pressure and isothermal adsorption experiment under the condition of equilibrium moisture content,and the relationships between the Longmuir constant of extra high rank coal samples and Ro(max),maceral,specific pore volume or specific surface area were analyzed.It was found that inflection point on the curve of Longmuir volume vs.coal rank is around Ro(max)=4.5%.On the basis of above research,the adsorptive characteristics and mechanism of coal were discussed.

     

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