Title of article :
Methane desorption from a coal-bed
Author/Authors :
Alexeev، نويسنده , , A.D. and Feldman، نويسنده , , E.P. and Vasilenko، نويسنده , , T.A.، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2007
Pages :
7
From page :
2574
To page :
2580
Abstract :
We study the desorption of methane from a coal-bed. A model taking into account both methane diffusion in coal – blocks and its filtration through the system of open pores and cracks is developed. Methane pressure in the coal-bed is found for an arbitrary instant of time. Dependency of the rate of methane release upon the block size, open and closed porosity, viscosity, solubility, bed pressure and temperature is established. We derive the effective coefficient of diffusion of methane in blocks containing closed pores filled with gaseous methane. It is shown that at a hindered diffusion methane is distinctly divided into the “quick” and the “slow” one.
Keywords :
Coal , Methane , Desorption
Journal title :
Fuel
Serial Year :
2007
Journal title :
Fuel
Record number :
1464311
Link To Document :
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