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Vol 183
Pages:
285-288
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RUS
Article

Investigations of the mechanism of methane desorption in coal saturation with carbon dioxide

Authors:
A. T. Karmansky
About authors
  • Ph.D. Senior Research Fellow Saint-Petersburg State Mining Institute (Technical University)
Date submitted:
2008-10-30
Date accepted:
2008-12-22
Date published:
2009-12-11

Abstract

The article considers the developed unit for investigations of interaction between coal and gas, and gas outflow from the coal surface by gravimetric method under gas pressure up to 6 MPa. Relationship between the sorption ability and metamorphism stage is explained by the microstructure of coal. The adsorption increment indices of volume V and velocity of changes in pressure P – during adsorption may be used for prediction of outburst-hazard of coal and gas.

Область исследования:
(Archived) Drilling
Keywords:
adsorption model desorption metamorphism sorption ability coal methane carbon dioxide
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References

  1. Rusyanova N.D. Coal chemistry. M.: Nauka, 2000, 316 p.
  2. Ettinger I.L. Physical chemistry of gas-bearing coal seam. M.: Nauka, 1981. 112 p.
  3. LangmuirI. The Constitution of Fundamental Properties of Solids and Liquids // J. Am. Chem. Soc., 1916.V. 38, pp 2221-2295.

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