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Vol 183
Pages:
285-288
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Research article
Drilling

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:
2009-04-01

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.

Keywords:
adsorption model desorption metamorphism sorption ability coal methane carbon dioxide
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References

  1. Русьянова Н.Д. Углехимия. М.: Наука, 2000. 316 с.
  2. Эттингер И.Л. Физическая химия газоносного угольного пласта. М.: Наука, 1981. 112 c.
  3. Lanqmuir I. The Constitution of Fundamental Properties of Solids and Liquid // J.Am.Chem. Soc., 1916. V. 38, pp. 2221-2295.

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