E3S Web Conf.
Volume 15, 2017The 1st Scientific Practical Conference “International Innovative Mining Symposium (in memory of Prof. Vladimir Pronoza)”
|Number of page(s)||6|
|Section||Perspective Mining Technologies|
|Published online||07 April 2017|
Experimental Study of Methane Hydrates in Coal
1 T.F. Gorbachev Kuzbass State Technical University, Department of physics, 650000 Kemerovo, 28 Vesennaya st., Russian Federation
2 Nikolaev Institute of Inorganic Chemistry SB RAS, laboratory of clathrate compounds, 630090 Novosibirsk, Ac. Lavrentiev Ave., 3,, Russian Federation
3 T.F. Gorbachev Kuzbass State Technical University, Department of mining machines and systems, 650000 Kemerovo, 28 Vesennaya st., Russian Federation
* Corresponding author: email@example.com
The possibility of gas hydrate formation in porous space of coal has been studied. The experiments conducted have proven the possibility of methane gas hydrate formation in moist coal. It has been demonstrated that the decomposition points of methane gas hydrates in coal are near to the phase equilibrium curve for bulk methane hydrate. Only part of water absorbed by coal can be involved in the methane gas hydrate formation. With the increase in gas pressure increases the amount of gas hydrate formed in natural coal. For formation of hydrates at a positive temperature, the pressure in the system has to be at least 2 MPa. At the same time the speed of formation and decomposition of gas hydrates in coal is big enough.
© The Authors, published by EDP Sciences, 2017
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