CMM Utilisation Opportunities: Unterschied zwischen den Versionen
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== CMM Utilisation Opportunities == | == CMM Utilisation Opportunities == | ||
| − | + | The major part of methane in coal mines is gas deliberating from the broken coal in the surroundings of the longwall and from dug part of the mine. Depending on the location and period of its disposal to the atmosphere, CMM can be divided into 3 classes, as shown in the tabel below. | |
| − | |||
{| border="1" | {| border="1" | ||
| − | ! width=" | + | ! width="250px" | High-Quality Gas |
> 50 % CH4 | > 50 % CH4 | ||
| − | ! width=" | + | ! width="250px" | SpalteMedium-Quality Gas |
25% < CH4 < 50% | 25% < CH4 < 50% | ||
| − | ! width=" | + | ! width="250px" | SpalteLow-Quality Gas |
< 4% CH4 | < 4% CH4 | ||
Version vom 7. März 2012, 16:43 Uhr
CMM Utilisation Opportunities
The major part of methane in coal mines is gas deliberating from the broken coal in the surroundings of the longwall and from dug part of the mine. Depending on the location and period of its disposal to the atmosphere, CMM can be divided into 3 classes, as shown in the tabel below.
| High-Quality Gas
> 50 % CH4 |
SpalteMedium-Quality Gas
25% < CH4 < 50% |
SpalteLow-Quality Gas
< 4% CH4 |
|---|---|---|
| • Natural gas pipelines
• Vehicle fuel (CNG, LNG) • Local distribution (CNG, LNG) |
• Power generation
• Heat generation • Combined heat & power generation • Boiler fuel • Coal mine heating • Ventilation air heating • Coal drying • District heating • Industrial applications • Fuel cells |
• Thermal Oxidation
• Catalytic Oxidation • Combustion air |
