Extraction of Pressurized Gas in Low Air-Conductivity Coal Seam Using Drainage Roadway
A drainage roadway was constructed in the fractured zone beside an air-return roadway of a mining site. However, drainage roadways serve only one working face and are discarded after mining, thus weakening sustainable mining practices. To improve the sustainability at mining sites, this paper propos...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2017-02-01
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| Series: | Sustainability |
| Subjects: | |
| Online Access: | http://www.mdpi.com/2071-1050/9/2/223 |