E3S Web Conf.
Volume 329, 20214th International Conference on Green Energy and Sustainable Development (GESD 2021)
|Number of page(s)||4|
|Published online||09 December 2021|
Study on the law of gas desorption under the condition of water flooding of the abandoned block coal in goaf
1 State Key Laboratory of the Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing, 400037, China
2 Chongqing Research Institute of China Coal Technology and Engineering Group Crop., Chongqing, 400037, China
* Corresponding author: firstname.lastname@example.org
China's coal production has formed a large number of goaf, which contains a large amount of coal and coalbed methane resources. If these resources are stored in the goaf, it will not only cause a waste of resources, but also cause environmental pollution if the coalbed methane in the goaf leaks into the atmosphere. Therefore, the utilization of goaf resources is imminent. In order to achieve the purpose of efficient extraction, it is necessary to evaluate the amount of goaf resources. As an important part of goaf resources, the desorption law of abandoned coal is affected by many factors, among which water is an important factor affecting the desorption law of abandoned coal. At present, there are few studies on the desorption law of block coal under different watered-out volumes.
© The Authors, published by EDP Sciences, 2021
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