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	Optimization of Water Pumping and Injection for Underground Coal Gasification in the Meiguiying Mine, China
	Dong D. L.; Zhao, M. D.; Lin, G.; Zhao, W. J.; Zhang, K.; Li, N.
	2016
关键词	Hydrogeological model Seepage field Optimization drainage options Water injection
英文摘要	The Meiguiying mine is a famous underground coal gasification (UCG) mine in China, but there has been a potential safety hazard since it began operating, that groundwater in the overlying aquifer might enter the mine and even extinguish the gasifier. A 3-D hydrogeological model was developed to explore the characteristics of the seepage field of the aquifer and determine an optimal water pumping and injection option for the UCG. The results indicate that more attention should be paid to control induced fractures of the roof due to the increasing water level of the aquifer, and that a pumping rate of 160 m(3)/day would decrease the water level to a reasonable elevation. Moreover, to maintain the groundwater table and mine safety, 120 m(3)/day was recommended as a reasonable and economical recharge (re-injection) rate in the study area.
出处	Mine Water and the Environment
卷	35
期	3
页	398-404
语种	英语
ISSN号	1025-9112
DOI标识	10.1007/s10230-016-0389-1
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/42916]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Dong D. L.,Zhao, M. D.,Lin, G.,et al. Optimization of Water Pumping and Injection for Underground Coal Gasification in the Meiguiying Mine, China. 2016.

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