Results 251 to 260 of about 57,328 (310)

Experimental Study on the Diffusion Law of Coal-Based Solid Waste Slurry with Grouting Filling in the Gangue Voids of the Caving Zone. [PDF]

ACS Omega
Xiang H, Zhen W, Ke Y, Xiang Y, Shuxin H, Yihao S, Bin L.   +6 more
europepmc   +1 more source

Mechanical properties and microscopic damage characteristics of coal series limestone under coupling effects of high temperature and impact. [PDF]

Sci Rep
Wu P, Zhang L, Li B, Zheng Y, Li M, Zhu F.   +5 more
europepmc   +1 more source

Pore Structure Evolution and Failure Mechanism of Limestone in the Taiyuan Formation of the Ordos Basin under High Temperature. [PDF]

ACS Omega
Kong L, Yin Z, Chen Y, Dong Z, Xu J.
europepmc   +1 more source

Study on the Length of Smoke Backlayering of Double-Source Fire in Tunnels. [PDF]

ACS Omega
Liang Z, Qi X, Wei C, Chen L, Rao Y, Li J, Su W, Zhang Y.   +7 more
europepmc   +1 more source

Experimental Study and Application Prospects of Coal Dust/Methane/Oxygen Pulse Detonation Performance: Coal Dust Equivalence Ratio and Types. [PDF]

ACS Omega
Guo J, Ge S, Guo Y, Liang J, Yang R.
europepmc   +1 more source

Environmental controls for underground coal gasification [PDF]

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2017
Effective environmental management of an underground coal gasification pilot has been demonstrated at Kogan in Queensland, Australia. It commenced with selection of a suitable site with a coal seam surrounded by impervious rocks that provided a gas seal for the gasifier and sufficient groundwater pressure to constrain lateral loss of gas and chemicals
CW Mallett
openaire   +3 more sources

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Underground coal gasification

AIChE Journal, 1978
AbstractUnderground coal gasification (UCG) is a method whereby the mining and conversion of coal are accomplished in a single step. Many field tests of UCG have been operated worldwide since the 1930's with varying degrees of success; based on this experience (especially in the USSR and United States), a field design which is applicable to a wide ...
Thomas F. Edgar, D. W. Gregg
openaire   +2 more sources

Effects of the Steam-To-Oxygen Ratio and the Equivalence Ratio on Underground Coal Gasification

Combustion Science and Technology, 2023
Underground coal gasification is a complex physico-chemical process. UCG thermodynamic equilibrium model was established and validated, and the effects of the steam-to-oxygen ratio (RH2O/O2) and the equivalence ratio (ER) on the gasification temperature ...
H. Fang, Sen Li, T. Ge, Yinan Liu, Yueyu Yu, Yuewu Liu, D. Liu, Jiu Ding, Longlong Li   +8 more
semanticscholar   +1 more source

Stress-Dependent Characteristics of Coal Permeability in Gasification Zone of Underground Coal Gasification

All Days, 2023
Underground coal gasification (UCG) is an environment friendly way to produce coal resource and its efficiency depends on gas flow through porous medium.
Yufeng Zhao, Zhen Dong, Yanpeng Chen, Hao Chen, J. Xue, Shanshan Chen, Mengyuan Zhang, Yan Peng   +7 more
semanticscholar   +1 more source