Results 31 to 40 of about 57,328 (310)

Studying the features of the implementation of underground coal gasification technology in terms of Lvivvuhillia SE [PDF]

open access: yesE3S Web of Conferences, 2020
Topical issues of the possibilities for changes in the coal extraction technology in terms of Stepova mine of Lvivvuhillia SE have been highlighted. Analysis of the current state of mining operations has been carried out.
Saik Pavlo   +5 more
doaj   +1 more source

PHYSICAL & CHEMICAL PROCESES FOR COAL DESTRUCTION IN UNDERGROUND GAS GENERATOR [PDF]

open access: yes, 2012
Estimate the material and thermal balance for providing the chemical reactions in underground gasgenn according to physical spreads of their ...
DYCHKOVSKYI, Roman   +7 more
core   +7 more sources

Critical review of methods for intensifying the gas generation process in the reaction channel during underground coal gasification (UCG)

open access: yesMining of Mineral Deposits, 2023
Purpose. The research purpose is to perform a critical analysis of methods for intensifying the gas generation process in the reaction channel to improve the efficiency and economic feasibility of coal seam gasification technology.
V. Lozynskyi
semanticscholar   +1 more source

Managing the process of underground coal gasification

open access: yesNaukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 2023
Purpose. The research purpose is to determine the efficiency parameter of the coal gasification process based on the analysis of the composition of combustible gases (Н2, СН4, СО) and the producer gas calorific value, depending on the methods of ...
P. Saik   +5 more
semanticscholar   +1 more source

Monitoring of coal fracturing in underground coal gasification by acoustic emission techniques [PDF]

open access: yes, 2017
During the underground coal gasification (UCG) process, fracturing and cracks occur inside the gasification zone and surrounding rocks as the underground coal cavity evolves.Although fracturing activity and crack extension directly affect gasification ...
Faqiang Su   +3 more
core   +5 more sources

A Review of Research on Advanced Control Methods for Underground Coal Gasification Processes

open access: yesEnergies, 2023
Underground coal gasification (UCG) is a clean coal mining technology without significant environmental impacts. This technology can also be used in deep, hard-to-reach seams or deposits affected by tectonic disturbances, where conventional mining is ...
J. Kačur   +4 more
semanticscholar   +1 more source

Underground Coal Gasification Efficiency in Areas of High Faulting Frequency [PDF]

open access: yes, 2017
The purpose of this paper is substantiating of efficiency during application of borehole underground coal gasification technology based on target coal seam geology.
Lozynskyi, Vasyl
core   +1 more source

Possibility to Reduce Dependence of Belarus on External Gas Energy Carrier

open access: yesНаука и техника, 2004
The paper contains data on brown coal reserves in Belarus. Method of underground gasification of coal is described in the paper. The paper reveals advantages of underground gasification of coal in comparison with traditional methods (underground and open
B. A. Bogatov, V. S. Voitenko
doaj   +1 more source

Underground coal gasification - the Velenje Coal Mine energy and economic calculations [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2017
Underground coal gasification (UCG) is a viable possibility for the exploitation of vast coal deposits that are unreachable by conventional mining and can meet the energy, economic and environmental demands of the 21st century.
Konovšek Damjan   +6 more
doaj   +1 more source

Underground Gasification of Coal

open access: yesJournal of the Fuel Society of Japan, 1965
Coal assumes an important role as energy souces along with hydraulic power in our country. In order to supply energy at low cost each coal mining company has tried to carry out the rationalization of industry in many respects.Hereafter it is necessary for us not only to promote the mechanized extraction of coal, but also to study positively the new ...
Hazime Nakamura, Shin Jrie
openaire   +2 more sources

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