Results 21 to 30 of about 12,501 (249)

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.
DEGUCHI Gota   +3 more
core   +5 more sources

Study on fracturing monitoring and expansion law of underground gasification coal based on different gasification channel types

open access: yesMeitan xuebao, 2023
During the underground coal gasification process, the thermal stress produced at high temperatures will lead to coal cracking, which may cause gas leakage.
Faqiang SU   +7 more
doaj   +1 more source

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, 2018
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

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 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

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

Innovative aspects of underground coal gasification technology in mine conditions [PDF]

open access: yes, 2018
Purpose. Development of innovative approaches in technological and technical solutions improvement for coal seam gasification. Methods. Carrying-out of native and world experience in the coal reserves development by underground gasification technology ...
Dychkovskyi, R   +4 more
core   +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

USE OF MAGNETIC FIELDS FOR INTENSIFICATION OF COAL GASIFICATION PROCESS

open access: yesRudarsko-geološko-naftni Zbornik, 2022
Underground coal gasification is an alternative method for mining coal from thin and ultra-thin seams, which enables conversion of solid fossil fuels into combustible gases at the site of coal occurrence.
Vasyl Lozynskyi   +5 more
doaj   +1 more source

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