Results 51 to 60 of about 272 (156)
Early Ideas in Underground Coal Gasification and Their Evolution
This article follows the development of early UCG (underground coal gasification) ideas. Historical facts are discussed mainly from the technological perspective and early experiments in UCG are analyzed.
Alexander Y. Klimenko
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Key technologies for low-carbon modern coal-based energy
Coal energy has made a significant contribution to the development of human industrialization, but coal energy is faced with the major problem of high carbon emissions. Modern coal-based energy is a new path to crack the contradiction between coal energy
Shirong GE +4 more
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The main goal of this study was the analysis of gas flow in the underground coal gasification process and interactions with the surrounding rock mass. The article is a discussion of the assumptions for the geometric model and for the numerical method for
Tomasz Janoszek +4 more
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Underground coal gasification (UCG) is an in situ conversion technique that enables the production of high-calorific synthesis gas from resources that are economically not minable by conventional methods. A broad range of end-use options is available for
Christopher Otto, Thomas Kempka
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Purpose The aim of the research presented in this paper was to determine the values of the kinetic parameters of coal pyrolysis from two areas of the planned experiment, UCG, i.e. the Barbara Experimental Mine of the Central Mining Institute and the Wieczorek Mine. Methods The thermal decomposition of coal analysis used the thermogravimetric technique.
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The monitoring and control of underground coal gasification in laboratory conditions [PDF]
A number of coal gasification technologies are currently available or under various stages of development. One technology “Underground coal gasification (UCG)” is receiving renewed interest around the world.
Ján Kačúr, Karol Kostúr
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A coupled thermo-mechanical model has been developed to assess permeability changes in the vicinity of an underground coal gasification (UCG) reactor resulting from excavation and thermo-mechanical effects.
Christopher Otto, Thomas Kempka
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Rock massif observation from underground coal gasification point of view [PDF]
The Underground coal gasification (UCG) of the coal seams is determined by suitable geological structure of the area. The assumption of the qualitative changes of the rock massif can be also enabled by application of geophysical methods (electric ...
T. Sasvári, J. Durove, B. Pandula
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Analysis of Risk Factors for Underground Coal Gasification
The purpose of this article is to determine the environmental impacts of underground gasification on the population and to analyze the risk of underground coal gasification (UCG) activities using selected risk assessment methods.
Škvareková Erika +3 more
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Underground Coal Gasification as a Strategy to Improve Energy Economy of Iran [PDF]
Enjoying the twelfth largest coal reserve in the world, only one percent of Iran’s energy consumption basket is supplied by coal. Now, Iran’s energy economy is under the influence of natural oil and gas resources, causing other more profitable energy ...
Jafar Haghighat +2 more
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