Room and Pillar Design and Construction for Underground Coal Mining in Greece
Sign Up to like & getrecommendations! Published in 2018 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-018-0717-2
Abstract: The underground mining is the only potential way for the utilization of the lignite reserves from an open pit exploitation which could remain unexploited due to high stripping ratios. This paper is dealing with the… read more here.
Keywords: mining; underground coal; room pillar; greece ... See more keywords
Developing a New Probabilistic Approach for Risk Analysis, Application in Underground Coal Mining
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Failure Analysis and Prevention"
DOI: 10.1007/s11668-017-0325-0
Abstract: Underground coal mining is one of the most hazardous activities in all around the word. Therefore, risk analysis has a remarkable role in the coal mining works. In this study, a new probabilistic approach is… read more here.
Keywords: risk; coal mining; underground coal; roof fall ... See more keywords
A coupled thermal-mechanical numerical model of underground coal gasification (UCG) including spontaneous coal combustion and its effects
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Coal Geology"
DOI: 10.1016/j.coal.2018.09.015
Abstract: Abstract Underground coal gasification (UCG) is a promising option for extracting energy from coal in unworked or hard to access areas of the subsurface. From a geotechnical perspective, UCG involves various complex phenomena resulting from… read more here.
Keywords: thermal mechanical; underground coal; coupled thermal; gasification ucg ... See more keywords
A laboratory approach to CO2 and CO emission factors from underground coal fires
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Coal Geology"
DOI: 10.1016/j.coal.2019.103382
Abstract: Abstract Carbon emissions from underground coal fires (UCF) have become an emerging research topic and their role in global climate warming has been widely debated. Currently, one big uncertainty for assessing UCF's carbon emission is… read more here.
Keywords: carbon emissions; underground coal; carbon; coal fires ... See more keywords
Mercury emission from underground coal fires in the mining goaf of the Wuda Coalfield, China.
Sign Up to like & getrecommendations! Published in 2019 at "Ecotoxicology and environmental safety"
DOI: 10.1016/j.ecoenv.2019.109409
Abstract: The Wuda Coalfield, Inner Mongolia suffers from serious coal fires for more than half a century. Fire-extinguishing projects have been carried out to suppress the coal fires since the last decade, but sporadic surface fires… read more here.
Keywords: underground coal; fires mining; wuda coalfield; coal fires ... See more keywords
In situ sorption phenomena can mitigate potential negative environmental effects of underground coal gasification (UCG) - an experimental study of phenol removal on UCG-derived residues in the aspect of contaminant retardation.
Sign Up to like & getrecommendations! Published in 2021 at "Ecotoxicology and environmental safety"
DOI: 10.1016/j.ecoenv.2020.111710
Abstract: The aim of the study was to investigate the sorption interactions between phenol and materials obtained from four different underground coal gasification (UCG) ex-situ simulations. These interactions are significant in terms of the impact of… read more here.
Keywords: underground coal; sorption; gasification ucg; coal ... See more keywords
Interactions between organic nitrogen and inorganic matter in the pyrolysis zone of underground coal gasification: Insights from controlled pyrolysis experiments
Sign Up to like & getrecommendations! Published in 2017 at "Energy"
DOI: 10.1016/j.energy.2017.06.130
Abstract: In recent years, a variety of N-heterocyclic compounds and inorganic nitrogen species were identified during the field-scale experiment on underground coal gasification (UCG), leading to concerns about the environmental impact. In an attempt to unravel… read more here.
Keywords: nitrogen; pyrolysis; underground coal; inorganic matter ... See more keywords
Determination of random pore model parameters for underground coal gasification simulation
Sign Up to like & getrecommendations! Published in 2019 at "Energy"
DOI: 10.1016/j.energy.2018.10.156
Abstract: Gasification technologies represent the most viable options of thermochemical processing of solid fuels. They are also characterized by lower emissions and higher efficiency when compared to conventional combustion systems. Particular attention has been paid to… read more here.
Keywords: coal gasification; random pore; model; underground coal ... See more keywords
Optimization of synthesis gas heating values and tar by-product yield in underground coal gasification
Sign Up to like & getrecommendations! Published in 2018 at "Fuel"
DOI: 10.1016/j.fuel.2018.02.039
Abstract: Abstract Increasing global energy demand is a central challenge of the 21st century. Apart from renewable energy concepts, sustainable bridging and buffering technologies are needed which simultaneously offer long-term energy supply guarantees. Underground coal gasification… read more here.
Keywords: gasification; synthesis gas; underground coal; gas ... See more keywords
Investigation of coal particle gasification processes with application leading to underground coal gasification
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DOI: 10.1016/j.fuel.2018.10.058
Abstract: Abstract A coal particle model is developed to investigate the thermochemical processes of gasification for underground coal applications. The chemical reactions are defined with an Eddy Break up (EBU) model for controlling the reaction mechanisms… read more here.
Keywords: coal gasification; gasification; underground coal; coal particle ... See more keywords
Analysis of syngas production and reaction zones in hydrogen oriented underground coal gasification
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.117331
Abstract: Abstract Underground Coal Gasification (UCG) is an emerging technology that utilizes unmined coals. In UCG process, coal is burned and gasified underground. Produced syngas is collected through drilled wells to be processed or used directly.… read more here.
Keywords: underground coal; hydrogen; reaction; coal ... See more keywords