Browsing Faculty of Natural and Agricultural Sciences by Subject "Underground coal gasification"
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Groundwater monitoring during underground coal gasification
(SAIMM, 2018)Underground coal gasification (UCG) is a fast-emerging, in situ mining technology that provides access to low-cost energy through the utilization of coal reserves that are currently not technically or economically exploitable ... -
The influence of the roof and floor geological structures on the ash composition produced from coal at UCG temperatures
(Taylor & Francis, 2020)The mineralogy of the ash and slag formed at typical UCG temperatures were investigated using a bituminous coal from the Theunissen UCG site in the Free State province of South Africa. The ash and slag samples were produced ... -
SAUCGA: the potential, role, and development of underground coal gasification in South Africa
(SAIMM, 2018)This paper offers an introduction to and strategic context for the other papers included in this special UCG edition of the Journal of the Southern African Institute of Mining and Metallurgy. South Africa is facing long-term ...