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The underground coal gasification process. Underground coal gasification converts coal to gas while still in the coal seam (in-situ). Gas is produced and extracted through wells drilled into the unmined coal seam. Injection wells are used to supply the oxidants (air, oxygen) and steam to ignite and fuel the underground combustion process ...
Underground coal gasification (UCG) is an industrial gasification process, which is carried out in non-mined coal seams. It involves injection of a gaseous oxidizing agent, usually oxygen or air, and bringing the resulting product gas to the surface through production wells drilled from the surface.
In December 2012, it started cooperation with Ukrainian energy company DTEK to evaluate potential of the underground coal gasification on the DTEK's local coal resources. [25] Linc Energy had a subsidiary in Angren, Uzbekistan called Yerostigaz. Yerostigaz was established in 1961 and operated in the field of underground coal gasification.
It operates an underground coal gasification pilot plant at Bloodwood Creek, Queensland, Australia. [1] In 2009, Carbon Energy signed an agreement with the Chilean company Antofagasta Minerals to develop an underground coal gasification project in Mulpún , Chile. [ 2 ]
Leigh Creek Energy holds petroleum licences over the Leigh Creek Coalfield, a large coal deposit which spans approximately seven kilometres at Leigh Creek. [2] The company's flagship Leigh Creek Energy Project intends to produce gas at the site of the former Leigh Creek coal mine and develop a fertiliser production facility using waste gas streams and produce ammonium nitrate fertiliser for ...
It was created from the Laboratory of Underground Gasification of the All-Union Gas Research Institute (Russian: ВНИГИ), and developed technologies of underground coal, oil shale and petroleum gasification. The first director of VNIIPodzemgaz was Andrey Chernyshov.
In addition to coal, the Majuba Power Station is fired by syngas produced by underground coal gasification at the nearby Majuba demonstration facility on the Majuba coalfield. The 3,000–5,000 cubic metres per hour (110,000–180,000 cu ft/h) pilot plant was commissioned in January 2007 and the first electricity was generated from the ...
Underground coal gasification A process to convert coal to gas which occurs underground Coal, and volatiles embedded in the coal (mostly methane) are partially combusted in the presence of steam, oxygen and / or air, to produce hydrogen and carbon monoxide. UCG may be combined with GTL to produce liquid hydrocarbons from low-value coal reserves.