Topic
Underground coal gasification
About: Underground coal gasification is a research topic. Over the lifetime, 1144 publications have been published within this topic receiving 12685 citations.
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TL;DR: Underground coal gasification (UCG) is a promising option for the future use of un-worked coal as mentioned in this paper, which can be used for industrial heating, power generation or the manufacture of hydrogen, synthetic natural gas or diesel fuel.
332 citations
Patent•
05 Dec 1985TL;DR: In this article, the use of an air-blown underground coal gasification plant to produce low-Btu gas thereby providing boiler fuel needed for an oxygen-battery-powered underground coal coal gasifier was discussed.
Abstract: Use of an air-blown underground coal gasification plant to produce low-Btu gas thereby providing boiler fuel needed for an oxygen-blown underground coal gasification plant. The product from the oxygen-blown plant can be used for the production of synthetic natural gas or other uses. A preferred production gasification is also shown.
259 citations
TL;DR: In an effort to understand the cavity growth mechanisms occurring during an underground coal gasification (UCG) test, a study of the thermomechanical effects has been initiated at Sandia National Laboratories.
Abstract: In an effort to understand the cavity growth mechanisms occurring during an Underground Coal Gasification (UCG) test, a study of the thermomechanical effects has been initiated at Sandia National Laboratories. The first phase of this study has been the determination of the intrinsic thermal and structural properties of the Hanna Basin Coal that was utilized in a series of four UCG tests near the town of Hanna, Wyoming. The result of this study is a consistent set of thermal and structural properties of a Hanna Basin coal. This set has been used in a model that successfully simulated the growth of the cavity observed during the Hanna II UCG test.
206 citations
TL;DR: In this article, the potential for UCG in India is studied by comparing the properties of Indian coals with those of coal that are utilized by various UCG trials, which will help to motivate both applied and theoretical research on UCG sites in India and after detailed analysis it will provide basic data to interested industries.
195 citations
TL;DR: In this article, the current status of underground coal gasification (UCG) is reviewed, focusing on recent developments in various countries, and the potential of UCG to be linked with carbon capture and sequestration.
Abstract: Coal gasification is a promising option for the future use of coal. Similarly to gasification in industrial reactors, underground coal gasification (UCG) produces syngas, which can be used for power generation or for the production of liquid hydrocarbon fuels and other valuable chemical products. As compared with conventional mining and surface gasification, UCG promises lower capital/operating costs and also has other advantages, such as no human labor underground. In addition, UCG has the potential to be linked with carbon capture and sequestration. The increasing demand for energy, depletion of oil and gas resources, and threat of global climate change lead to growing interest in UCG throughout the world. In this article, we review the current status of this technology, focusing on recent developments in various countries.
191 citations