Preliminary Study Of Underground Coal Gasification (UCG) Potential In Muara Wahau Area, Kutai Basin

Pratiwi, Ragil; Kurniawan, Widya; Nugroho, Hadi

doi:10.29118/ipa.0.13.sg.005

Cited by 2 publications

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“…Based on UCG research conducted in Japan, the gas products produced consist of CO, CH4, CO2, and H2 gas [3][19] [20]. Coal combustion gas products (syngas) from UCG testing can be used for power plants, industrial raw materials, motor vehicle fuels and diesel fuel where previously the gas has been cleaned [4][21]- [24]. Therefore, the researchers analyzed the effect of coal rank and combustion temperature on the gas concentration resulting from the laboratory-scale for Underground Coal Gasification test.…”

Section: Introductionmentioning

confidence: 99%

Syngas Underground Coal Gasification (UCG) Testing of Fracture Type Subbituminous Coal in Laboratory Scale

2021

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Underground Coal Gasification is a method used to convert underground coal seams into a gaseous product commonly called synthetic gas through a flammable chemical process without going through a conventional mining process. The UCG concept was first developed in England which was then continued by the Soviet Union in field trials of UCG which was used as a power plant. In Indonesia, Tekmira has begun to research UCG, but there are very few publications on UCG. Therefore, it is necessary to conduct research on laboratory scale UCG for analysis of gas products to support the study of renewable energy. UCG testing begins with sample preparation followed by laboratory-scale coal gasification testing. There is a sample of coal used in the test, namely Subbituminous Coal from Tanjung Enim, South Sumatra. Initial combustion is carried out by flowing propane gas into the reactor tube using a burner. Furthermore, a mixture of oxygen gas and compressed air is used to keep the coals burning. After obtaining the gas from the combustion, then gas sampling is carried out using a suction pump which will be stored in a tedlar gas bag. Combustion gas products will be checked for syngas concentration using a Gas Chromatography tool to determine the concentration of CH4, CO2 and O2 gases. From the tests that have been carried out, the gas concentrations of O2 are 3.67%, CO2 41.51%, and CH4 6.93%. Coal in the confined test conditions has good conditions with indications of seeing the concentration of CH4, O2, and CO2 gas.

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Section: Introductionmentioning

confidence: 99%

Syngas Underground Coal Gasification (UCG) Testing of Fracture Type Subbituminous Coal in Laboratory Scale

2021

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Underground Coal Gasification: A New Source of Gas

Centofanti¹

2020

SPE Asia Pacific Oil &Amp; Gas Conference and Exhibition

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This paper will introduce a novel source of unconventional gas, called Underground Coal Gasification (UCG), also known as In-Situ Gasification (ISG), which has been around for a long time. Due to the inexpensive cost of oil and gas, along with the abundance of coal and the low cost of mining coal seams close to the surface, UCG has not attracted a lot of attention in the past. With the demand and price for gas increasing and the move away from mining coal, UCG is becoming more attractive as a way of extracting energy from deep uneconomic coal deposits and at the same time, lowering GHG emissions and reducing the environmental impact to the landscape. With the majority of the world's coal deposits being uneconomic to mine and with the lack of gas reserves in most countries, UCG provides the perfect alternative to produce gas from coal without the environmental impact. There are numerous advantages to extracting syngas from coal seams, when compared to conventional coal mining and to CSG (Coal Seam Gas).

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Preliminary Study Of Underground Coal Gasification (UCG) Potential In Muara Wahau Area, Kutai Basin

Cited by 2 publications

References 0 publications

Syngas Underground Coal Gasification (UCG) Testing of Fracture Type Subbituminous Coal in Laboratory Scale

Syngas Underground Coal Gasification (UCG) Testing of Fracture Type Subbituminous Coal in Laboratory Scale

Underground Coal Gasification: A New Source of Gas

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