Underground coal gasification has achieved breakthrough progress

Recently, the reporter learned from the Wulanchabu government of the Inner Mongolia Autonomous Region that the underground coal gasification project of Inner Mongolia Xinao successfully achieved underground coal gasification and combustion power generation. At present, the project has been running smoothly for more than 300 days, and cumulative gasification and combustion has generated 469,000 kWh. According to the plan, by 2012, underground coal gasification technology will also be used to build a high-quality methanol production line with an annual output of 20,000 tons.
According to reports, Wulanchabu Xinao Gasification Coal Mining Technology Co., Ltd. and China University of Mining and Technology (Beijing) jointly carried out research on the technology of underground coal gasification without wells in January 2007. Coal underground gasification is the burning of underground coal, which produces combustible gases through the thermal and chemical action of coal. This multi-disciplinary new technology for the development of clean energy and chemical raw materials that combines well construction, coal mining, and conversion technology has the advantages of safety, high efficiency, and low pollution, and is conducive to environmental protection and ecological balance.
It is understood that the project was started in April 2007 at the Gonggou Qiangqian coalfield in the Ulanqab city, Inner Mongolia Autonomous Region, with a total investment of 860 million yuan. In January of this year, the underground coal gasification technology successfully passed the scientific and technological achievements appraisal hosted by the Ministry of Science and Technology of Inner Mongolia Autonomous Region. It has now formed a batch of valuable innovative research results and applied for nine patents.
For the first time, this project has established a set of underground coal gasification test system and production system with 150,000 cubic meters of daily production gas in China, which provides a good platform for the development of coalless gasification technology in China. At the same time, the project has a great cost advantage. The cost of gas generation is only about 40% of the surface gasification and gasification, and it has high economic benefits.

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