The Keshiketeng Banner government, Inner Mongolia, officially started supplying substitute natural gas (SNG) - produced by Datang International Power Generation Co's Keshiketeng substitute natural gas project which involves brown coal - to Beijing on Dec 24, Xinhua reported on Jan 2.
The gas is supplied to Beijing through a transmission pipeline stretching a total of 430 kilometers and it is expected to help secure the Chinese capital's winter gas supply and to play a positive role in the "Blue Sky Project," which aims to lower carbon emissions in major cities.
Various technical breakthroughs in methane conversion and waste water treatment mean that the economic feasibility of brown coal - a kind of low-rank coal with low calorific value, high ash and moisture content – has been greatly enhanced.