CO 2-air is a potential gasifying-oxidizing medium for two stage mode of underground coal
gasification (UCG). The existing literature deficits the UCG studies on the use of CO 2-air as …

An experimental simulation of underground coal gasification (UCG) using large bulk
samples of ortho-lignite was conducted in an ex-situ laboratory installation. The main goal of …

Underground coal gasification is one of the clean technologies of in-situ coal utilization.
Hydrogen production from underground gasification of lignite was investigated in this study …

Gasification plays an important role in the development of clean coal technology. To seek
appropriate operations for synthesis gas (syngas) formation, the present study develops a …

Underground water present in aquifer has the tendency to encroach during underground
coal gasification (UCG) operation because of pressure reduction in the reservoir. The water …

The stability of the process of underground coal gasification and its gas compositions
depend on, to a large extent, the features of the convection diffusion of the gas and the …

In this study, we carried out a kinetic investigation to analyze the steam gasification of FS (Fu
Shun) coal. The effect of reaction temperature (1573 K–1673 K) was studied, and the …

The expansion pattern of the three reaction zones, including oxidation, reduction, and dry
distillation zones in the underground coal gasification (UCG) process, is recognized to be …

In this paper, the gasification conditions, the gasifier structure, the measuring system and the
gasification rationale of a pilot project experiment of underground coal gasification (UCG) in …

Underground coal gasification (UCG) technology is an innovative coal in-situ chemical
combustion mining method. Affected by complex geological conditions and poor …