为了寻求清洁能源，充分利用煤炭资源，采用煤炭地下气化技术，通过应用膜分离法及PSA相结合方法来提高煤炭地下气化煤气中氢气质量分数。
With the aim of making a search for clean source of power, make the best use of the coal resources, we adopt the underground coal gasification technology.
本文阐述了煤炭地下气化的原理，并分析了主要变量对煤气质量的影响及各变量之间的关系。
This paper illustrates the principle of coal underground gasification and analyses the influence of some important variable on quality of product gas, as well as the relationship between variable.
在适宜的汽氧比条件下，不同煤种纯氧-水蒸汽地下气化均可以获得中热值煤气。
On optimum ratio of vapor to oxygen, oxygen-steam gasification of different coal can produce middle heat value gas.
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