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Combined process for underground gasification of coal - using alternative processes in sequence

机译:煤炭地下气化联合工艺-依次使用替代工艺。

摘要

The processes vary in the gasification medium, mean pressure, gasification temp., direction of gas flow, etc. More rapid gasification can be used, and coal consumed which cannot be reached in a single process. In an example, a coal seam is fractured by hydrocracking and subjected to hydrogenating gasification using alternating pressure from a single borehole. After sufficient opening of the passages, this if followed by oxidising gasification between boreholes and then by hydrogenating gasification between boreholes.
机译:该过程在气化介质,平均压力,气化温度,气流方向等方面有所不同。可以使用更快速的气化,并且消耗的煤炭是单个过程无法达到的。在一个示例中,通过加氢裂化使煤层破裂,并使用来自单个钻孔的交变压力对其进行氢化气化。在通道充分打开之后,如果要进行氧化,则要在井眼之间氧化气化,然后对井眼之间的气化进行氢化。

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