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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2014  >  36(5): 656-658
Zhang Zhenbing, Qiu Xiaolong, Yuan Yueqin, Li Xiangfeng, Hao Qi, Wang Jun. Experimental study on methane adsorption of coal bed from Sihe Mine in Qinshui Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(5): 656-658. doi: 10.11781/sysydz201405656
Citation: Zhang Zhenbing, Qiu Xiaolong, Yuan Yueqin, Li Xiangfeng, Hao Qi, Wang Jun. Experimental study on methane adsorption of coal bed from Sihe Mine in Qinshui Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(5): 656-658. doi: 10.11781/sysydz201405656
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Experimental study on methane adsorption of coal bed from Sihe Mine in Qinshui Basin

doi: 10.11781/sysydz201405656

  • Brigade 113, Guizhou Bureau of Geology and Mineral Exploration & Development, Liupanshui, Guizhou 553001, China

  • Received Date: 2014-01-05
  • Rev Recd Date: 2014-08-05
  • Publish Date: 2014-09-28
    Abstract
  • Due to abundant racks and pores, coal bed has a huge specific surface area which provides the necessary conditions for the adsorption of methane in coal. A case study was made in the Sihe Mine in the Qinshui Basin. Using the self-developed CBM adsorption experiment instrument, the absorption rules (including rate and amount) within 12 h of methane in coal of different sizes were studied. The absorption amount during the prior 10 minutes accounts for 40%-60% of total absorption amount. Moreover, the smaller the coal particle is, the bigger proportion the small particle accounts for, the faster the methane is absorbed. The adsorption capacities for different coal sizes range from 15.1 to 33.6 mL/g. The smaller the coal particle is, the more methane is absorbed in coal per unit. The study of the adsorption law of coal bed provides technological supports for the exploration and development of the Qinshui Basin.

     

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