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Deformations of Fossil Coals on Swelling in an Atmosphere of Carbon Dioxide

机译：化石煤在二氧化碳大气中的溶胀变形

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摘要

The results of the simultaneous control of the sorption of gaseous CO_2 and the swelling of fossil coals from the Donets Basin under quasi-equilibrium conditions were analyzed. It was established that the isotherms of sorption and deformation obey the Langmuir formula in the region of sorbate pressures to 4.5 MPa. A linear correlation between the Langmuir sorption and deformation coefficients was found for a group of coals with the high yield of volatile substances, and a swelling criterion was established. A nonlinear relationship between the swelling of coal and the amount of the sorbed substance was obtained.
机译：分析了在准平衡条件下同时控制Donets盆地中气态CO_2吸附和化石煤膨胀的结果。已经确定，吸附和变形的等温线在4.5 MPa的吸附物压力范围内遵循Langmuir公式。发现一组挥发性物质含量高的煤在Langmuir吸附系数和变形系数之间存在线性关系，并建立了溶胀标准。获得了煤溶胀与吸附物质的量之间的非线性关系。

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  • 来源
    《Solid Fuel Chemistry》 |2014年第5期|281-285|共5页
  • 作者

    A. V. Bunin; D. L. Shirochin; S. A. Epshtein;

  • 作者单位

    Moscow State Mining University, Leninskii pr. 6, Moscow, 119991 Russia;

    Moscow State Mining University, Leninskii pr. 6, Moscow, 119991 Russia;

    Moscow State Mining University, Leninskii pr. 6, Moscow, 119991 Russia;

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