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Texture of Bituminous Kuznetsk Basin Coal
被引:0
|作者:
Kozyreva, E. N.
[1
]
Nepeina, E. S.
[1
]
Dudnikova, Yu N.
[2
]
机构:
[1] Russian Acad Sci, Fed Res Ctr Coal & Coal Chem, Inst Coal, Siberian Branch, Kemerovo, Russia
[2] Russian Acad Sci, Fed Res Ctr Coal & Coal Chem, Siberian Branch, Kemerovo, Russia
关键词:
Keywords;
bituminous Zh coal;
low-temperature nitrogen absorption;
textural characteristics;
specific surface;
micropores;
mesopores;
D O I:
10.3103/S1068364X22040032
中图分类号:
TQ [化学工业];
学科分类号:
0817 ;
摘要:
The specific surface and porosity of bituminous coal (rank Zh) are studied. The textural characteristics of Kuznetsk Basin coal are determined by various methods: for example, the specific surface by the Brunauer-Emmett-Teller (BET) method; the micropore volume by the comparative t-plot method; and the mesopore volume by the Barrett-Joyner-Halenda method from the low-temperature (77 K) absorption-desorption isotherms obtained by means of a Micromeritics ASAP 2020 instrument. The specific surface is small, and mesopore structure predominates for all the coal samples. Analysis of the pore structure of Kuznetsk Basin coal reveals their macro- and microstructure and provides information regarding their adsorption properties.
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页码:119 / 122
页数:4
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