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
来源：
COKE AND CHEMISTRY | 2022年 / 65卷 / 04期
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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收藏
页码：119 / 122
页数：4
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