Determining the Wettability of Coal Surfaces

被引：5
|
作者：
Patrakov, Yu. F. [1 ]
Semenova, S. A. [1 ]
Kharlampenkova, Yu. A. [1 ]
Sozinov, S. A. [2 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Fed Res Ctr Coal & Coal Chem, Inst Coal, Kemerovo, Russia
[2] Russian Acad Sci, Siberian Branch, Fed Res Ctr Coal & Coal Chem, Collect Use Ctr, Kemerovo, Russia
来源：
COKE AND CHEMISTRY | 2019年 / 62卷 / 12期
关键词：
coal; surface wettability; limiting wetting angle;
D O I：
10.3103/S1068364X19120081
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
For Kuznetsk Basin coal of different metamorphic stages, the fundamental difference between determining the limiting wetting angle of a coal surface by means of a hanging bubble and a sitting droplet is determined. The influence of surface preparation (briquetting of powder, plane cleavage, or surface polishing after plane cleavage) on the limiting wetting angle is investigated. The methodological features of sample preparation that affect the determination of coal wettability are identified.
引用
收藏
页码：545 / 551
页数：7
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