- PII
- S3034607XS0023117725040066-1
- DOI
- 10.7868/S3034607X25040066
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume / Issue number 4
- Pages
- 57-63
- Abstract
- For many technological processes of coal mining, sorting, enrichment and transportation, it is important for the coal surface to be wetted by different liquids. As a measure of wettability, we used the method of determining the edge wetting angle of the coal surface and filtering the liquid through a layer of coal powder. An assessment is given of the effect of changes in the chemical composition and porosity of coals along the row of their metamorphism on the characteristics of wettability. It has been shown that the wettability and filtration properties of coals have an extreme dependence with a minimum at the average stage of metamorphism.
- Keywords
- каменный уголь степень метаморфизма гидрофобность поверхности смачиваемость фильтрация
- Date of publication
- 25.12.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 22
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