Effect of the Chemical Composition of Coals on Surface Wettability and Filtration Properties

Yu. F. Patrakov; Патраков Ю. Ф.; S. A. Semenova; Семенова С. А.; A. V. Yarkova; Яркова А. В.

doi:10.31857/S0023117723040096

Effect of the Chemical Composition of Coals on Surface Wettability and Filtration Properties

Авторлар: Patrakov Y.F.¹, Semenova S.A.¹, Yarkova A.V.¹
Мекемелер:
1. Coal Institute, Federal Research Center of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences
Шығарылым: № 4 (2023)
Беттер: 16-22
Бөлім: Articles
URL: https://bulletin.ssaa.ru/0023-1177/article/view/661824
DOI: https://doi.org/10.31857/S0023117723040096
EDN: https://elibrary.ru/OMVYYI
ID: 661824

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат
Рұқсат жабық

Рұқсат берілді
Рұқсат жабық

Тек жазылушылар үшін

Аннотация
Авторлар туралы
Әдебиет тізімі
Қосымша файлдар
Статистика

Аннотация

The method of liquid filtration through a layer of coal powder was used for a comprehensive characterization of surface wettability in conjunction with the determination of the contact angle. The effect of the degree of chemical maturity (metamorphism) of coal on the filtration characteristics of a layer with fractured porous properties was evaluated. Different activity of coal surfaces to water wettability upon a change from the native state to the surface-oxidized one was established. It was shown that the wetting and filtration properties of the coal surfaces increased from native to surface-oxidized coals and decreased as the degree of metamorphism increased from low to medium metamorphosed coals.

Негізгі сөздер

hard coal, laboratory sample preparation, oxidation, wettability, filtration

Әдебиет тізімі

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