The theoretical calculation of activity coefficients in the use of baromembrane methods for water treatment

Ескіз

Дата

2021

Автори

Kravchenko, M
Bereznytska, Y
Hunchenko, O
Vasylenko, L
Haba, K

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Журнал ISSN

Назва тому

Видавець

Анотація

Baromembrane methods are a modern tool for implementing a number of priority areas of science, technology and engineering. One of the main problems in the use of baromembrane methods in water treatment processes is the problem of calculating one of the main parameters of these processes - osmotic pressure. For medium and high values of concentration, due to deviations of thermodynamic equations from ideality due to electrostatic forces and forces of intermolecular interaction, in the formula for calculating osmotic pressure it is necessary to enter values of activity coefficients. The existing methods of calculation of activity coefficients are analysed in the article and the method of theoretical calculation of activity coefficients in the process of using aromembrane methods for water treatment is offered.

Опис

Ключові слова

кафедра технологій захисту навколишнього середовища та охорони праці, osmotic pressure, baromembrane methods, aqueous solution, activity coefficient, thermodynamic processes

Бібліографічний опис

The theoretical calculation of activity coefficients in the use of baromembrane methods for water treatment / M. Kravchenko, Y. Bereznytska, O. Hunchenko [etc] // GEOTERRACE-2021 : International Conference of Young Professionsls, 4 - 6 Oct 2021. - Lviv, 2021. - P. 1 – 5. DOI: https://doi.org/10.3997/2214-4609.20215K3028 https://www.earthdoc.org/content/papers/10.3997/2214-4609.20215K3028

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