- Tytuł:
-
Ruch pęcherzyka w cieczach i fizykochemiczna metoda detekcji zanieczyszczeń powierzchniowo-aktywnych w wodzie
Bubble motion in liquids and physocochemcal method of detection of surface-active pollutants in water - Autorzy:
-
Zawała, Jan
Kosior, Dominik
Małysa, kazimierz - Powiązania:
- https://bibliotekanauki.pl/articles/1853755.pdf
- Data publikacji:
- 2021
- Wydawca:
- Polskie Towarzystwo Chemiczne
- Tematy:
-
surfaktanty
micelizacja
krytyczne stężenie micelarne
ultrafiltracja micelarna
bubble
velocity
surfactant
drag coefficient
dynamic adsorption layer - Opis:
- Motion of gas bubbles in aqueous phase (either clean water or solutions of surface-active substances) is a phenomenon of great practical importance. Gas/liquid contacting is one of the most common operations in the chemical and petrochemical industry and mineral processing In particular in mineral industry, for all kind of flotation processes it is the main act responsible for the success of the entire technology As a result, properties of the liquid/gas interfaces are considered as a one of the most important parameters, determining the outcome of industrial applications and engineering processes. These properties can be modified by surfactants which adsorption (molecules accumulation) at the interfaces leads to the decrease in the interfacial tension and modification of the hydrodynamic boundary conditions. Description of a single bubble motion in wide range of flow magnitude (Reynolds numbers) is not trivial and many attempts have been undertaken to quantify a bubble behavior in liquids. This paper presents a short overview of the current “state of arts” on physics of the bubble motion in liquids and the elaborated models, describing motion of the bubble formed in liquid phase. The comparison of the theoretical models predictions with the available experimental data is presented. It is shown, moreover, that the bubble velocity can be used as a very sensitive tool for detection of organic contaminations in environmental water samples.
- Źródło:
-
Wiadomości Chemiczne; 2021, 75, 9-10; 1317-1342
0043-5104
2300-0295 - Pojawia się w:
- Wiadomości Chemiczne
- Dostawca treści:
- Biblioteka Nauki
Artykuł