Influence of liquid flowrate on size of nanobubbles generated by porous-membrane modules

Influence of liquid flowrate on size of nanobubbles generated by porous-membrane modules

The aim of this work was to investigate the influence of distilled water flowrate in two different porousmembrane modules on the size of generated nitrogen nanobubbles. Modules had different diameter and number of membrane tubes inside the module. As bubbles are cut off from the membrane surface by...

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Veröffentlicht in:Chemical and Process Engineering 2018-01, Vol.39 (3), p.335
Hauptverfasser: Ulatowski, Karol, Sobieszuk, Paweł
Format: Artikel
Sprache:eng
Schlagworte:
Bubbles
Distilled water
Gases
Liquid flow
Membranes
Modules
Process engineering
Shear stress
Tubes
Velocity
Water treatment
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creator Ulatowski, Karol
Sobieszuk, Paweł
description The aim of this work was to investigate the influence of distilled water flowrate in two different porousmembrane modules on the size of generated nitrogen nanobubbles. Modules had different diameter and number of membrane tubes inside the module. As bubbles are cut off from the membrane surface by a shear stress induced by the liquid flow, the change in the linear liquid velocity should result in a change of the generated bubble diameter. For both modules, higher flowrate of liquid induced generation of smaller bubbles, which was consistent with our expectations. This effect can help us in generation of bubbles of desired size.
doi_str_mv 10.24425/122954
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subjects Bubbles
Distilled water
Gases
Liquid flow
Membranes
Modules
Process engineering
Shear stress
Tubes
Velocity
Water treatment
title Influence of liquid flowrate on size of nanobubbles generated by porous-membrane modules
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