Influence of Bubble Approach Velocity on Coalescence in α-Terpineol and n-Octanol Solutions.

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F18%3A00481563" target="_blank" >RIV/67985858:_____/18:00481563 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.5277/ppmp1820" target="_blank" >http://dx.doi.org/10.5277/ppmp1820</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.5277/ppmp1820" target="_blank" >10.5277/ppmp1820</a>

Result language

angličtina

Original language name

Influence of Bubble Approach Velocity on Coalescence in α-Terpineol and n-Octanol Solutions.

Original language description

This work presents results of an experimental study of the influence of the approach velocity on the coalescence of bubbles in aqueous solutions of n-octanol and α-terpineol. Experiments were performed in a coalescence cell allowing synchronized growth of a pair of bubbles in a liquid. High speed camera imaging was used to characterized the growth of the bubbles and their interaction in aqueous solution of different concentrations of surfactants. Coalescence efficiency and contact time till coalescence were determined as function of the approach velocity between bubbles and the concentration of surfactant. It was found that, for both surfactants, when the approach velocity between bubbles is higher than ~1 mm/s, the coalescence efficiency is independent of approach velocity and that the contact time is independent of the concentration of surfactant. Below ~1 mm/s, both the coalescence efficiency and the contact time are function of the surfactant concentration. For the higher velocities, the suppression of coalescence occurs at concentrations similar to the concentration of immobilization of the surface of free rising bubbles.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20402 - Chemical process engineering

Project

<a href="/en/project/GA15-15467S" target="_blank" >GA15-15467S: Bubble break-up in a turbulent flow</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Physicochemical Problems of Mineral Processing

ISSN

1643-1049

e-ISSN

—

Volume of the periodical

54

Issue of the periodical within the volume

1

Country of publishing house

PL - POLAND

Number of pages

8

Pages from-to

73-80

UT code for WoS article

000414203800008

EID of the result in the Scopus database

2-s2.0-85032483536