Bubble-particle collision interaction in flotation systems

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F15%3A43899694" target="_blank" >RIV/60461373:22340/15:43899694 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S0927775714008954" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0927775714008954</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.colsurfa.2014.11.040" target="_blank" >10.1016/j.colsurfa.2014.11.040</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Bubble-particle collision interaction in flotation systems

Popis výsledku v původním jazyce

tThis work studies single bubble-single particle interactions of interest to flotation applications. An exper-imental device has been developed where a standing bubble is approached at prescribed flow velocityby an aqueous dispersion of particles - muchsmaller than the bubble. Two separate high-speed cam-eras are employed to monitor the bubble surface from two different Cartesian directions allowing thusa 3D perspective of particles trajectories and collisions with the bubble. A special feature of thedevice isthat the velocity of the suspension and the size of the bubble can be independently adjusted in a rangeof values that corresponds to the flotation process. This paper presents experimental trajectories andvelocities of particles as they approachand flow past a bubble. A theoretical model has been developedto describe such particle trajectories and velocities. Comparison between experimental observations withmodel predictions allows a detailed assessment of governing forces and

Název v anglickém jazyce

Bubble-particle collision interaction in flotation systems

Popis výsledku anglicky

tThis work studies single bubble-single particle interactions of interest to flotation applications. An exper-imental device has been developed where a standing bubble is approached at prescribed flow velocityby an aqueous dispersion of particles - muchsmaller than the bubble. Two separate high-speed cam-eras are employed to monitor the bubble surface from two different Cartesian directions allowing thusa 3D perspective of particles trajectories and collisions with the bubble. A special feature of thedevice isthat the velocity of the suspension and the size of the bubble can be independently adjusted in a rangeof values that corresponds to the flotation process. This paper presents experimental trajectories andvelocities of particles as they approachand flow past a bubble. A theoretical model has been developedto describe such particle trajectories and velocities. Comparison between experimental observations withmodel predictions allows a detailed assessment of governing forces and

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CI - Průmyslová chemie a chemické inženýrství

OECD FORD obor

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Projekt

—

Návaznosti

O - Projekt operacniho programu

Rok uplatnění

2015

Kód důvěrnosti údajů

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

Název periodika

Colloids and Surfaces A: Physicochemical and Engineering Aspects

ISSN

0927-7757

e-ISSN

—

Svazek periodika

473

Číslo periodika v rámci svazku

May 2015

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

9

Strana od-do

95-103

Kód UT WoS článku

000352959500014

EID výsledku v databázi Scopus

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