Journal
CHEMICAL ENGINEERING SCIENCE
Volume 98, Issue -, Pages 7-11Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2013.04.050
Keywords
Bubble; Aspect ratio; Rise velocity; Polymers; Solutions; Surfactant
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Funding
- Vale
- Teck
- Xstrata Process Support
- Barrick Gold
- Shell Canada
- SGS Lakefield Research
- COREM
- Flottec through the Chair in Mineral Processing under the NSERC (Natural Sciences and Engineering Research Council of Canada) CRD (Collaborative Research and Development) program
- Chilean Council of Science and Technology (CONICYT)
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Individual bubbles ca. 2.5 mm in diameter were produced at a capillary in water containing frother, polymer or inorganic salt. Bubble aspect ratio (shape) and rise velocity were measured ca. 1.2 m above the point of generation. Results suggest a unique relationship between bubble shape and rise velocity which is independent of solute type or concentration. (c) 2013 Elsevier Ltd. All rights reserved.
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