Acid mist and bubble size correlation in copper electrowinning

Al Shakarji, Reza, He, Yinghe, and Gregory, Simon (2012) Acid mist and bubble size correlation in copper electrowinning. Hydrometallurgy, 113-114. pp. 39-41.

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Abstract

The average bubble size and the amount of acid mist generated during copper electrowinning were measured under a variety of operating conditions. In the absence of surfactants, the amount of generated acid mist decreased as the average bubble size increased. In contrast, in the presence of FC-1100, a surfactant typically used to supress acid mist, acid mist showed little correlation with the average bubble size. The significant change in the bubble burst mechanism, due to the presence of surfactant molecules in the solution/air interface, is believed to be the reason for the suppression of the effect of bubble size on acid mist.

Item ID: 19883
Item Type: Article (Refereed Research - C1)
Keywords: copper electrowinning; bubblesize; acidic mist; surfactant; surface elasticity
ISSN: 0304-386X
Date Deposited: 15 May 2012 00:59
FoR Codes: 09 ENGINEERING > 0904 Chemical Engineering > 090407 Process Control and Simulation @ 30%
09 ENGINEERING > 0904 Chemical Engineering > 090408 Rheology @ 70%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8402 Primary Mining and Extraction Processes of Mineral Resources > 840202 Mining and Extraction of Copper Ores @ 100%
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