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Microparagenetic Associations of Gold in Ore-Forming Minerals from Deposits of Different Geological and Industrial Types of Kazakhstan Read chapter Read first chapter

2015 | OriginalPaper | Chapter

N Reagents in the Reverse Flotation of Carbonate-Containing Iron Ores

Authors : Wanzhong Yin, Jizhen Wang, Longhua Xu

Published in: Proceedings of the 11th International Congress for Applied Mineralogy (ICAM)

Publisher: Springer International Publishing

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Abstract

The influence of pulp pH, dispersants, and auxiliary collectors on reverse flotation of carbonate-containing iron ores was explored. Interactions between iron ores and quartz were theoretically analyzed by flotation solution chemistry and DLVO theory. The results indicated that the iron concentrate grade improved sharply when pH increased from 11.0 to 12.0 but changed unobviously when pH was larger than 12.0, which was related to solution chemistry of siderite and interactions among particles. Sodium tripolyphosphate was an effective dispersant and sodium dodecyl sulfate was an effective auxiliary collector of KS-III. Both recovery and grade were enhanced by the action of sodium dodecyl sulfate or sodium tripolyphosphate when pH was 12.0.

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Metadata
Title
N Reagents in the Reverse Flotation of Carbonate-Containing Iron Ores
Authors
Wanzhong Yin
Jizhen Wang
Longhua Xu
Copyright Year
2015
Book
Proceedings of the 11th International Congress for Applied Mineralogy (ICAM)

Print ISBN: 978-3-319-13947-0

Electronic ISBN: 978-3-319-13948-7

Copyright Year: 2015

DOI
https://doi.org/10.1007/978-3-319-13948-7_45