Double reverse flotation of a very low grade sedimentary phosphate rock rich in carbonate and silicate

Mohammadkhani, M., Noaparast, M., Shafaei, S. Z., Amini, A., Amini, E. and Abdollahi, H. (2011) Double reverse flotation of a very low grade sedimentary phosphate rock rich in carbonate and silicate. International Journal of Mineral Processing, 100 3-4: 157-165.


Author Mohammadkhani, M.
Noaparast, M.
Shafaei, S. Z.
Amini, A.
Amini, E.
Abdollahi, H.
Title Double reverse flotation of a very low grade sedimentary phosphate rock rich in carbonate and silicate
Journal name International Journal of Mineral Processing   Check publisher's open access policy
ISSN 0301-7516
Publication date 2011-09-14
Sub-type Article (original research)
DOI 10.1016/j.minpro.2011.06.001
Volume 100
Issue 3-4
Start page 157
End page 165
Total pages 9
Place of publication Amsterdam, Netherlands
Publisher Elsevier BV
Collection year 2012
Language eng
Formatted abstract In this study, reverse flotation was applied to recover phosphate from a very low grade (5.01% of P2O5) sedimentary ore. Sodium silicate, starch, tannic acid, aluminum sulfate, (Na,K)Tartarat, sodium tripolyphosphate, H3PO4, and H2SO4 were used as phosphate mineral depressants in acidic and alkaline conditions. Oleic acid and Armac-T were added as carbonate and silicate collectors respectively, while pine oil was used as a frother and fuel oil as modifier. It was demonstrated that aluminum sulfate and (Na,K) Tartarat work synergistically to depress phosphate minerals. An experimental protocol was devised to optimize the grade and recovery of phosphate using two different methods: anionic–cationic and cationic–anionic. Anionic–cationic method was found more effective.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Julius Kruttschnitt Mineral Research Centre Publications
Official 2012 Collection
 
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Created: Thu, 25 Aug 2011, 11:59:43 EST by Karen Holtham on behalf of Julius Kruttschnitt Mineral Research Centre