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Novel technique for the recovery of coarse North Carolina phosphate
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Citation (Style = APA)
Davis, B. E. ; Liewellyn, T. O. ; Sullivan, G. V. (1987). Novel technique for the recovery of coarse North Carolina phosphate.
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SpreadSheed (CSV)
Davis, B. E. ; Liewellyn, T. O. ; Sullivan, G. V. (1987). Novel technique for the recovery of coarse North Carolina phosphate.
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Reference Manager (RIS)
SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 3
Publication Date:
Jan 1, 1987
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Abstract
Abstract
| A technique was devised by the US Bureau of Mines to recover coarse [+1.2-mm (14- mesh)] North Carolina phosphate now discarded as waste. Concentration utilizes the difference in particle sphericity between the relatively flat calcite and the rounded phosphate pebbles. Sizing, treatment in a continuous hydraulic classification system, and grinding upgraded a 17% P,O5 reject to 4.5% P,05 with a phosphate recovery of 63%. The CaO: P2O5 ratio was reduced from 2.49 to 1.66. |
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