Novel technique for the recovery of coarse North Carolina phosphate

Society for Mining, Metallurgy & Exploration

B. E. Davis T. O. Liewellyn G. V. Sullivan

Organization:: Society for Mining, Metallurgy & Exploration
Pages:: 3
File Size:: 205 KB
Publication Date:: Jan 1, 1987

Abstract

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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.

Citation

APA: B. E. Davis T. O. Liewellyn G. V. Sullivan (1987) Novel technique for the recovery of coarse North Carolina phosphate

MLA: B. E. Davis T. O. Liewellyn G. V. Sullivan Novel technique for the recovery of coarse North Carolina phosphate. Society for Mining, Metallurgy & Exploration, 1987.

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