Pre-separation of Siliceous Gangue in Apatite Flotation

M.C.B. Fortes; Alessandra A. M. Silva; Rogério Contato Guimarães; Carlos Henrique Ataíde; Marcos A.S. Barrozo

doi:10.1021/ie070841f

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Pre-separation of Siliceous Gangue in Apatite Flotation

M.C.B. Fortes Alessandra A. M. Silva Rogério Contato Guimarães Carlos Henrique Ataíde Marcos A.S. Barrozo

Year: 2007 Journal: Industrial & Engineering Chemistry Research Vol: 46 (21)Pages: 7027-7029 Publisher: American Chemical Society

DOI: 10.1021/ie070841f

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Abstract

An alternative process was investigated to separate the siliceous gangue from a Brazilian phosphate ore. Flotation tests were conducted using a benchscale column. The main process variables were studied and optimized through a canonical analysis of the fitted empirical equation. The experimental results indicated that a product was obtained with the necessary concentration for further apatite recovery.

Keywords:

Gangue Apatite Mineralogy Phosphate Separation process Chemistry Chromatography Materials science Metallurgy

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Minerals Flotation and Separation Techniques

Physical Sciences → Environmental Science → Water Science and Technology

Metallurgical Processes and Thermodynamics

Physical Sciences → Engineering → Mechanical Engineering

Mineral Processing and Grinding

Physical Sciences → Engineering → Mechanical Engineering

Pre-separation of Siliceous Gangue in Apatite Flotation

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