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Minerals & Metallurgical Processing Journal  


Theoretical background of the Crago phosphate flotation process

Minerals & Metallurgical Processing, 2009, Vol. 26, No. 2, pp. 55-64

Guan, C.

ABSTRACT:

Since it was patented in 1942, the Crago process with fatty acid rougher flotation followed by deoiling and amine cleaner flotation has become the standard for phosphate flotation in Florida and North Carolina. This paper outlines the basic fundamentals involved in this proven technology. Included are the mineralogy of the flotation feed, the solution chemistry and the interfacial phenomena. The process variables affecting the performance of this technology are also discussed.






 
 
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