Process for recovering pyrochlore mineral containing niobium...

Details Process for recovering pyrochlore mineral containing niobium... Process for recovering pyrochlore mineral containing niobium...

B - Operations, Transporting

03

D

361/11

B03D 1/02 (2006.01) B03B 9/00 (2006.01) B03D 1/001 (2006.01) B03D 1/014 (2006.01)

Patent

CA 1198835

Abstract Niobium and tantalum containing pyrochlore is recovered from high silicate gangue content ore with good selectivity and yield employing collectors of formula Image (1) Image (2) wherein R1, R2 and R3 are independently 8 to 16 carbon straight or branched chain alkyl groups, at pH 1.5 to 6.5.

436680

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