Process for selective flotation of phosphorus minerals

Details Process for selective flotation of phosphorus minerals Process for selective flotation of phosphorus minerals

1992-08-13

1994-03-22

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, 209167, B03D 101, B03D 102

Patent

active

052955842

ABSTRACT:
The invention relates to a process for the selective flotation of phosphorus minerals, in which process the flotation collectors used are one or more compounds of the formula 1a and/or 1b ##STR1## wherein R.sup.1 is a branched or straight-chain C.sub.8 -C.sub.24 -, in particular C.sub.8 -C.sub.18 -alkenyl,

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Winnacker and Kuchler, Chemische Technologie, 4th Ed., vol. 4 (Metals), 1986, pp. 66-74.
Ivanova, V. A., et al, Chem. Abs. 106:104652n (1987).

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