Process for treating cassiterite ore

Details Process for treating cassiterite ore Process for treating cassiterite ore

1982-11-09

1984-11-13

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209167, 252 61, B03D 114

Patent

active

044824548

ABSTRACT:
The present invention relates to a process for treating a cassiterite ore, characterized in that, just before the flotation operation, said ore is subjected to a preliminary flotation operation, using an amphoteric collector of formula: ##STR1## in which: R is R.sub.1 or R.sub.1 --O-- or ##STR2## R' is H, CH.sub.3, polyoxyalkyl or R(CH.sub.2).sub.3 or A.sub.q --Z, R" is H or A.sub.q --Z

REFERENCES:
patent: 3822014 (1974-07-01), Vereheyden
patent: 4229287 (1980-10-01), Lepetic
patent: 4358368 (1982-11-01), Hellsten et al.

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