Collecting agents for the selective flotation of lead and zinc o

Details Collecting agents for the selective flotation of lead and zinc o Collecting agents for the selective flotation of lead and zinc o

1987-10-09

1989-07-25

Hollrah, Glennon H.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

209166, 252 61, 558412, 564162, 564440, B03D 114, C22B 100, C07C10322

Patent

active

048510378

ABSTRACT:
Ionic organic collecting agents for the selective flotation of lead and zinc ores, said agents having the following general formula ##STR1## wherein the symbols employed have the meaning given below: R represents H, CH.sub.3, C.sub.2 H.sub.5, or an alkoxyalkyl group,

REFERENCES:
patent: 2034459 (1936-03-01), Cole
patent: 2776749 (1957-01-01), Powell et al.
patent: 3006471 (1961-10-01), Luttinger
patent: 3188322 (1965-06-01), Yale et al.
patent: 3585143 (1971-06-01), Muzycko et al.
patent: 4735711 (1988-04-01), Klimpel et al.

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