Hydrochloric acid flotation process for separating feldspar from

Details Hydrochloric acid flotation process for separating feldspar from Hydrochloric acid flotation process for separating feldspar from

1975-06-02

1977-07-26

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

040381790

ABSTRACT:
An improved process for the separation of feldspar from an ore containing feldspar and siliceous sand by means of froth flotation wherein a mixture of a petroleum sulfonate and an N-higher alkyl-alkylenediamine salt which may contain a higher alkylamine is used as a flotation reagent in the presence of hydrochloric acid. According to this improved process, feldspar with good quality can be separated by only one froth flotation treatment without the necessity of repeated treatments and troublesome adjustment to the conditions.

REFERENCES:
patent: 2483192 (1949-09-01), Gieseke
patent: 2578790 (1951-12-01), Duke
patent: 2633241 (1953-03-01), Banks
patent: 3297759 (1967-01-01), Curtiss
patent: 3844939 (1974-10-01), Katayanagi
Chem. Abst. 69, 1968, 28956g.

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