Claims
- 1. A method of beneficiating a phosphate ore comprising apatite and including dolomite impurities, said method consisting essentially of the steps of:
- (a) reagentizing a sample of said ore having a particle size in the range of from about 75 .mu.m to about 420 .mu.m with an aqueous solution having a pH of from about 3.5 to 4.5 and containing from about 0.05% to about 0.2%, by weight, of a fatty acid anionic collector and from about 0.04 to about 0.12%, by weight of sodium chloride,
- (b) subjecting said reagentized ore sample to froth flotation to float away said dolomite impurities, and
- (c) recovering, as the sink fraction, an apatite concentrate.
- 2. The method of claim 1 including the step of washing and sizing said phosphate ore to said particle size prior to said reagentizing step.
- 3. The method of claim 1 including the step of recovering, as the float fraction, said dolomite impurities.
Parent Case Info
This is a continuation of application Ser. No. 833,070 filed Feb. 26, 1986 and now abandoned.
US Referenced Citations (2)
Continuations (1)
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Number |
Date |
Country |
Parent |
833070 |
Feb 1986 |
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