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apatite flotation calcite

Calcite-Apatite Flotation Columbia University

The effect of apatite supernatant on oleate flotation of calcite at both levels of KNO3 is to depress the flotation marked- ly in the pH region of 6 to 12.5 (see Figure 2).

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US3534854A Beneficiation of calcite-apatite-quartz ores

apatite flotation calcite anionic quartz Prior art date 1967-11-20 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Lifetime Application number US684548A Inventor Glen K Korpi Craig S Wiedemann Current Assignee (The listed assignees may be

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US3259242A Beneficiation of apatite-calcite ores

flotation apatite calcite macrocrystalline acid Prior art date 1962-11-29 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Lifetime Application number US241057A Inventor Robert E Snow Current Assignee (The listed assignees may be inaccurate

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Apatite flotation using pataua palm tree oil as collector

01/09/2019· Effects of POC concentration at pH 10 (A) and pH (B) on apatite, calcite and quartz floatability. The present investigation demanded lower POC concentrations for maximum floatability of apatite than those required with pure sodium oleate from a previous study.

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Selective adsorption of sodium polyacrylate on calcite

15/06/2020· Froth flotation is a typical method for separating phosphate minerals from other minerals (calcite, dolomite, quartz and rutile, etc.),,,. Flotation is a physico-chemical separation process that utilizes the difference in surface properties of the valuable minerals and the unwanted gangue minerals,,.

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An Alternative Flotation Process for Apatite Concentration

Calcite and Apatite Flotation Flowsheet Discharge Coarse Fraction Calcite and Apatite Flotation. 60 70 80 90 100 Passing (%) D50 = 5µm D50 = 28µm D50 = 100µm D96 = 150µm Particle sizedistribution 0 10 20 30 40 50 1 10 100 1000 Particle size (µm) Slimes Fines Milling Product Coarse. Mass Balance Preparation Flux Recovery(%) Grade (%) Mass P2O5 P2O5 CaO Fe 2O3 SiO 2 Al2O3 Slimes 18,2

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US3534854A Beneficiation of calcite-apatite-quartz ores

apatite flotation calcite anionic quartz Prior art date 1967-11-20 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Lifetime Application number US684548A Inventor Glen K Korpi Craig S Wiedemann Current Assignee (The listed assignees may be

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Improved Flotation Separation of Apatite from Calcite

Apatite (Ca10 (PO4)6F2) is the most important phosphate mineral, and flotation is the main beneficiation method to separate apatite from its major gangue mineral calcite (CaCO3).

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Role of Dissolved Mineral Species in Calcite-Apatite

Apatite flotation was also affected by the mineral supernatants and by carbonate and phosphate solutions. The results are analyzed in terms of the surfactant’s solubility properties and the mineral’s electrochemical and dissolution properties. While depression of calcite flotation by the dissolved species is found to be governed by depletion of oleate by bulk precipitation, the depression

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(PDF) Effect of calcium concentration on calcite flotation

PDF The flotation process currently considered for apatite concentration from the Santa Quitéria phosphate deposit (Brazil), involves bulk flotation Find, read and cite all the research

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US3259242A Beneficiation of apatite-calcite ores

flotation apatite calcite macrocrystalline acid Prior art date 1962-11-29 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Lifetime Application number US241057A Inventor Robert E Snow Current Assignee (The listed assignees may be inaccurate

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(PDF) Effect of calcium minerals reactivity on fatty acids

On the other hand, apatite and its associated gangue minerals, such as dolomite and calcite, are usually separated by flotation. The traditional collector for apatite flotation is fatty acids (such...

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An Alternative Flotation Process for Apatite Concentration

Calcite and Apatite Flotation Flowsheet Discharge Coarse Fraction Calcite and Apatite Flotation. 60 70 80 90 100 Passing (%) D50 = 5µm D50 = 28µm D50 = 100µm D96 = 150µm Particle sizedistribution 0 10 20 30 40 50 1 10 100 1000 Particle size (µm) Slimes Fines Milling Product Coarse. Mass Balance Preparation Flux Recovery(%) Grade (%) Mass P2O5 P2O5 CaO Fe 2O3 SiO 2 Al2O3 Slimes 18,2

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An Overview of Calcite Recovery by Flotation

Calcite ores typically contain metal sulphide, silicate, or other calcium-containing impurity minerals, which can be removed by flotation. A tremendous amount of research has been performed on refining the flotation process for calcite ores and designing the reagents (specifically, collectors) to increase the efficiency of the process. Metal sulphide/silicate impurity minerals can be removed

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(PDF) Investigation of the Mechanism of

The acidic flotation process of carbonates at pH 4.5-5.0 followed by a direct phosphate flotation uses phosphoric acid as depressor of apatite during carbonate flotation. The mechanism of apatite...

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Bioflotation of apatite and quartz: Particle size effect

The maximum flotability of both minerals was presented at a pH value of 5, achieving values of 90% and 14% for apatite and quartz, respectively, after seven minutes of flotation. The kinetics analysis showed that the smaller the apatite particle size, the lower its bioflotation rate value.

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