iron oxide slime suppression in phosphate rock flotation

  • 「large output slime flotation machine」

    Iron Oxide Slime Suppression In Phosphate Rock Flotation. Flotation cell is widely used for separating non ferrous metal, black metal, noble metal, non metal mineral, raw body and materials of chemical industry, which are subject to coarse separation, swept separation, fine separation and flotation, so the useful ore are reclaimed.It is a highThe Characteristics of Iron Ore Slimes and Their Influence,10, both iron oxide and galena/quartz particles become negatively charged; however, there is still an energy barrier to overcome for slime detachment. Combining pH control with high shear mixing or sonication removed rapid and completely the iron ore slime coatings. Rulyov and coworkers evaluated the microfotation of particles below 1 m.

  • (PDF) Reagents used in the flotation of phosphate ores: A

    Phosphate rock needs processing to reduce the content of gangue minerals such as silicates, carbonates, and clays to meet the requirements of the phosphate industry. Froth flotation method hasReagents used in the flotation of phosphate ores: a,Jul 01, 2003· The dominant flotation process currently used for processing of siliceous phosphates in Central Florida is the Crago “Double Float” process (Giesekke, 1985; Zhang et al., 1997).The simplified flotation flowsheet is given in Fig. 1.In this process, after desliming and sizing, the ore is conditioned with fatty acids and fuel oil at a pH of 9.0–9.5.

  • Investigation of the effect of phosphate on iron(ii

    INVESTIGATION OF THE EFFECT OF PHOSPHATE ON IRON(II) SORPTION TO IRON OXIDES by Cristina Paola Fernández-Baca A thesis submitted in partial fulfillment of the requirements for the Master of Science degree in Civil and Environmental Engineering in Reagents used in the flotation of phosphate ores: a,Jul 01, 2003· The dominant flotation process currently used for processing of siliceous phosphates in Central Florida is the Crago “Double Float” process (Giesekke, 1985; Zhang et al., 1997).The simplified flotation flowsheet is given in Fig. 1.In this process, after desliming and sizing, the ore is conditioned with fatty acids and fuel oil at a pH of 9.0–9.5.

  • Anionic flotation of high-iron phosphate ores—Control of

    Jul 01, 2009· The fatty acid flotation of a difficult-to-float igneous phosphate ore (26.2% P 2 O 5, 15.4% Fe 2 O 3) was investigated through batch flotation tests in the presence of soda ash.The poor flotation of this otherwise high quality ore was attributed to very high concentrations of calcium and sulfate ions (about 1000 and 2000 mg/L, respectively) found in process water, which indicated that theUtilization of Phosphate Slimes EPA,Thermogram of Typical Phosphate Slime 12 3. Consolidation Rate of Typical Phosphate Slime 17 4. ----- TABLES No. Page I. Phosphate Rock Production, 1950-1968 7 II. Approximate Mineralogical Composition of Phosphate Slimes 9 III. The steam test for iron oxide revealed little staining, indicating the material is satisfactory for use in

  • (PDF) Slime coatings in froth flotation: A review

    Slime coating is a significant phenomenon in froth flotation. The adverse effects of slime coating, by which a value mineral is covered by slimes and prevented from direct contact with collectorsUS4690752A Selective flocculation process for the,A process for separating and recovering non-metallic minerals, particularly phosphate, from an ore containing non-uniform sized particles, including colloidal particles. The ore is slurried in an alkaline, aqueous solution with a dispersing agent. A flotation collector is added, and the mixture is contacted with a hydrophobic, high molecular weight, nonionic polymer to flocculate the fine

  • US5435893A Process for the dewatering of phosphate

    US5435893A US08/161,933 US16193393A US5435893A US 5435893 A US5435893 A US 5435893A US 16193393 A US16193393 A US 16193393A US 5435893 A US5435893 A US 5435893A Authority US United States Prior art keywords phosphate slime cathode clays phosphate slime Prior art date 1993-12-03 Legal status (The legal status is an assumption and is not a legal conclusion.Minerals Free Full-Text Collecting Agent–Mineral,Froth flotation has been widely used in upgrading iron ores. Iron ore flotation can be performed in two technical routes: direct flotation of iron oxides and reverse flotation of gangue minerals with depression of iron oxides. Nowadays, reverse flotation is the most commonly used route in iron ore flotation. This review is focused on the reverse flotation of iron ores, consisting of reverse

  • Process for the treatment of clay slimes Monier

    The phosphate rock mining industry, the primary source of phosphorous containing fertilizers essential to modern methods of agriculture, is no exception. For every ton of phosphate rock produced, a ton of slime is created. The slimes are channeled to ponds where they slowly settle to the bottom. Iron Oxide (Fe 2 O 3) 10.5 Calcium Oxide (CaOAqueous Geochemical and Surface Science Investigation of,Apr 27, 2001· Aqueous geochemical and surface science techniques were used to investigate the effect of phosphate on the oxidation of crushed and {100} pyrite. Studies showed that the presence of phosphate in solution significantly impeded the oxidation rate of crushed pyrite at pH values equal to or greater than 4. At pH 3, the presence of phosphate had almost no experimentally discernible effect

  • Final Summary Report of Mineral Industry Processing Wastes

    Magnetic Tailings (Iron Oxides) N N N N * RCRA characteristics are Reactivity, Corrosivity, Ignitability and EP.Toxicity as defined in 40CFR 261 Subpart C. N Vaste not expected to exhibit this characteristic. Clay Quartz Very fine Phosphate Rock (2) Flotation Tailing Quartz Slimes Ponds 2- 121 ----- Table 2-20 PHOSPHATE PROCESSING WASTESClay Minerals in Flotation and Comminution Operations,Decoupling rheology and slime coatings effect on the natural flotability of chalcopyrite in a clay-rich flotation pulp. Minerals Engineering,56,136 144 . Fornasiero,D. & Ralston,J. 2006 .

  • Method and apparatus for beneficiating phosphate ores

    Method and apparatus for producing high grade phosphate rock from low grades, slime or tailings by subjecting the low grade rock, slime or tailings to a calcination treatment at a temperature within the range from 1000° F. to 1600° F., and preferably from 1400° F. to 1600° F., until a fraction of said rock, slime or tailings becomes magnetically attractable, and subjecting the treatedSolutions for mines Problems,Flotation is widely used in gold processing. In China, 80% rock gold is processed by flotation. Flotation process maximizes the enrichment of gold into sulfide minerals. The tailings can be directly discharged. Flotation in gold mine has low beneficiation cost. Gold Cyanidation Leaching Process

  • Some observations on the beneficiation of lean phosphate

    ted with hydrated iron oxide minerals. Besides this, the ore contains hematite, chert and quartz. Study on various sieve fractions of -10 mesh representative sample showed a grind below 65 mesh which would be required for the liberation of apatite from associated gangue minerals. Experimental methods Although flotation of apatite from sili-Process for the treatment of clay slimes Monier,The phosphate rock mining industry, the primary source of phosphorous containing fertilizers essential to modern methods of agriculture, is no exception. For every ton of phosphate rock produced, a ton of slime is created. The slimes are channeled to ponds where they slowly settle to the bottom. Iron Oxide (Fe 2 O 3) 10.5 Calcium Oxide (CaO

  • US5435893A Process for the dewatering of phosphate

    US5435893A US08/161,933 US16193393A US5435893A US 5435893 A US5435893 A US 5435893A US 16193393 A US16193393 A US 16193393A US 5435893 A US5435893 A US 5435893A Authority US United States Prior art keywords phosphate slime cathode clays phosphate slime Prior art date 1993-12-03 Legal status (The legal status is an assumption and is not a legal conclusion.Some observations on the beneficiation of lean phosphate,ted with hydrated iron oxide minerals. Besides this, the ore contains hematite, chert and quartz. Study on various sieve fractions of -10 mesh representative sample showed a grind below 65 mesh which would be required for the liberation of apatite from associated gangue minerals. Experimental methods Although flotation of apatite from sili-

  • US4690752A Selective flocculation process for the

    A process for separating and recovering non-metallic minerals, particularly phosphate, from an ore containing non-uniform sized particles, including colloidal particles. The ore is slurried in an alkaline, aqueous solution with a dispersing agent. A flotation collector is added, and the mixture is contacted with a hydrophobic, high molecular weight, nonionic polymer to flocculate the fineFinal Summary Report of Mineral Industry Processing Wastes,Magnetic Tailings (Iron Oxides) N N N N * RCRA characteristics are Reactivity, Corrosivity, Ignitability and EP.Toxicity as defined in 40CFR 261 Subpart C. N Vaste not expected to exhibit this characteristic. Clay Quartz Very fine Phosphate Rock (2) Flotation Tailing Quartz Slimes Ponds 2- 121 ----- Table 2-20 PHOSPHATE PROCESSING WASTES

  • Minerals Free Full-Text Collecting Agent–Mineral

    Froth flotation has been widely used in upgrading iron ores. Iron ore flotation can be performed in two technical routes: direct flotation of iron oxides and reverse flotation of gangue minerals with depression of iron oxides. Nowadays, reverse flotation is the most commonly used route in iron ore flotation. This review is focused on the reverse flotation of iron ores, consisting of reverseInteractive effect of minerals on complex ore flotation: A,Oct 13, 2019· Step-flotation [57 58] and dispersion flotation technologies have been proposed to reduce the influence of carbonate minerals on iron ore flotation. These technologies help eliminate the typical interactive effect among minerals in carbonate-bearing iron ores.

  • Aqueous Geochemical and Surface Science Investigation of

    Apr 27, 2001· Aqueous geochemical and surface science techniques were used to investigate the effect of phosphate on the oxidation of crushed and {100} pyrite. Studies showed that the presence of phosphate in solution significantly impeded the oxidation rate of crushed pyrite at pH values equal to or greater than 4. At pH 3, the presence of phosphate had almost no experimentally discernible effect Surface-chemical interactions between apatite and hematite,In relation to separation between apatite and hematite by froth flotation, surface-chemical interactions between apatite and hematite were studied as a function of pH and constituent ion concentrations. The surface charge characteristics of the minerals and their mixtures were determined using zeta potential measurements. Aggregation and dispersion phenomena were followed using laser light

  • Solutions for mines Problems

    Flotation is widely used in gold processing. In China, 80% rock gold is processed by flotation. Flotation process maximizes the enrichment of gold into sulfide minerals. The tailings can be directly discharged. Flotation in gold mine has low beneficiation cost. Gold Cyanidation Leaching ProcessKGS--Bull. 187, part 4--Recovery of Phosphate from the,Generally, phosphate rock is moved from mining areas to market areas and then processed. Prices. Prices for phosphate rock are based upon the percentage of tricalcium phosphate (B.P.L.) present. Maximum limits of allowable iron and aluminium oxide are specified. Bonuses are paid and penalties assessed for variations above and below the base grade.

  • Gold Tailings Reprocessing Technology Xinhai

    Among them, the garnet is mainly iron aluminum garnet. 2. Gold and silver recovery from gold tailings by CIP. All-slime cyanidation carbon pulp gold extraction technology can recover the gold and silver from the old gold tailings. Xinhai usually adopts the all-slime (PDF) Handbook of Flotation Reagents Chemistry, Theory and,Handbook of Flotation Reagents Chemistry, Theory and Practice: Flotation of Sulfide Ores. Serkan Gökçen. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 36 Full PDFs related to this paper. READ PAPER.

  • Mars Mineral Agitation Agglomeration Equipment

    The leader in agitation agglomeration — the conversion of fine powders and dusts into spherical pellets.,