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Oxidizing Method In Froth Flotation Of Minerals

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Oxidizing method in froth flotation of minerals

Oxidizing method in froth flotation of minerals

The flotation plant practice applying the inventors method by serving the oxidizing principle in recovering of metal values, i.e., oxidizing the metal at the mineral surface to a higher valency state by the action of destroying the NH 2 group in respective nitrogen compounds with hypochlorite, and floating the mineral value with olefine alcohol, or olefine glycol the ore is crushed, milled and sized to at least about 80

US Patent for Oxidizing method in froth flotation of

US Patent for Oxidizing method in froth flotation of

Oxidizing method in froth flotation of minerals Apr 30, 1974 An improved method in concentration of oxide ores and minerals by froth flotation process which comprises subjecting a pulp of mineral slurry to the combined action of a organic nitrogen compound with one or more NH.sub.2 group and hypochlorite in a slightly acid pulp of mineral slurry.

US3951786A Oxidizing method in froth flotation of

US3951786A Oxidizing method in froth flotation of

An improved method in concentration of oxide ores and minerals by froth flotation process which comprises subjecting a pulp of mineral slurry to the combined action of a organic nitrogen compound...

Processing Spodumene by Froth Flotation for Lithium Extraction

Processing Spodumene by Froth Flotation for Lithium Extraction

Mar 19, 2017 Reagents for the removal of iron minerals include a combination such as hydrofluoric acid for a pH of 5, sodium resinate and a frother. The conditioned pulp is then diluted to a 20-25 solids for flotation. Complete removal of iron minerals along with some remaining feldspar is accomplished in a froth product which is small and is discarded.

US3371778A Method of treating starches for flotation of

US3371778A Method of treating starches for flotation of

US3371778A US432395A US43239565A US3371778A US 3371778 A US3371778 A US 3371778A US 432395 A US432395 A US 432395A US 43239565 A US43239565 A US 43239565A US 3371778 A US3371778 A US 3371778A Authority US United States Prior art keywords starch flotation percent minutes ore Prior art date 1965-02-12 Legal status The legal status is an assumption and is not a

Evaluating the sulphidisation and flotation of oxidised

Evaluating the sulphidisation and flotation of oxidised

Apr 01, 2021 The recoveries of the chalcopyrite in flotation under various conditions, unoxidised, oxidised and sulphidised, are presented in Fig. 1.The unoxidised chalcopyrite data included for comparison yielded a high final flotation recovery of 89.3, which rapidly dropped to entrainment recovery, 5.95, following chemical oxidation of the chalcopyrite with 40 wt H 2 O 2.

antimony froth flotation in israel

antimony froth flotation in israel

Flotation Method For Antimony Based on different separation process, the antimony separation equipment can be jig machine and flotation machine, Antimony ore can be 3 categories. . Froth flotation is the most widely used method main operating variables of. Get Price

Redox potential control during flotation of a sulphide

Redox potential control during flotation of a sulphide

Aug 15, 2017 In a mixed mineral system, the mineralsolution interface potentials account for the mixed potential which is critical to the process of flotation Chander, 2003, Hu et al., 2009, Woods, 2003. This implies that if it is possible to manipulate the reducing and oxidizing conditions during flotation of ores such as those occurring in the Merensky ...

Froth flotation method for recovering metal values with

Froth flotation method for recovering metal values with

An improved method in concentration of oxide ores by froth flotation process which comprises subjecting a sufficiently fine sized ore of a metal which can change the valency state from lower to higher by the action of inorganic oxidizing compounds in the presence of an effective amount of a polyhydroxy fatty acid collector-frother the indicated compounds provide selectivity andor recovery of ...

Considering the effect of pulp chemistry during flotation

Considering the effect of pulp chemistry during flotation

Jan 15, 2018 Abstract. Within the flotation process the pulp phase chemistry has a strong effect on the froth phase and therefore the manipulation of pulp chemistry factors such as the pulp potential Eh, pH, dissolved oxygen DO and ionic strength IS can improve flotation performance. Stability column and batch flotation tests were performed in the ...

Effect of surface oxidation on the flotation separation of

Effect of surface oxidation on the flotation separation of

The flowsheet of pure mineral floatation is shown in Fig. 2.When flotation was finished, both the froth pro- duct and tailings were collected, filtered and dried.

PDF Effect of oxidation roasting on ilmenite flotation

PDF Effect of oxidation roasting on ilmenite flotation

The single mineral flotation tests show that after surface dissolution the maximum flotation recovery of ilmenite occurring at a pH of 6.3 is improved from 73 to 93.4, while at this condition ...

US5772042A Method of mineral ore flotation by

US5772042A Method of mineral ore flotation by

A method for the flotation processing of mineral ores is disclosed. At least one collector is introduced into the flotation process by atomization. In a preferred aspect of the invention, the collector is provided as a mixture of the thiol and corresponding oxidized thiol e.g., a dithiol.

Froth flotation of fluorite A review ScienceDirect

Froth flotation of fluorite A review ScienceDirect

Apr 01, 2021 The best pH for fluorite flotation in either pure water collectorless flotation or in the presence of surfactants froth flotation ranges from 7 to 11 , , , . It was also shown that pH 9 is usually selected as the most suitable pH regardless of flotation reagents 54 , 55 .

froth flotation process for gold

froth flotation process for gold

The combined process between froth flotation process and other processes can usually achieve impressive results for different types of gold ore. Here are several combined process used for gold extraction according to different ore properties 1.Froth flotation Cyanidation. This method is most commonly used for gold-containing quartz dike.

PDF Effect of different depressants on galena flotation

PDF Effect of different depressants on galena flotation

Selective sulphide concentrates with low arsenic content were tried to be produced by froth flotation. Individual concentrates of Pb, Zn and Cu assayed 67.54 Pb, and 61.49 Zn and 23.31 Cu where ...

US4268380A Froth flotation process Google Patents

US4268380A Froth flotation process Google Patents

An improvement in the froth flotation separation of metallic sulfide mineral ores, particularly those ores bearing copper and molybdenum, in which a mercaptan collector is used in an earlier primary flotation stage, the improvement comprising the addition of activated carbon to achieve deactivation of the mercaptan collector prior to the component mineral separation stage, thereby providing ...

Froth Flotation Method JXSC Machine

Froth Flotation Method JXSC Machine

Gold flotation. The Froth Flotation Method is means separating minerals according to their different physical and chemical properties. According to classification, the flotability of gold and silver minerals is included in the first category of natural and non-ferrous heavy metal sulfides, characterized by low surface wettability and easy flotation, which can be flotation by xanthate collectors.

PDF Sulfide Mineral Flotation Morgan Zhao Academiaedu

PDF Sulfide Mineral Flotation Morgan Zhao Academiaedu

Sulfide Mineral Flotation. Download. Sulfide Mineral Flotation. Morgan Zhao. Sulde Mineral Flotation Maurice C. Fuerstenau, Subhash Chander, and Ronald Woods INTRODUCTION Froth flotation was developed at the Broken Hill mine, Australia, a century ago with the flo- tation of the common sulfide mineral, sphalerite.

The flotation method of separation of multicomponent

The flotation method of separation of multicomponent

The technical result consists in an increased level of end-to-end extraction of non-ferrous and noble metals in a shared concentrate due to an increased efficiency of the floatation activity of sulfide minerals in the process of preparation of the hard-floatable nickel - pyrrhotine materials to a flotation. The method provides for a preliminary ...

Froth Flotation Method JXSC Machine

Froth Flotation Method JXSC Machine

The flotation of gold and silver minerals is mostly carried out in alkaline pulp medium, but for some gold-bearing pyrite and pyrrhotite, it is suitable for flotation in weak acid pulp medium. Oxygen has an effect on the flotation process of gold-silver sulfide ore oxidized to different degrees.

Reverse flotation separation of talc from molybdenite

Reverse flotation separation of talc from molybdenite

Jun 05, 2020 Froth flotation, a physico-chemical ... Based on this principle, molybdenite can be separated from chalcopyrite by utilization of the surface oxidation method. Talc is an oxide mineral, whose surface is bound to be much more stable for oxidation than that of molybdenite . Thus, it would stand a good chance of realizing the separation of ...

US3844412A Depressing reagent for mineral flotation

US3844412A Depressing reagent for mineral flotation

US3844412A US30887472A US3844412A US 3844412 A US3844412 A US 3844412A US 30887472 A US30887472 A US 30887472A US 3844412 A US3844412 A US 3844412A Authority US United States Prior art keywords mineral algae powder flotation minerals alginic acid Prior art date 1969-06-25 Legal status The legal status is an assumption and is not a legal conclusion.

US4174274A Separation of rutile from ilmenite Google

US4174274A Separation of rutile from ilmenite Google

Rutile may be separated from ilmenite or ilmenite ores by agitating a mixture of ilmenite and rutile in particle form in an aqueous solution containing a collection agent to which hydrogen peroxide has been added. The slurry in agitated form is treated with air to produce a froth. The ilmenite particles will attach themselves to the air bubbles in the froth and may be skimmed off the surface ...

Flotation Reagents Mineral Processing amp Metallurgy

Flotation Reagents Mineral Processing amp Metallurgy

The function of frothers in flotation is that of building the froth which serves as the buoyant medium in the separation of the floatable from the non-floatable minerals. Frothers accomplish this by lowering the surface tension of the liquid which in turn permits air rising through the pulp to

Silver Mineral Argentite Flotation Circuit

Silver Mineral Argentite Flotation Circuit

Mar 19, 2017 By the time the flotation pulp reaches the last rougher flotation cell, the majority of the silver and other sulphide minerals will have been recovered in the froth of each flotation cell. The froth from each bank of cells overflows into a common froth launder and flows by gravity to the 2 HP 2 vertical rougher concentrate pump.

Flotation of Gold and GoldBearing Ores ScienceDirect

Flotation of Gold and GoldBearing Ores ScienceDirect

Jan 01, 2016 Flotation Gases and the Impact of Oxidation on Flotation. The presence of oxygen is a prerequisite for the flotation of sulfide minerals with thiol collectors Gardner and Woods, 1974. Electrochemical investigations have shown that the role of oxygen is to provide a cathodic reduction process that allows anodic oxidation processes, involving ...

PDF Optimisation of spodumene flotation

PDF Optimisation of spodumene flotation

Flotation results in a high grade lithium concentrate as compared with other methods such as DMS Amarante et al., 1999 Menendez et al., 2004. It is reported that flotation replaced DMS for ...

Flotation of copper residues with high oxidation and

Flotation of copper residues with high oxidation and

A process and flotation agents are provided for flotation of lead-, uranium-, and rare earth-type minerals and ores in which an aqueous pulp of the mineral or ore is subjected to a froth flotation ...