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USA Flotation of mica Google Patents. A process for beneficiating mica ore wherein the mica content of said ore is a member of the group consisting of predominantly muscovite mica and mixtures of muscovite mica and biotite mica by selective flotation of muscovite mica comprising adding to an aqueous pulp of the ore in a flotation cell (1) a depressant for the gangue materials in ...
FLOTATION Flotation is the most widely used mineral separation method. It is the preferred method of mineral recovery for many of the most important minerals that are recovered and large tonnages of ore are processed by flotation annually. The underlying principles of the flotation process are well established but it has proved to be
Also, if little or no mica is present, the first flotation step may be bypassed. Sometimes the final flotation stage is omitted, leaving a feldsparsilica mixture (often referred to as sandspar), which is usually used in glassmaking. From the completed flotation process, the feldspar float concentrate is dewatered to 5 to 9 percent moisture.
The tailings of mica flotation are used for later spodumene flotation. Fig. 4 (b) is the locked flowsheet of first grinding coarse mica flotation tailings regrinding desliming spodumene floatation. In the flowsheet, the ore is ground to 50% passing 74 μm in the first grinding process, after which coarse mica flotation is performed.
The amount of Al 2 O 3 in the flotation concentrates can also indicate the amount of muscovite reporting to the concentrate. However, only 3%, 6%, and 13% Al 2 O 3 were found in the flotation concentrates when 10%, 20% and 30% muscovite was added. This indicate that muscovite behaves differently from talc in flotation process.
The batch flotation response of mica in dodecylamine solution was related to film experiments where the stability, thickness, and interfacial potentials at the air/dodecylamine solution...
Mica, present as an impurity in kaolin clay, is removed from the clay particles by stagewise froth flotation of the clay in a dispersed alkaline pulp, using as a collector for the clay a complex phosphate ester of a nonionic surfactant of the ethylene oxideadduct type.
IRTERRRIRNRILl00RRRLOf minERAL _ PROIE551nG ELSEVIER Int. J. Miner. Process. 46 (1996) 245262 Dodecylamine collector pH effect on mica flotation and correlation with thin aqueous film and surface force measurements Pugh *, Rutland, E. Manev, Claesson Institute for Surface Chemistry.
Flotation methods can be used to recover minus 201nesh size mica. Mica recovery by flotation methods ranges from 70 percent to 92 percent (5). %Jnderlined numbers in parentheses refer to items in the list of references at the end of this report.
Request PDF on ResearchGate | An investigation into the flotation of muscovite with an amine collector and calcium lignin sulfonate depressant | Muscovite mica is a naturally occurring ...
The slurry is then subjected to a froth flotation process and petalite that is substantially free of feldspar minerals is selectively recovered from the flotation process. ... Download PDF Info ... Table 13 Reagent Additions Reagent Addition grams per tonne Mica Flotation Spodumene FlotationPetalite Flotation l ICI, ...
spodumene and mica). Association data illustrate the potential impurities in a concentrate or product. The liberation and ... the flotation concentrate can then be further processed by hightemperature techniques (pyrometallurgy) ... process involves atmospheric leaching, liquidsolid separation and impurity
Flotation Reagents Collectors. Froth flotation is the most widely used industrial process for the separation of finely liberated minerals. The process involves the aeration of minerals in water in the presence of flotation reagents which facilitate the attachment of air bubbles to .
(TCu) with the goal of optimising the froth flotation process of Chingola Refractory Ores. Cupriferous mica, chalcocite, bornite, chalcopyrite, malachite and pseudomalachite were the significant copper minerals in the ore. The influence of mesh of grind of feed, collector and sulphidiser dosages on the flotation of CRO was investigated.
gravity separation and flotation. Mica is subsequently dried to attain a moisture content below 1%. In hard rocks, the preferred process is crushing, directly after drying, followed by sieving and magnetic separation. According to the final application, mica needs to be milled to the required particle
Jul 27, 2015· Flotation experiments on the mica ore were carried out in a 3 L Denver flotation cell at an air flow rate of L/min using Cp102a as frother. For each test a fresh batch of ore (500 g) was rod milled wet and then transferred directly to the flotation cell where the pulp level was adjusted to a set height by adding tap water.
This process has proven very successful in effecting the desired flotation of mica. However, it does suffer disadvantages and shortcomings and leaves something to be desired, being usually not selective enough, thus producing a micaceous froth product with more grit.
minerals. Several stages of processing are generally involved with rough bulk flotation products being subjected to additional flotation steps to increase product purity. The flotation process in general does not float free gold particles but is particularly effective when gold is .
The similar flotation kinetics of these minerals indicate that a selective separation based on different flotation times would likely be ineffective. Mica Ore Flotation The mass pull results for flotation tests with varying concentrations of Custamine 8113 and NorligH can be seen in Figure 12.
The recovery of mica mineral by flotation presents additional challenges such as the production of slimes during conditioning and flotation. At ArrMaz, we produce flotation process chemicals such as cationic and anionic collectors to optimize the mica flotation process while maximizing mica mineral grade and recovery.
1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air .
The Feldspar Beneficiation Flotation Process Flowsheet. The flowsheet illustrated is typical for the average feldspar ore containing quartz, mica, garnet and other iron bearing silicates normally encountered in pegmatites or large dykes of alaskitegranite.
The reclamation of mica flakes from tailing disposal using gravity separators and flotation . Mohammad Raouf Hosseini. 1* ahrami. 2, and Mostafa Hosseinzadeh. 3,4 . 1. Department of Mining Engineering, Isfahan University of Technology, Isfahan, . 2. Department of Mining Engineering, Engineering Faculty, Urmia University, Urmia ...
A process for beneficiating mica ore wherein the mica content of said ore is a member of the group consisting of predominantly muscovite mica and mixtures of muscovite mica and biotite mica by selective flotation of muscovite mica comprising adding to an aqueous pulp of the ore in a flotation cell (1) a depressant for the gangue materials in ...
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