froth flotation quartz removal from feldspar patents

froth flotation quartz removal from feldspar patents

froth flotation quartz removal from feldspar patents

FLOTATION SEPARATION OF FELDSPAR Free Patents Online. 1. A froth flotation process for separating feldspar from quartz-feldspar sands ore consisting essentially of the steps of subdividing said ore to produce at least a fraction having a particle size less than about 1 mm, collecting said fraction and washing the same with water to effect desliming, introducing the washed fraction at a solid

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Separation of feldspar from quartz Google Patents

feldspar acid separation quartz flotation Prior art date 1940-04-05 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 US328083A Inventor O'meara Robert Gibson Original

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US3844939A Flotation separation of feldspar Google Patents

US3844939A US00232280A US23228072A US3844939A US 3844939 A US3844939 A US 3844939A US 00232280 A US00232280 A US 00232280A US 23228072 A US23228072 A US 23228072A US 3844939 A US3844939 A US 3844939A Authority US United States Prior art keywords flotation feldspar carbon atoms sulfonate medium Prior art date 1971-03-10 Legal status (The legal status is an

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FLOTATION SEPARATION OF FELDSPAR KATAYANAGI A,JA

An improved process for separating feldspars from feldspathic ores by means of froth flotation wherein a combination of a higher aliphatic amine salt and a higher aliphatic or aromatic sulfonate is used as a flotation reagent, eliminating the necessity for activation with hydrofluoric acid.

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EP2343131A1 Flotation process for recovering feldspar

EP2343131A1 EP10290006A EP10290006A EP2343131A1 EP 2343131 A1 EP2343131 A1 EP 2343131A1 EP 10290006 A EP10290006 A EP 10290006A EP 10290006 A EP10290006 A EP

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EP2996811A1 Froth flotation separation for quartz

A method of separating heavy mineral particles, such as zircon, monazites, xenotime etc., from a sample of quartz crystal powder, comprises the steps of: a. conditioning the quartz powder suspected of containing heavy mineral particles as an aqueous pulp using a froth-flotation agent; b. subjecting the conditioned pulp to froth flotation to obtain a tailing; c. combining the tailing with an

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WO2011083136A1 Flotation process for recovering feldspar

A flotation process for recovering feldspar from a feldspar containing feed material, comprising the following steps: (1 ) forming an aqueous suspension of a feldspar containing feed material, in the absence of hydrofluoric acid, wherein the suspension comprises from 0.004 to 0.3 %wt. of a flotation reagent comprising: (a) one or more amines, containing at least one aliphatic hydrocarbon chain

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Flotation of quartz from quartz-feldspar mixtures by the

2016-11-1  1. Introduction. Froth flotation is the selected method for the separation of quartz and feldspar. In the conventional process, feldspar is floated from quartz by using hydrofluoric acid (HF) as activator for the feldspar and a cationic collector (amine) at pH 2–3 (O’Meara, 1939).TON (1979) reported that HF creates a large difference in the minerals’ zeta potentials as the zeta

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Feldspar flotation as a quartz-purification method in

2018-1-1  Clifton et al. [ 18] and Gibbon et al. [ 19] introduced froth flotation for mineral separation in CN applications. In contrast to our work (see Section Froth flotation: new cell and operation procedure), they used CO 2 bubbles to separate feldspar from quartz.

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US6098810A Flotation process for separating silica from

A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass. In the process, the feed material is floated in the presence of a depressant to inhibit the flotation of feldspar and thereby form a concentrate

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Flotation of quartz from quartz-feldspar mixtures by the

2016-11-1  1. Introduction. Froth flotation is the selected method for the separation of quartz and feldspar. In the conventional process, feldspar is floated from quartz by using hydrofluoric acid (HF) as activator for the feldspar and a cationic collector (amine) at pH 2–3 (O’Meara, 1939).TON (1979) reported that HF creates a large difference in the minerals’ zeta potentials as the zeta

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Feldspar flotation as a quartz-purification method in

2018-1-1  After the froth flotation, these small amounts of feldspar will be dissolved during further chemical treatment, e.g., the first leaching cycle for the removal of atmospheric 10 Be by concentrated HF. Our cell has been successfully applied to obtain pure quartz and feldspar used in

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Flotation process for separating silica from feldspar to

The flotation froth will become barren with the depletion of collector, indicating the need to add an additional 0.025 lb./ton. Continue stage-adding the collector, modifying the pH as necessary, until the characteristic pink coloration of feldspar dominates the flotation froth. Total flotation time in

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Flotation of quartz from quartz-feldspar mixtures by the

A remarkable separation of the quartz from FQA has been realized in an environmental friendly way. The froth flotation results show that the flotation recovery of quartz is 97.79% and that of FQA

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Recovery of petalite from ores containing feldspar

1999-7-12  d) subjecting said slurry to a froth flotation process; and . e) selectively recovering petalite substantially free of feldspar minerals from said flotation process. 2. The method of claim 1, wherein said mixture is a pegmatite ore. 3. The method of claim 2, further comprising removing mica prior to performing steps (a)-(e). 4.

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Feldspar Beneficiation & Flotation Process

2016-4-14  After removal of impurities the feldspar-quartz fraction discharging as a tailing product from the primary flotation step is deslimed through a Rake Classifier and the sands conditioned at high density to depress the silica. Feldspar is floated in the last flotation

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remove iron from feldspar beneficiary plants

11.27 Feldspar Processing epa.gov. 11.27 Feldspar Processing Petroleum sulfonate (mahogany soap) is used to remove iron-bearing minerals. To finish the flotation process, the discharge from the second flotation step is dewatered again, and a cationic amine is used for collection as the feldspar is floated away from quartz in an environment of hydrofluoric acid (pH of 2.5 to 3.0).

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Separation of feldspar from quartz: Mechanism of mixed

2002-8-1  Using pure albite and quartz minerals, the separation of albite from quartz using mixed cationic/anionic reagent schemes is assessed through Hallimond flotation, zeta potential and diffuse reflectance FTIR studies. The reagent schemes are tested in bench-scale flotation for the separation of albite from Greek Stefania feldspar ore. The single mineral flotation tests showed the feasibility of

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Seperation Of Mica From Feldspar Quartz Mica Ground

Seperation Of Mica From Feldspar Quartz Mica . seperation of mica from feldspar quartz mica ground. Flotation of Feldspar, Spodumene, Quartz and Mica from Pegmatites by-product mica, feldspar and quartz from hard rock pegmatites. 5'6 Kings of a lower grade, dry ground mica of relative coarse size, concentrated as by- mica, removal of undesirable iron-garnet minerals and feldspar-quartz separation

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(PDF) Quartz-feldspar separation for the glass and

Bench-scale flotation experiments using cationic collectors G-TAP and Flotigam V-4343 and using HF and H2SO4 as modifiers were employed to separate feldspar from quartz and to remove part of the

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Flotation process for separating silica from feldspar to

The flotation froth will become barren with the depletion of collector, indicating the need to add an additional 0.025 lb./ton. Continue stage-adding the collector, modifying the pH as necessary, until the characteristic pink coloration of feldspar dominates the flotation froth. Total flotation time in

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An investigation into the flotation of muscovite with an

2015-7-27  Pure mineral flotation experiments were conducted on both muscovite and quartz (the feldspar as provided was too fine for flotation to be effective). All flotation tests were carried out in a 1.5 L Denver flotation cell at an airflow rate of 4.5 L/min with concentrate collected after 30 s, 60 s and 300 s.

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Quartz-feldspar separation for the glass and ceramics

2007-5-1  Large reserves of feldspar ore exist in the Aegean region of Turkey. The main colored impurities in these ores are iron- and titanium-bearing minerals such as anatase, rutile, sphene and ilmenite. In this study, a potassium feldspar ore containing mainly quartz and coloring impurities was subjected to beneficiation tests involving magnetic-separation and flotation, which were applied either

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Towards a new process for the flotation of quartz

2015-11-1  The quartz recovery rate is substantially faster with Brij 58 (see chapter 3.4) compared to Dowfroth 400 and Flotanol C07 as there are not much quartz left in the froth after 1 min of flotation. This might have to do with the higher molecular weight of Brij

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Feldspar Beneficiation & Flotation Process

2016-4-14  After removal of impurities the feldspar-quartz fraction discharging as a tailing product from the primary flotation step is deslimed through a Rake Classifier and the sands conditioned at high density to depress the silica. Feldspar is floated in the last flotation

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

Interestingly, the proportion of hydrophilic quartz minerals ending up in the concentrate is lower for HEDP, with only 1.9% quartz at a recovery of 21.5% compared to the 2.7% of quartz at a

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Removal of titanium impurities from feldspar ores by new

1998-12-1  Flotation was conducted in a self-aerated Denver machine equipped with a 1.5 1 cell, using an automatic froth skimmer which monitored the rate of removal. A sample of about 225 g was mixed with 1400 ml tap water at 1000 rpm impeller speed.

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Hydrochloric acid flotation process for separating

What is claimed is: 1. A hydrochloric acid froth flotation process for separating feldspar from an ore containing feldspar and siliceous sand, which comprises finely dividing said ore into fine particles, suspending said particles in an aqueous solution of hydrochloric acid, adding to said suspension a flotation reagent composed of a petroleum sulfonate and an N-higher alkyl-alkylenediamine

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Separation of feldspar from quartz: Mechanism of mixed

2002-8-1  Using pure albite and quartz minerals, the separation of albite from quartz using mixed cationic/anionic reagent schemes is assessed through Hallimond flotation, zeta potential and diffuse reflectance FTIR studies. The reagent schemes are tested in bench-scale flotation for the separation of albite from Greek Stefania feldspar ore. The single mineral flotation tests showed the feasibility of

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Seperation Of Mica From Feldspar Quartz Mica Ground

Seperation Of Mica From Feldspar Quartz Mica . seperation of mica from feldspar quartz mica ground. Flotation of Feldspar, Spodumene, Quartz and Mica from Pegmatites by-product mica, feldspar and quartz from hard rock pegmatites. 5'6 Kings of a lower grade, dry ground mica of relative coarse size, concentrated as by- mica, removal of undesirable iron-garnet minerals and feldspar-quartz separation

get price