US3265211A

US3265211A US288876A US28887663A US3265211A US 3265211 A US3265211 A US 3265211A US 288876 A US288876 A US 288876A US 28887663 A US28887663 A US 28887663A US 3265211 A US3265211 A US 3265211A Authority US United States Prior art keywords flotation amine gilsonite froth ore Prior art date 19 Legal status The legal status is an assumption and is not a legal

Flotation of zinc silicate ore A focus on effective

22 ensp 0183 ensp such as smithsonite hemimorphite and calamine via froth flotation method 10 The most common flotation technique used commercially for the treatment of zinc oxide minerals is sulphidization with Na 2 S followed by treatment with conventional cationic collectors namely amine 3 9 11 and 12 Sulphidization followed by flotation

Smithsonite Flotation from Zinc Oxide Ore using Alkyl

12 ensp 0183 ensp 2014 Smithsonite Flotation from Zinc Oxide Ore using Alkyl Amine Acetate Collectors Separation Science and Technology Vol 49 No 3 pp 457

PDF Effect of flotation reagents in zinc recovery from

A sulfidization flotation method has been used on a laboratory scale to investigate the effect of various reagents such as sodium sulfide as sulfidizing agent primary amine as collector

Flotation of zinc oxide ores by cationic and mixed

The flotation of smithsonite from tailing which comes from the cerussite flotation circuit was investigated using Armac C and Armac T as amine collectors The results indicated that the dosage of sodium sulfide collector type and desliming are the main affecting factors on the Zn grade and recovery of smithsonite flotation concentrate

Recovery Of Zinc Oxide Flotation

amine flotation zinc oxide rjps Investigation of Zinc Oxide Recovery by Column Flotation eprints Development of a viable process for the recovery of zinc from oxide amine on the surface of amine flotation zinc oxide anrexim amine flotation zinc oxide Grinding Mill China With the development of mining industry investors present various

Physicochemical studies of oxide zinc mineral flotation

29 ensp 0183 ensp The studies on oxide zinc ore indicate a maximum bench scale flotation recovery of 84 5 with zinc grade 24 5 in the presence of dodecylamine at pH 11 5 There are no significant variations in recovery of cationic and anionic and mixed collectors however amine and mixed collector flotation show to be more selective than anionic collectors

Study on the pre treatment of oxidized zinc ore prior

The pre treatment of zinc oxide bearing ores with high slime content is important to ensure that resources are utilized optimally This paper reports an improved process using hydrocyclone de sliming dispersion reagents and magnetic removal of iron minerals for the pre treatment of zinc oxide ore with a high slime and iron content and the benefits compared to traditional technologies are shown

FLOTATION OF ZINC OXIDE ORE USING CATIONIC AND

4 ensp 0183 ensp Flotation of zinc oxide ore using cationic and cationic anionic mixed collectors 151 Armac C The increase of both collectors dosage increases Zn recovery and decreases Zn grade in the smithsonite flotation concentrate The reduction of Zn grade is at tributed to the flotation of more gangue minerals due to high collector concentration Fig 6

Flotation Conditioners of Oxidized Zinc and Lead Ore

When the oxidized zinc ore is floated with an amine collector it is difficult to separate the gangue minerals mainly composed of zinc oxide and calcium magnesium carbonate At the same time the presence of ore slime also affects the flotation using amine collectors

PDF The role sodium sulphide in amine flotation of

The role of sodium sulphide in amine flotation of the silicate zinc minerals willemite and hemimorphite is discussed Data from the literature are compared with experimental results obtained by

The role of sodium sulphide in amine flotation of

The role of sodium sulphide in amine flotation of the silicate zinc minerals willemite and hemimorphite is discussed Data from the literature are compared with experimental results obtained by the authors in Hallimond tube floatability tests

Froth flotation of oxidized zinc ores

We have found that oxidized zinc ores in general and the oxidized zinc bearing tailing resulting from flotation concentration of the lead present in mixed lead zinc oxidized ores in particular may be concentrated by flotation in the presence of a soluble sulphide and a soluble compound of an aliphatic amine containing from 8 to 18 carbon atoms

Effect of Ethylenediamine on Smithsonite Flotation

Abstract Smithsonite a typical zinc oxide mineral has been developed for many years as an alternative source However restricted to inferior ability of floating zinc oxide is one well known refractory mineral with poor selectivity and high regent consumption

PDF Smithsonite Flotation from Zinc Oxide Ore using

Smithsonite Flotation from Zinc Oxide Ore using Alkyl Amine Acetate Collectors

Flotation Behavior of Iranian Oxidized Zinc Ore Using

1 ensp 0183 ensp The various amounts of reagents used in the oxidized zinc flotation were added at different rates of concentrations The conditioning time of collectors was 5 minutes In amine flotation the Na 2 S was added with a conditioning time of 3 minutes at different concentrations In KAX flotation the copper sulphate 1500 g t was added with a 3

Flotation Collectors

2 ensp 0183 ensp Simply said a Flotation Collectors is a chemical used to make the surface of minerals which is metallic hydrophobic or in layman s term afraid of water or water hating as others like to say This chemical used will behaved in a way as a wax would when you applied it to your car After wax or hydrophobic agent is adhered to the surface that surface with see water pearl

Zinc Sulfide Ore Flotation

Flotation experiment research on a polymetallic sulfide ore of 04 The polymetallic sulfide ore of copper lead and zinc is widely found all over the world and is

Experimental tertiary amine flotation of zinc silicate

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flotation effects cnki

flotation effects ,,

21 ensp 0183 ensp Abstract The flotation of a zinc oxide ore in Tibet was studied with sulfidization amine method The influence of grinding fineness dosage of dispersant dosage of Na2S and the length of carbon chain of amine collectors on the flotation index of zinc oxide ore

The role of sodium sulphide in amine flotation of

THE ROLE OF SODIUM SULPHIDE IN AMINE FLOTATION OF SILICATE ZINC MINERALS M J G SALUM A C de ARAUJO and A E C PERES Dept of Mining Engng Universidade Federal de Minas Gerais R Espirito Santo 702 30160 Belo Horizonte MG Brazil

A review of zinc oxide mineral beneficiation using flotation

14 ensp 0183 ensp has been reported that the percentage of zinc recovery by stearyl amine as a collector was maximized at pH 10 Gharabaghi M Flotation of zinc oxide mineral from Angooran mining tailing using cationic anionic and mixed cationic anionic collectors

Determination of maximum zinc recovery of Vazante

The results showed that zinc recovery increased very fast in the first three minutes of the flotation tests and kept increasing at a low rate until it reached its final value after eleven minutes of flotation The highest zinc recovery was 91 91 represented by the test executed in the sample 4203 and the lowest recovery was 89 37

Effects of Additives in Froth Flotation of Silicate Zinc

2 ensp 0183 ensp in flotation of silicate zinc ores hemimorphite and willemite and reported that the percentage of zinc recovery were increased by sodium sulphide addition Stearyl amine CH 3 CH 2 17 NH 2 Figure 1 b was used as a cationic collector in zinc ore flotation e g 4

SOLUTION CHEMISTRY STUDIES ON DODECYL AMINE

The surface conversion or competive action due to the interactions between the dis solved mineral species with other mineral surface results in the fact that the electrokinetic be havior of calcite in smithsonite supernatant is similar to that of smithsonite in water

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