sulfides froth flotation reagents

sulfides froth flotation reagents

Flotation Reagent - an overview ScienceDirect Topics

2.6.1 Introduction. Sulfide ore flotation is a complex electrochemical system. Electron transfer not only occurs between the sulfide minerals and flotation reagent molecules, but it also happens among different sulfide minerals. Many sulfide minerals are narrow band gap semiconductors.

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Copper Sulfide Flotation - Mineral Processing Metallurgy

Apr 13, 2016  Copper Sulfide Flotation Reagents. Lime is added to the Ball Mill by a Cone Type Dry Reagent Feeder. Other reagents, such as cyanide, xanthate, and a frother are fed and controlled by No. 12A Wet Reagent Feeders to the classifier and to the conditioner ahead of flotation. Sampling. Automatic Samplers are provided for the sampling requirements.

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US2501269A - Froth flotation of sulfide ores - Google Patents

US2501269A US679565A US67956546A US2501269A US 2501269 A US2501269 A US 2501269A US 679565 A US679565 A US 679565A US 67956546 A US67956546 A US 67956546A US 2501269 A US2501269 A US 2501269A Authority US United States Prior art keywords radicals reagents organic froth flotation compound Prior art date 1946-06-26 Legal status (The legal status is an assumption

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(PDF) Sulfide Mineral Flotation Morgan Zhao - Academia

Sulfide 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. With this development, billions of tons of worthless rock containing a variety of valuable metals became ore.

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Handbook of Flotation Reagents Chemistry, Theory and ...

Handbook of Flotation Reagents Chemistry, Theory and Practice: Flotation of Sulfide Ores. Serkan Gökçen. luis araya. Serkan Gökçen. luis araya. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.

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Flotation Reagent - an overview ScienceDirect Topics

Srdjan M. Bulatovic, in Handbook of Flotation Reagents, 2007 Processing characteristics of a massive sulfide ore. When using a conventional flotation reagent scheme and flowsheet, only a few of these ores respond (i.e. lime + NaCN + collector), giving extremely poor metallurgical results. The majority of these ores require a specific treatment process to achieve satisfactory metallurgical results.

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Flotation Behavior of Complex Sulfide Ores in the Presence ...

Jun 12, 2017  In this study, chitosan polymer was tested as a potential selective green depressant of pyrite in the bulk flotation of galena (PbS) and chalcopyrite (CuFeS 2 ) from sphalerite (ZnS) and pyrite (FeS 2 ) using sodium isopropyl xanthate as a collector and 4-methyl-2-pentanol (MIBC) as a frother. Flotation tests were carried out in a D12-Denver flotation laboratory cell in the presence and ...

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Sulfide Ores - clariant

HOSTAFLOT® collectors are formulated to achieve the best possible recovery and selectivity when needed. Our solutions encompass the flotation of ores containing lead, zinc, copper, nickel, cobalt. Our FLOTANOL® frothers are customized to help you achieve the right froth to maximize the recovery of coarse or fine materials. Gold and Silver.

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Fine Grain Lead Zinc Sulfides Flotation

Apr 12, 2021  Fine Grain Lead Zinc Sulfides Flotation. This investigation has shown that lead and zinc sulfide minerals, in pulps containing particles all less than 9 microns in size, may be selectively recovered by froth flotation. All but one of the samples yielded lead concentrates-containing at least 57 percent Pb. Selective recovery of lead in the lead ...

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Mineral Processing - Neo Solutions, Inc

Proper combination of Neo-Solutions’ mineral specific sulfide flotation reagents including frothers and collectors can improve froth flotation, leading to increased grade quality and/or recovery rates. Most the secondary copper sulfide minerals, such as chalcocite, covellite, and digenite are typically associated with problematic gangue minerals.

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Professional flotation reagent chemicals manufacturer ...

YX as a xanthate flotation chemical reagents manufacturer, supplier, has created a number of successful series, and reagent chemical is one of them.reagent chemical has the following advantages: well-chosen materials, reasonable design, stable performance, excellent quality, and affordable price.Such a product is up to the market demand.

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Statistical investigation of flotation parameters for ...

Mar 01, 2021  1. Introduction. In recent years, the processing of mining residues and more importantly flotation tailings have been an alternative way to secure sustainable development and metal supply [, , ].Recycling of mining wastes results in multiple advantages including value metals recovered and environmental remediation [].Froth flotation is a commonly used technique to concentrate minerals

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Froth flotation - Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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Froth flotation of oil-bearing metal sulfide wastes ...

Jan 01, 1991  An industrial wastewater, including plating wastes, is treated with sodium sulfide and ferrous sulfate to form a sulfide-oxide precipitate containing chromium and other toxic metals. Hydrocarbons, in the water, coat the sulfide-oxide particles, impeding metal recovery. Froth flotation

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Handbook of Flotation Reagents - MESA

Handbook of Flotation Reagents Chemistry, Theory and Practice: Flotation of Sulfide Ores by Srdjan M. Bulatovic • ISBN: 0444530290 • Publisher: Elsevier

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Sulfide Ores - clariant

HOSTAFLOT® collectors are formulated to achieve the best possible recovery and selectivity when needed. Our solutions encompass the flotation of ores containing lead, zinc, copper, nickel, cobalt. Our FLOTANOL® frothers are customized to help you achieve the right froth to maximize the recovery of coarse or fine materials. Gold and Silver.

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Flotation Solutions - Maximizing Mineral Recovery Nalco ...

Download the following brochure on sulfide flotation programs to learn more. ... With the proper froth flotation reagent program, our customers can improve bottom-line profitability through froth flotation improvements, such as increased tonnage, recovery, and grade in the phosphate beneficiation process. With a broad range of froth flotation ...

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Process of froth flotation using a methylene bisxanthate ...

A process for froth flotation for the recovery of sulfide minerals, or sulfidized oxide minerals, from their ores utilizing a methylene bisxanthate as a collector reagent, either alone or in combination with other known collector reagents in the froth flotation of an aqueous pulp of such ores.

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Flotation of an Oxidized Copper Sulfide Ore

The sulfide minerals of such ores are readily concentrated by froth flotation, but the ... the sulfidizing reagent, flotation pH, and amount of solids in the flotation pulp. ... sodium sulfide ...

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Method of flotation of sulfide copper-zinc ores

Closest to the present invention is a method of flotation of sulfide copper-zinc ores, including the conditioning of the pulp in a calcareous environment with reagents-regulators sulfur, sodium, and zinc sulfate, the introduction of collector and Frother and subsequent separation with separation of copper minerals in the froth product [2]

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(PDF) Flotation of an Oxidized Copper Sulfide Ore

Dec 30, 2017  surface using sod ium sulfide reagent may improve the flotation behavior o f this oxidi zed ore (Babal et al., 2012; Drzymala, 2007; Elgillani, 2008). The results in Table 2 also show that the ...

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Minerals Special Issue : Flotation Reagents

Dec 01, 2019  Handbook of Flotation Reagents by Srdjan M. Bulatovic. Dear Colleagues, Separation by froth flotation involves many types of reagents. Reagents are mainly used for treating the surface of ores and/or for improving conditions of operations for increasing flotation separation efficiency.

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Flotation Reagents - BASF

Flotation Reagents. BASF is committed to providing sustainable solutions to the mining industry. Our technology and diverse range of chemistries supports creative and innovative applications for flotation, whilst delivering optimum performance for phosphates, precious and base metals, iron ores, and various industrial minerals. Our flotation ...

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US2485083A - Froth flotation of copper sulfide ores with ...

US2485083A US639164A US63916446A US2485083A US 2485083 A US2485083 A US 2485083A US 639164 A US639164 A US 639164A US 63916446 A US63916446 A US 63916446A US 2485083 A US2485083 A US 2485083A Authority US United States Prior art keywords copper ton flotation lignin copper sulfide Prior art date 1946-01-04 Legal status (The legal status is an assumption and is not a

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US1952907A - Method of flotation of oxidized ores - Google ...

flotation reagents sulfide ore ores Prior art date 1928-11-01 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 US316632A Inventor Ludwig J Christmann

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The Application of Xanthate in Froth Flotation Process

Xanthate, as the flotation collector with strong collection effect, is mainly used to enhance the hydrophobicity of the mineral surface to meet the requirements of flotation.Xanthate is commonly used in the flotation process of sulfide minerals. Xanthate is a combination of alcohol, sodium hydroxide and carbon dioxide, which is an anionic collector. . It is light yellow, soluble in water and ...

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Froth flotation of oil-bearing metal sulfide wastes ...

Jan 01, 1991  The U.S. Department of Energy's Office of Scientific and Technical Information

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THE INVESTIGATION OF SULFIDE MINERAL FLOTATION REAGENT ...

The predominant collectors used in the froth flotation proc-ess for sulfide minerals are alkyl dithiocarbonates (xanthates ROCS2) and similar thio compounds. The reagents adsorb onto mineral surfaces at sub-monolayer levels and can be “tailored ” by altering the R group.

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Use of Humic Substances in Froth Flotation Processes

The chemicals and reagents used in flotation processes especially invoke high costs of handling and disposal due to their hazardous nature, but until now, few studies have been carried out to seek possible alternatives. ... and mixtures of CC and biosolids main components) in the froth flotation of copper sulfide ores. Tests were carried out in ...

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Froth flotation of zinc sulfide - United States Borax ...

The froth flotation takes place in the presence of a collector reagent for the zinc sulfide such as the dithiophosphate and xanthate compounds well-known to the art. See, for example, U.S. Pat. No. 3,086,653 which describes the use of salts of dithiophosphate esters, such as the dialkyl esters, as flotation promotors.

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US20110198296A1 - Sulfide flotation aid - Google Patents

The invention provides a method of improving a flotation separation process. The method involves PAPEMP, a material previously thought to only be of use in controlling scale deposit on surfaces of equipment used in cyanide leaching. In the invention the PAPEMP is added to the flotation separation process for improved sulfide mineral separation.

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Flotation Behavior of Complex Sulfide Ores in the Presence ...

Jan 01, 2017  Froth flotation has found extensive use in the mineral processing industry especially in treating low grade ores. Froth flotation process exploits the difference in surface hydrophobicity of mineral particles. ... Materials and Reagents. Complex sulfide ore samples of Mississippi valley type were obtained from a mine located in North America. A ...

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Flotation Collectors - Mineral Processing Metallurgy

Aug 10, 2015  For industrial sulfide mineral flotation, the xanthates and dithiophosphates are the major classes of Flotation Collectors compounds used, where M+ is either Na+ or K+, and R is a relatively short hydrocarbon chain typically containing two to five carbon atoms. The solubility, pH application range, physical state (solid or liquid), and ...

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Flotation Reagent - POWER CHEMICALS

Frothers produce a froth which is strong enough in the flotation cell to support the floated minerals, but breaks down quickly once the forth and its attached minerals overflow the cell. Our POWERFROTH™ Frother Reagents are able to create a wide range of froth requirements for

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Quality Flotation Reagent Xanthate Flotation factory ...

16721-80-5 Flotation Reagent NaSH With Soluble In Water For Copper Processing Contact Now Colorless Liquid MIBC Froth Flotation Reagents With 99% Purity CAS 108-11-2

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How Flotation Reagents are Used Fote Machinery

Jun 22, 2021  How Flotation Reagents are Used. Using flotation reagents correctly means choosing right reagent regime prior to the flotation process. Reagent regime refers to a set of rules regulating the reagent type added, usual quantity fed, and the appropriate ways, position and order of adding reagents. The reagent regime is mostly determined by factors ...

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(PDF) A Review of the Flotation of Copper Minerals

Sulphide ores are the major sources of base metals like Copper, Lead, Zinc, Nickel and Cobalt. Beneficiation of. these base metal sulphide minerals is predominantl y through the froth flotation ...

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Use of chelating agents as collectors in the flotation of ...

Feb 01, 1999  Fourteen reagents that are potentially capable of chelating with a metal ion on the surface of the major copper sulfide minerals and pyrite were evaluated for their effectiveness in floating these sulfides. The reagents studied fall into the classes of mercaptobenzole mutations, thiouronium, thionocarbamates, thiourea, imidazole mutations, oximes, hydroxyquinoline and xanthogen formate.

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Froth Flotation - InterChem

Flotation is at the heart of InterChem's mineral processing business. Choosing the right frother chemistry in synergy with collector and the overall plant reagent scheme is what we aim to optimize to enhance mineral recoveries and concentrate grades and optimize the flotation process.

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