Dual effects of sodium sulfide on the flotation behavior ...

Abstract. This study explores the flotation behavior of chalcopyrite in the presence of different concentrations of sodium sulfide (Na 2 S·9H 2 O) at pH 12 under controlled potential conditions. It was observed that the flotation of chalcopyrite is not depressed completely when the pulp potential is low, even at high concentrations of sodium sulfide, i.e., 10 −1 –10 −2 mol/L.

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Characterization and Flotation of Sulfur from Chalcopyrite ...

Vo1. 2, Characterization and Flotation of Sulfur from Chalcopyrite Concentrate Leaching 7 A sodium silicate dosage of 50 g/t increases the sulfur grade of the concentrate to 89% with a recovery of 91%. The grade of both copper and siliceous material has

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Flotation of a copper sulphide ore from Okiep using thiol ...

Flotation of a copper sulphide ore from Okiep using thiol collectors and their mixtures The Journal of The South African Institute of Mining and Metallurgy VOLUME 105 NON-REFEREED PAPER MARCH 2005 201 Figure 1—The final cumulative copper recovery vs. collector dosage obtained with C2-X, di-C2-DTP and di-C2-DTC in the flotation of the Okiep copper ore

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The effect of copper sulphate addition on the recovery of ...

of copper sulphate dosage that can activate the chromite and also to evaluate the effect of the depressant type and dosage on the recovery of chromite in the flotation of UG2 ore. The two depressants selected were for evaluation of the guar gum, IMP4 and the carboxymethyl-cellulose (CMC), KU5. Flotation performance was evaluated using the ...

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(PDF) Flotation of an Oxidized Copper Sulfide Ore

surfaces of the copper minerals using sodium sulfide as a sulfidizing reagent , and optimizing the flotation conditions, it was possible to obtain a rougher co pper concentrate assaying 19.2% Cu ...

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Alternatives For Sodium Cyanide For Flotation Control ...

&ER& United States Environmental Protection Agency Industrial Environmental Research Laboratory Cincinnati OH 45268 Research and Development EPA-600/S2-81-157 Oct. 1981 Project Summary Alternatives for Sodium Cyanide for Flotation Control E. J. Mezey, D. W. Neuendorf, G. Ray Smithson, Jr., and James F. Shea Cyanide has long been looked upon as the classical poison and has been …

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The Effect of Sodium Silicate as pH Modifier and ...

The Effect of Sodium Silicate as pH Modifier and Depressant in the Froth Flotation of Molybdenite Ores Chul-Hyun Park and Ho-Seok Jeon* Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, Korea In flotation of porphyry molybdenite ores or copper-molybdenite ores using oil collector, a molybdenite (MoS 2) concentrate has mainly

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Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

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SEPARATION OF COPPER AND MOLYBDENUM FLOTATION …

Jul 27, 2017· copper and molybdenum separation in the flotation machine is easy to use, because some details of the impact of the separation effect, below about four measures to improve the effect of flotation ...

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Copper-Lead-Zinc ores - Danafloat

This flotation step is conducted at alkaline pH. In the case where galena is floated and the copper minerals are depressed, copper depression can be achieved by using sodium sulphide, hydrosulfite, lime, cyanide, zinc-cyanide and/or ferricyanide complexes. Selection of flotation reagents and frothers is an important, even critical, consideration.

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Flotation Froth - an overview | ScienceDirect Topics

Various process chemicals are used in the froth-flotation of metallic ore of uranium, copper, zinc, lead, and iron. The flotation chemicals are mainly Isooctyl Acid Phosphate, Sodium Isopropyl Xanthate and Potassium Amyl Xanthate as conditioner and collector, MIBC as frothers, and sodium cyanide and copper sulfate as depressors.

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Copper-Molybdenum ores - Danafloat - Home

Recovery of copper is by standard flotation reagents identified in the copper ore flotation description. Molybdenum will float naturally with the copper but can be crowded in the froth by the copper mineralization and use of a moly collector (such as diesel oil, kerosene, refined oils, pine oil or xanthate ester) enhances its floatability.

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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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FLOTATION OF ZINC OXIDE ORE USING CATIONIC AND …

covery of smithsonite flotation occurred at pH = 9 and pH = 10.5–11 using KAX and Armac C, respectively. In the next experiments pH=11 was selected for cationic flota-tion by Armac C and Armac T. The effects of sodium sulfide on smithsonite flotation using 500 g/Mg Armac C, Armac T and KAX are shown in Fig. 4. The recovery of

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Evaluation of sodium isobutyl xanthate as a collector in ...

Oct 25, 2014· Abstract. The dosage of a collector is an important factor that determines the efficiency of a froth flotation process. The representative sample of the carbonatitic Palabora copper ore ground 45 % passing 75 µm was froth-floated with sodium isobutyl xanthate (SIBX) collector at 60, 70, 80, 90 and 100 g/t dosages.

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ROLE OF STARCH AND METABISUPHITE ON PURE PYRITE …

Role of starch and metabisulphite on pure pyrite and pyritic copper ore flotation 43 occurred with 1.7 mg/ dm3, while 21% depression occurred with the same dosages of starch at pH 6.5 where pyrite flotation is expected to be weak at pH 10.

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AERO® | Solvay

Improve efficiency of flotation separation processes for a wide range of ores and minerals. AERO® promoters are used extensively for the flotation of a wide range of minerals including copper, gold, lead, zinc, nickel, iron and many others.

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Global Copper Flotation Sodium Hydrosulfide Market Report ...

with the slowdown in world economic growth, the Copper Flotation Sodium Hydrosulfide industry has also suffered a certain impact, but still maintained a relatively optimistic growth, the past four years, Copper Flotation Sodium Hydrosulfide market size to maintain the average annual growth rate of 15 from XXX million $ in 2014 to XXX million $ in 2018, analysts believe that in the next few ...

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The role of sodium sulfide in the flotation of pyrite ...

In copper-gold flotation plants, pyrite which is depressed in copper flotation is often floated subsequently with the addition of sodium sulfide (Na 2 S) to recover the associated gold. For the first time, this study investigated the role of Na 2 S responsible for the flotation of pyrite depressed in chalcopyrite flotation through flotation tests and Cyro-XPS (X-ray photoelectron spectroscopy ...

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Flotation of mixed copper oxide and sulphide minerals with ...

Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors K. Leea, D. Archibaldb, J. McLeanc, M.A. Reuterc,* ... The sulphidisation reagent, sodium hydrogen sulphide (NaHS) was sourced from Acros Organics.

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Flotation experiment research on a polymetallic sulfide ore of

The polymetallic separation flowsheet of copper/lead bulk flotation–copper lead separation–priority floating zinc and pyrite from the bulk flotation tailings was used based on the ore properties. The flowsheet principles used in the experiment is shown in Figure 1. use con.as Concentrate, The following are the same as feed

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Global Copper Flotation Sodium Hydrosulfide Market By ...

Global Copper Flotation Sodium Hydrosulfide Market By Product Type (Liquid, Solid) And By End-Users/Application (Pulp Paper, Copper Flotation) Global Market Share, Forecast Data, In-Depth Analysis, And Detailed Overview, and Forecast, 2013 - 2026

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Copper Flotation Sodium Hydrosulfide - Market Research ...

Research Corridor recently added new report titled Copper Flotation Sodium Hydrosulfide Market Report - Global Trends, Market Share, Industry Size, Growth, Opportunities, and Market Forecast - 2018 – 2026 to its repertoire. This latest industry research study scrutinizes the Copper Flotation Sodium Hydrosulfide market by different segments, companies, regions and countries over the forecast ...

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The Processing Method of Copper Oxide Ore - wsdty.com

There are several main methods for treating Basic Copper Chloride ore:. 1. Fluoride flotation after vulcanization. In this method, the oxidized mineral is first vulcanized with sodium sulfide or other vulcanizing agent (such as sodium hydrosulfide), and then the higher xanthate is used as a collector for flotation.

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Global Copper Flotation Sodium Hydrosulfide Market ...

This report studies Copper Flotation Sodium Hydrosulfide in Global market, especially in North America, China, Europe, Southeast Asia, Japan and India, with production, revenue, consumption, import and export in these regions, from 2013 to 2018, and forecast to 2025.

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Chalcopyrite and pyrite floatabilities in the presence of ...

ABSTRACTOne of the principal problems in flotation of copper complex ores is the presence of pyrite and copper-activated pyrite in moderately alkaline pHs. Misreported pyrite into copper concentrates dramatically declines copper grade and its recovery. In this study, the effect of sodium sulfide, sodium metabisulfite (SMBS), and their dosages (100, 200, 300, and 400 g/t) were investigated on ...

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THE EFFECT OF SULPHITE ON THE XANTHATE-INDUCED …

Additional flotation experiments were carried out with air purging to identify the effect of air on the xanthate-induced flotation of copper-activated pyrite either in the presence or absence of sodium bisulphite (at pH 7). In this case, the xanthate-induced flotation of copper-activated pyrite in an air atmosphere was lower compared to the

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Role of Sodium Sulfide – Copper Lead & Zinc Ore Flotation

Sodium sulfide is one of the most widely used alkali metal sulfides in the flotation of copper, lead, and zinc minerals in their oxidized form. The sulfidization process, developed in the U.S.A. in 1915-20 for oxide copper minerals flotation, is especially suitable for …

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Sodium Isobutyl Xanthate - flotation-solution.com

It is used in mining industry for mineral processing process as flotation collector which is a kind of mining reagent. Potassium isobutyl xanthate(PBX) is mainly used in the flotation of sulfide ore of copper, lead, zinc etc. Florrea PIBX is especially effective in the flotation of copper …

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United States Copper Flotation Sodium Hydrosulfide Market ...

Sep 12, 2017· United States Copper Flotation Sodium Hydrosulfide market competition by top manufacturers/players, with Copper Flotation Sodium Hydrosulfide sales volume, price, revenue Million USD and market ...

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copper ore flotation chemical sodium hydrosulfide

Copper Ore Flotation Reagents. flotation reagents for the copper ,zinc ore Sodium isopropyl xanthate sipx. Add to Compare .. Copper mining chemical -Sodium Hydrosulphide flake 70%. Get Price 70 Sodium Hydrosulphide. china supplier yellow flake chemical sodium hydrosulphide 70 nash for textile . sodium hydrosulfide,sodium hydrosulphide,flotation ...

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FROTH FLOTATION : RECENT TRENDS Flotation of Sulphide …

History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for

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Global and Chinese Copper Flotation Sodium Hydrosulfide ...

The 'Global and Chinese Copper Flotation Sodium Hydrosulfide Industry, 2013-2023 Market Research Report' is a professional and in-depth study on the current state of the global Copper Flotation Sodium Hydrosulfide industry with a focus on the Chinese market. The report provides key statistics on the market status of the Copper Flotation Sodium Hydrosulfide manufacturers and is a valuable ...

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