Flotation Reagents - Mineral Processing & Metallurgy

Used to sulphidize lead and copper ores. Depressant for silver sulphide minerals and metallic gold. Sodium Sulphite Na2SO3. White granular water soluble solid. 10% solution .1 to 5.0 Depressant for zinc and iron sulphides. Used in place of cyanide particularly in ores containing silver. Sodium Tetra Pyrophosphate: Na4P2O7. 10H2O.

sodium hydrogen sulphide copper flotation - aelabworld.co.za

Sep 15, 2018 · It is a good collector for the flotation of oxide minerals, eg. Oxidized sulfide, copper and lead ores. Get Price sodium hydrogen sulphide copper flotation. Jun 22, 20170183;32;Sulfur Ore, Sulfur Ore Suppliers and Manufacturers at sodium hydrogen sulphide copper flotation. sodium hydrogen sulphide copper flotation offers 339 sulfur ore products.

Organic Flotation Depressant - 911metallurgist

These depressants are organic mixtures reacted with inorganic salts. They have found application for depression of oxidized pyrite, marcasite and pyrrhotite during the flotation of Cu, Cu-Zn, Cu-Pb-Zn and Pb-Zn ores. Some of these depressants have been adapted for depression of zinc during sequential copper zinc flotation.

flotation process sulphide flotation equipment

Flotation of Sulphide Ores - HZL Experience - [email protected] 400 million tons of sulphide ore is treated annually by flotation process worldwide. . produced, large size mining and mineral processing equipment's were.

Copper–Molybdenum Sulphide Ore by Flotation - mdpi

Copper–Molybdenum Sulphide Ore by Flotation Zhixiang Chen 1, Guohua Gu 1,*, Shuangke Li 1,*, ... as a depressant. Flotation process and mechanism were examined by response surface methodology, flotation tests, adsorption tests, zeta potential measurements and fourier transform ... inorganic depressants are routinely used as the selective ...

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

Copper oxide ores Copper sulphide ores Flotation collectors Mineral processing Alkyl hydroxamates abstract Sherwood Copper’s Minto Mine processes a high grade copper–gold deposit in Yukon, Canada. The ore mined is from a primary copper sulphide deposit with separate additional deposits of …

FROTH FLOTATION : RECENT TRENDS Flotation of Sulphide …

FROTH FLOTATION : RECENT TRENDS @IIME, JAMSHEDPUR, 1998; pp. 18-41 Flotation of Sulphide Ores - HZL Experience V.P. KOHAD Hindustan Zinc Ltd., Zawar Mines, Udaipur - 313 901 ABSTRACT Flotation process, patented in the year 1906, was originally developed for mineral industry to recover values from high grade tailings of gravity separation plants.

Selection and evaluation of different depressants systems ...

The use of two or more depressants is referred to as a depressant system.Research and development work has been carried out to develop and define depressant systems for beneficiation of massive ...

Tannins: the organic depressants alternative in selective ...

Being pyrite (iron sulphide) the main gangue mineral associated with copper sulphides, it is of the main interest to study conditions to obtain selective depression of pyrite. In the case of Cu–Mo flotation plants, inorganic depressant reagents are commonly used, such as cyanide, Na 2 …

(PDF) Effect of different depressants on galena flotation

Selective separation of sulphide minerals such as galena, chalcopyrite, sphalerite, pyrite etc., can be achieved with various collectors, depressants and modifiers.

Chapter 5 Roles of Depressants in Flotation of Sulphide ...

Modifiers in the flotation of sulphide minerals mainly include depressants and activators. A depressant is defined as a reagent which inhibits the adsorption ofa collector on a given mineral or adsorbed on the mineral to make the surface hydrophilic, and includes inorganic depressants such …

FROTH FLOTATION : RECENT TRENDS Flotation of Sulphide …

FROTH FLOTATION : RECENT TRENDS @IIME, JAMSHEDPUR, 1998; pp. 18-41 Flotation of Sulphide Ores - HZL Experience V.P. KOHAD Hindustan Zinc Ltd., Zawar Mines, Udaipur - 313 901 ABSTRACT Flotation process, patented in the year 1906, was originally developed for mineral industry to recover values from high grade tailings of gravity separation plants.

Selection and evaluation of different depressants systems ...

The use of two or more depressants is referred to as a depressant system. Research and development work has been carried out to develop and define depressant systems for beneficiation of massive sulphide lead-zinc, copper-zinc and copper-lead-zinc ores. Three major groups of depressants have been studied in various combinations.

Flotation separation of copper-molybdenum sulfides using ...

The effects of various activators on the flotation behaviour of lime-depressed pyrrhotite (FeS1.1) were investigated. The activation mechanisms were studied using electrochemical analysis, Fourier ...

Depressants and dispersants - Huntsman Corporation

In mineral flotation the challenge is to maximize the recovery of desired minerals while rejecting unwanted gangue components. Depressants are required to give a low affinity to active sites on valuable mineral surfaces and a high affinity for gangue minerals and some sulfides.

flotation process of zinc copper and silver ore

Oct 16, 2018 · At Britannia the copper ore contained just over 1% copper (though in the early such as native copper, native silver, etc., but most valuable minerals are namely copper, zinc and iron. This happened in a step called 'differential flotation'.

as a Novel Selective Depressant for Chalcopyrite in ...

These inorganic depressants are very toxic and hazardous to health and plants, and the higher dosages ... macro-molecular depressants for copper-molybdenum flotation separation, only sodium thioglycollate ... of ore surface and subsequent flotation response of sulphide ores, such as chalcopyrite and galena [2].

v117n5a12 An improved flotation test method and pyrite ...

An improved flotation test method and pyrite depression by an organic reagent during flotation in seawater by R.I. Jeldres*, D. Calisaya*, and L.A. Cisternas* *59,484 Flotation of copper-molybdenum sulphide ores in seawater entails critical challenges such as selective recovery of …

Chapter 8 Flotation of Non-Sulphide Minerals - Hacettepe

Chapter 8_Flotation of Non-Sulphide Minerals Contents: Oxides & silicates. Adsorption & chemisorption of collectors. ... Depression with inorganic ions – the inorganic cations compete with RNH 3 + for surface sites. ... as with sulphide ores it can include a sulphide flotation also to remove unwanted sulphide.

Handbook of Flotation Reagents - msface.webs

Contents 12.4.5 Flowsheet used in flotation of porphyry copper ores and copper-molybdenum separation ..... 264

US4090867A - Flotation of non-sulphide copper ores ...

Flotation of a variety of non-sulphide and mixed sulphide plus non-sulphide copper ores is disclosed. Stabilization of non-sulphide copper mineral surfaces by sulphidization is initially required and a selective complexing agent able to complex with the copper sulphide …

depressants - Tejaras Co. - chemicaliran

Hydrate Lime: Depressant for pyrite during copper and zinc flotation and in other sulphide ores where pyrite is a problem. Citric Acid: Organic Acid gangue depressant for ores containing oxide minerals Sodium sulfide & Hydrosulfide (NaHS): Used for the depression of Cu and Fe sulfide minerals in Cu/Mo separation. Nokes Reagent: Used for the depression of Cu and Fe sulfide minerals in Cu/Mo …

as a Novel Selective Depressant for Chalcopyrite in ...

minerals. For example, the floatability of chalcopyrite can be minimized with traditional inorganic depressantsincludingcyanide, sodiumsulphideandNokes’reagent, aswellasmanyotherdepressants[3]. These inorganic depressants are very toxic and hazardous to health and plants, and the higher dosages required result in high cost and low selectivity [4].

depressants - Tejaras Co. - chemicaliran

Hydrate Lime: Depressant for pyrite during copper and zinc flotation and in other sulphide ores where pyrite is a problem. Citric Acid: Organic Acid gangue depressant for ores containing oxide minerals Sodium sulfide & Hydrosulfide (NaHS): Used for the depression of Cu and Fe sulfide minerals in Cu/Mo separation. Nokes Reagent: Used for the depression of Cu and Fe sulfide minerals in Cu/Mo …

Flotation experiment research on a polymetallic sulfide ore of

The most valuable elements in a polymetallic sulfide ore in the Shanxi province are copper, lead, zinc, gold and silver, and the main metal minerals are galena, sphalerite, chalcopyrite, pyrite, and so on.

flotation of copper sulphate - chiropractorchiropractic.co.za

Copper Acetate Wholesale, Acetate Suppliers. Copper Acetate, Wholesale Various High Quality Copper Acetate Products from ... chemical manufacturer supply Copper Flotation Chemical of Potassium Isobutyl .... amino acids and coenzymes, copper sulphate, and anesthetic agents.

Activators & Depressants for Mining - Kemcore

They can make the surface hydrophilic. Both activators and depressants can be either inorganic or organic compounds. Our range includes Sodium ferrocyanide ,Sodium Hydrosulfide (NaHS Flakes) , Sodium sulphide 60% 1500ppm, Sodium Mercaptobenzthiazole (MBT-Na) and Yellow Dextrin Powder.

aeromine 3000c for copper gold ores flotation

Flotation CollectorsCYTEC SOLVAY GROUP. collectors promoters are used extensively for the flotation of sulfide minerals including copper, gold, lead, zinc, dynamic interaction of the ore body and plant characteristics with the chemicals including collectors in the flotation process.

How can we separate a mixture of two sulphide ores using ...

How can we separate a mixture of two sulphide ores using froth floatation method? [closed] up vote 0 down vote favorite. As we know froth floatation method makes use of the wetting properties of mineral particles. Mineral particles (sulphide) become wet with oils, while gangue particles get wet by water ...

Zinc Sulfide Ore Flotation - greenrevolution.org

Keywords- Sulphide ores, Flotation, Flotation depressant, Mineralogy.2.69 Мб 0002, South Africa ABSTRACT The flotation response of a Pb-Zn sulphide ore from the Rosh Pinah Mine (Namibia) was studied in the presence of inorganic depressants such as sodium cyanide and zinc sulphate.

Flotation Chemistry of Complex Sulphide Ores - DiVA portal

Froth flotation method is used annually to concentrate more than one billion tons of global sulphide ores (Fuerstenau et al., 2007). This concentration method requires billions of gallons of water in the process. In addition a number of chemicals; flotation collectors, depressants, activators, regulators etc are used in froth flotation.

Are copper ore and sulphide ore the same thing? - Quora

Yes they are, sorta. There are two important ores of copper: oxide ores and sulfide ores. Below is a chart from Tridge - Find The World’s Most Competitive Suppliers which shows how copper is processed. so we can see that sulfide ores are a type of copper ores.

A Study of Several Inorganic Inhibitor Effected on ...

Abstract: Talcum is a common gangue with which sulphide ores are associated, it has an adverse impact on sulphide ores flotation and product index due to its high natural floatability. In this paper it takes talcum-bearing copper sulphide ores from DongChuan in Yunnan province as experimental samples, and a series of tests on depressing talcum ...

Solution chemistry of sulphide mineral flotation in ...

Cu–Pb–Zn polymetallic sulphide ores flotation. Flotation of pyrite-containing Cu–Pb–Zn polymetallic sulphide ores to produce separate copper, lead and zinc concentrates is a classic issue in sulphide flotation, and a challenge after years of recycling the process water.

Handbook of flotation reagents chemistry, theory and ...

Get this from a library! Handbook of flotation reagents chemistry, theory and practice ; flotation of sulphide ores. [Srdjan M Bulatovic] -- Handbook of Flotation Reagents: Chemistry, Theory and Practice is a condensed form of the fundamental knowledge of chemical reagents commonly used in flotation and is addressed to the researchers and ...

processing leadzinc sulphide mineral flotation

Froth flotation of Aljustrel sulphide complex… pdf. 17 May 2016 ... Abstract: Froth flotation of copper-zinc-lead ores is a complex process based on similar metallurgy processing and strong interactions between chalcopyrite and sphalerite. These types of ores represent 15% of the world production and 7.5% of copper deposits all over the world.