froth flotation of sulfide minerals

BENEFICIATION OF SULFIDE MINERALS

Oct 15 2002 0183 32 In froth flotation processes in which it is desirable to selectively collect copper sulfide minerals and selectively reject iron sulfide minerals such as pyrite and pyrrhotite as well as other gangue sulfides the collector is preferably used in amounts of from about 001 lb/ton to about 5 lbs/ton of ore in the slurry...

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Minerals Free Full

Copper sulfide minerals are separated from other gangue minerals by a flotation method Flotation utilizes the surface wettability property evaluated by a contact angle degree Law and Zhao 1 demonstrated that the tangential angle at liquid-solid-air interface can quantitatively describe the wetting of a solid surface by a liqu...

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Froth Flotation Process Used in the Lead Zinc Sulfide Ore

The lead-zinc sulfide is often associated with a variety of valuable components such as lead zinc copper sulfur and other useful minerals whose floatability is obviously different which determines the different froth flotation process of lead and zinc sulfide or The common froth flotation process of sulfide ore mainly includes priority...

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4 Types of Gold Ore Froth Flotation Combined Process

2 Froth Flotation Concentrate Thiourea Leaching For vein gold ore with high arsenic and sulfur or high carbon argillaceous the gold sulfide concentrate can be obtained by the froth flotation and then the flotation concentrate can be recovered by the thiourea leaching process Thiourea gold extraction is a kind of increasingly...

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7 Factors Affecting Froth Flotation Process

Froth Flotation machine plays an indispensable role in the mineral beneficiation process flotation is susceptible to a number of factors during the process including grinding fineness slurry concentration pulp pH pharmaceutical system aeration and agitation flotation time water quality and other process factors The factors that affect...

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Why Is Froth Flotation Used For Sulphide Ores

Froth Flotation Method In Metallurgy Introduction froth flotation is widely used for separating base metal sulphide minerals in complex ores one of the major challenges faced by the flotation of these ores is the ever varying grade and mineralogy as the ore is exploited kabuda et al 2011...

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Sulphide Minerals Flotation Plant

The plant design for froth flotation of sulfide ores depends on its component and ore floatability After crushing grinding and gravity separation of sulfide ores the froth flotation plant design is conducted under mineral testing and floatation reagent design Application With 20 Years experience of EPC service Beneficiation Plant Design...

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Barry Wills Blog Flotation 19 Final Report

Dec 09 2019 0183 32 Two new collectors were introduced a paper from Central South University China describing the development of a new collector for sulfide mineral flotation 5- butylthio -1 3 4-thiadiazole-2-thiol which has been used as the selective collector for improved flotation separation of galena and sphalerite from pyrite...

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US4186083A

An improved process of froth flotation for non-sulfide minerals arises when the collector employed is a combination of a fatty acid and an anionic perfluorosulfonate compound...

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Online analysis of minerals from sulfide ore using near

Froth flotation is a commonly used method for efficient separation of different minerals from finely grinded sulfide ore The mineral level information is an important tool for the optimization of flotation process parameters as it is uneconomical to make mineral products with unacceptably low concentrations and to lose a share of the valuable...

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Froth Flotation Method

Gold flotation The Froth Flotation Method is means separating minerals according to their different physical and chemical properti According to classification the flotability of gold and silver minerals is included in the first category of natural and non-ferrous heavy metal sulfides characterized by low surface wettability and easy flotation which can be flotation by xanthate collectors...

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US1819112A

US1819112A US357338A US35733829A US1819112A US 1819112 A US1819112 A US 1819112A US 357338 A US357338 A US 357338A US 35733829 A US35733829 A US 35733829A US 1819112 A US1819112 A US 1819112A Authority US United States Prior art keywords alkyl ester flotation xanthic minerals Prior art date 1929-04-22 Legal status The legal status is an assumption and is not a legal...

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Novel collector composition for froth flotation

Froth Flotation of a Complex Cu/Mo Ore from South America A 500-g quantity of an ore containing several copper-containing sulfide minerals and molybdenite is placed in a rod mill having one-inch 25 cm rods along with 257 g of deionized water and a quantity of lime...

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A NEW PARADIGM IN SULFIDE PROCESSING BACKGROUND

Conventional flotation data for industrial sulfide flotation circuits Lynch et al 1981 industrial minerals market for the collection of very coarse particles that were once believed to be unrecoverable by froth flotation technology As an example typical results from a coarse potash flotation circuit are...

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Froth Flotation Process

Flotation is the process of separation of beneficial minerals from a mixture by creating froth on which minerals separate out This method of froth floatation is a method of mineral processing in which different minerals are separated selectively Such ores containing multiple metals such as lead copper and zinc can be selectively extracted by...

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Sulfide mineral flotation Request PDF

The selectivity of froth flotation for specific sulfide minerals is dependent upon surfactant slurry pH and surface interactions with dissolved ions Fuerstenau et al 2007 present a...

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Flotation Behavior of Complex Sulfide Ores in the Presence

As for zinc Figure 10 shows that at 50 g/ton of chitosan the recovery of zinc in the froth increased by 40 compared to NaCN at its optimum dosage which is undesirable in the differential flotation of sulfide minerals where lead and copper sulfides are floated in the first flotation stages while sphalerite is depressed Results also revealed...

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Flotation of sulfide minerals

What is claimed is 1 In the process of froth flotation concentration of a sulfide mineral which minimizes the collection of slimes and in which an aqueous pulp of an ore containing such mineral is subjected to a flotation operation to produce a final high recovery of such mineral in a flotation concentrate the improvement comprising carrying out said flotation with a polyglycerol added...

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The Process Of Froth Flotation uriahsweety

In ore beneficiation flotation is a process in which valuable minerals are separated from worthless material or other valuable minerals by inducing them to gather in and on the surface of a froth layer Sulfide and non-sulfide minerals as well as native metals are recovered by froth flotation...

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Froth flotation process used for the concentration of

A Froth floatation process used for the concentration of sulphide ore is based on the difference in wettability of different minerals The metallic sulphide particles of ore are preferentially wetted by oil and the gangue particles by water...

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Froth Flotation Improvement by Plasma Pretreatment of

Froth Flotation Improvement by Plasma Pretreatment of Sulfide Minerals By Frank May In particular for the extraction of sulfides oxides carbonates phosphates but also of coal froth flotation is mainly used for this purpose therefore it is considered as the most important separation process in raw material industri Several...

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Flotation Froth

Froth flotation is influenced by several operating factors The most important of these is pH Interaction with collector and formation of hydrophobic film at a mineral occurs within certain pH range In the case of sulfide minerals at pH above a certain value called critical pH the collector uptake does not occur and the mineral ceases to...

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FROTH FLOTATION RECENT TRENDS Flotation of Sulphide

FROTH FLOTATION RECENT TRENDS IIME JAMSHEDPUR 1998 pp 18-41 Flotation of Sulphide Ores - HZL Experience VP 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...

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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 flotationXanthate 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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PDF A Review of the Flotation of Copper Minerals

these base metal sulphide minerals is predominantl y through the froth flotation technique Some of the most important sulphide minerals are Galena PbS Sphalerite ZnS Chalcocite Cu 2 S...

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Froth Flotation Analysis of Oxidized Lead

Tips for Oxidized Lead-Zinc Ore Froth Flotation Add Sulfides to Sulfide Minerals In the flotation process of oxidized lead-zinc ore sulfide is added first to vulcanize the mineral for subsequent flotation treatment The following problems should be paid attention to in the vulcanization treatment of lead oxide first white lead ore lead...

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Kinetic Studies of Sulfide Mineral Oxidation and Xanthate

Sulfide minerals are a major source of metals however certain sulfide minerals such as pyrite and pyrrhotite are less desirable Froth flotation is a commonly used separation technique which requires the use of several reagents to float and depress different sulfide minerals...

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Froth Flotation Method

Gold flotation The Froth Flotation Method is means separating minerals according to their different physical and chemical properti According to classification the flotability of gold and silver minerals is included in the first category of natural and non-ferrous heavy metal sulfides characterized by low surface wettability and easy flotation which can be flotation...

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The Importance of pH in Flotation

In flotation pH control is a vital method to control selective mineral separation A standard depressant that is used is an Alkali An Alkali is any substance that when mixed with Acid will neutralize each other and form a new chemical substance called a BASE This is very important The ore may be either alkaline or Acidic To have a positive control over flotation it is necessary to be...

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PDF Sulfide Mineral Flotation Morgan Zhao

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...

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