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Requirement of ore dressing and flotation on the acidity and alkalinity of ore solution

We study the effect of one of the main parameters of flotation oredressing specifically alkalinity of the pulp on the selective flotation of sulfide and oxide minerals of copper from the Udokan deposition ores Chita oblast It is found that the optimum values are pH 9 for sulfide minerals of copper and pH 10 for the oxide ones A supply of lime at the stage of pounding and sodium

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In ore dressing ore useing mechens

Alkalinity it generally use lime caustic soda etc to adjust and maintain the ph value to 10 12 After the raw ore is piled up or into the pool it should return water to adjust the alkalinity to pH value 11 1 Dosage the dosage is about 05 to 10 parts per thousand 5001000 g of drugton of ore The property grade and pH of the ore Read More ore

At a pH of 75 using 2000 gt DDA and 1500 gt sodium carbonate a pyrolusite concentrate containing almost 40 MnO with 715 recovery is achieved by carrying out the ore flotation experiments

Request PDF On Oct 1 2014 LM Shengo and others published Assessment of water quality effects on flotation of coppercobalt oxide ore Find read and cite all the research you need on

Assessment of water quality effects on flotation of copper

Assessment of water quality effects on flotation of copper

Aug 31 2020 Iron ore beneficiation technology by reverse flotation 083120 529 Views icon 1 Iron ore beneficiation technology by reverse flotation With the development of the iron and steel industry the quality requirements for iron ore concentrates are becoming more and more stringent

How to improve the leaching rate of gold heap leaching

Jul 30 2021 Under the required pH value the diafiltration is performed by spraying with sodium cyanide solution to extract gold To improve the gold heap leaching rate is the key to the heap leaching process and to improve the gold leaching rate we need to start from the following 6 waysore preparation gold stacking PH value control cyanide

Apr 01 2009 The conditioning times for collector and frother were 2 min and 1 min respectively The flotation time was 4 min 23 Infrared spectrum examination 10 g sample was immersed in 25 mL collector solution and mortar handground for 15 min using an agate pestle then settled for 30 min filtrated flushed 23 times using corresponding recycled water

Feb 17 2019 The Lead and Zinc ore dressing according to the different types of ore then choose different ore dressing methods also need different leadzinc ore beneficiation equipment Sulfide ores are usually flotation methodOxidized ore is beneficiated by flotation or gravity separation combined with flotation or flotation after curing roasting or

US3844303A US31454072A US3844303A US 3844303 A US3844303 A US 3844303A US 31454072 A US31454072 A US 31454072A US 3844303 A US3844303 A US 3844303A Authority US United States Prior art keywords flotation alkalinity pulp circuit electrical conductivity Prior art date 19721213 Legal status The legal status is an assumption and is not a legal conclusion

US3844303A Lime control method for highly alkaline

US3844303A Lime control method for highly alkaline

Gold Flotation Mineral Processing amp Metallurgy

Jul 13 2016 The oredressing laboratory of this company is studying the question and preliminary results indicate that this statement is unfounded The addition of xanthate in the amount usually found in flotation circuits does not precipitate gold from a pregnant cyanide solution containing the normal amount of cyanide and lime PRIMARY SLIME

Apr 01 1983 The flotation method most commonly applied is the one that is based on cationic flotation of silica and silicates reverse flotation and which is preceded or not by desliming or selective flocculation INTRODUCTION Research on the flotation of iron ore on either a bench or a pilotplant scale started towards 1931 Crabtree and Vincent 1962

The symbol pH is defined as the logarithm of the re ciproeia of the hydrogen ion concentration A neutral soluticm as has been shorn has a pH of 7 if the pH is loss than 7j the solution is acid if greater than 7 the solution is basic A change of one pH unit indicates a tenfold in

The technology of concentration of the sulfide antimonyarsenic goldbearing ore containing 36 gtn Au 03 Sb and 04 As is developed This technology implies the flotation separation of antimonite and arsenopyrite into separate products and allows them to perform in various cycles increasing production efficiency due to a decrease in consumption of sulfuric acid for bacterial oxidation

How to Process Copper Ore Beneficiation Methods and

Chemical beneficiation of copper oxide ore Acid leachingprecipitationflotation Scope of application malachite cuprite tenorite copper mine tailings etc except copper ore containing calcium magnesium carbonate gangue The ore is first leached with a 05 to 3 sulfuric acid dilute solution

How to Process Copper Ore Beneficiation Methods and

How to Process Copper Ore Beneficiation Methods and

Keywords flotation zinc ore additives zeta potential infrared spectroscopy 1 INTRODUCTION Froth flotation is an ore dressing method Normally the surface of ore particles in suspension are modified to be hydrophobic by adsorption of some additives The air is flowed into the suspension forming bubbles on which ore particles are attached

Chemical beneficiation of copper oxide ore Acid leachingprecipitationflotation Scope of application malachite cuprite tenorite copper mine tailings etc except copper ore containing calcium magnesium carbonate gangue The ore is first leached with a 05 to 3 sulfuric acid dilute solution

Jul 13 2016 Soda ash is the most widely used regulator of alkalinity Lime should not be used because it is a depressor of free gold and inhibits pyrite flotation Sodium sulphide is often helpful in the flotation of partly oxidized sulphides but must be used with caution because of its depressing action on free gold

Effect of alkalinity of a pulp on selective flotation of

We study the effect of one of the main parameters of flotation oredressing specifically alkalinity of the pulp on the selective flotation of sulfide and oxide minerals of copper from the Udokan deposition ores Chita oblast It is found that the optimum values are pH 9 for sulfide minerals of copper and pH 10 for the oxide ones A supply of lime at the stage of pounding and sodium

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