Flotation of zinc and lead oxide minerals from Olkusz region calamine ores Krystian Cichy1 a Cezary Regula2 and Grazyna Pajor2 1Institute of Non Ferrous Metals ul Sowinskiego 5 44 100 Gliwice Poland 2ZGH Boleslaw S A Poland Abstract The paper presents chemical and mineralogical characteristics of calamine ore from
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The feed to the oxide zinc flotation circuit requires careful desliming prior to flotation and is then floated with a relatively large amount of sulphidizing agent and a cationic collector with frother added as required Investigators originally reported best results at pH levels between 10 5 and 11 5 although some ores respond well to the
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With regard to a deep extend oxidized refractory lead zinc ore from Yunnan province containing 4 55 Pb and 17 09 Zn a test study was carried out By adopting single stage roughing single stage scavenging two stage cleaning in the flotation of lead oxide ores and single stage cleaning single stage cleaning in the reverse flotation of zinc oxide ores bulk concentrate of lead and zinc
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According to the test results the flotation process parameters of refractory zinc oxide ore will be optimized by the response surface methodology in this paper The regression model between Zn recovery and sodium sulfide concentration depressant F1 concentration and sodium carbonate concentration was established It can be known that the model is
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Study on the Effect of Slimes on Flotation of Zinc Oxide Mineral ZHU Cong jie Tech center of Yunnan Metallurgy Group Company Kunming Yunnan China The effect of three man made single mineral slimes of quartz calcite and limonite onflotation of smithsonite are studied in detail Test results show that the effect of limonite slime is
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Flotation behaviour of oxide zinc ore from Angooran deposit Iran in the presence of cationic/anionic and mixed cationic/anionic collectors European Journal of Mineral Processing and Environmental Protection 6 3 1–2 14 HOSSEINI S H FORSSBERG E 2007 Physicochemical studies of smithsonite flotation using mixed cationic/anionic
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Flotation tests for recovering zinc and iron from gossan ores was carried out in this paper Flotation is the most commonly used method for beneficiation and pretreatment of oxidized zinc minerals The effects of grinding fineness amount of Na2CO3 amount of Na2SiO3 amount of Na2S and amount of octadecylamine were investigated respectively
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The results showed that zinc sulfide was generated at the outer layer of the zinc oxide mineral after thermal modification resulting in an improvement of the flotation performance The purpose of the present study is to apply the surface modification technology previously applied to pure smithsonite to low grade zinc oxide ore or solid waste
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Compared with lead zinc oxide ore the composition of lead zinc oxide ore is more complex with many associated minerals and the particle size is finer It is easy to produce sludge and contains a lot of soluble salts Various reasons make the flotation treatment of lead zinc oxide ore difficult This article will introduce you to 5 flotation methods and teach you how to choose lead zinc
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Oxide and Reverse Flotation Developments in flotation reagents have made the recovery of a wide variety of oxide carbonate and silicate minerals by flotation a more much effective and economic process SGS is the most experienced and trusted organization in the mineral processing industry Our state of the art technical expertise resolves
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Flotation is the method most often applied commercially for concentrating Pb–Zn oxide minerals 4 5 In the available literature it was found that flotation with xanthate as the collector and Na 2 S as the modifier is widely used for treating non ferrous oxide ores 6 7 8 After being treated with Na 2 S at a moderate dosage 400–3000 g/t the hydrophilicity of the mineral surface decreases because of the presence of chemisorbed sulfide ions In practice sulfidation of zinc oxide
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Influence of important factors on flotation of zinc oxide mineral using cationic anionic and mixed cationic/anionic collectors
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The studies on oxide zinc ore indicate a maximum bench scale flotation recovery of 84 5 with zinc grade 24 5 in the presence of dodecylamine at pH 11 5 There are no significant variations in recovery of cationic and anionic and mixed collectors however amine and mixed collector flotation show to be more selective than anionic collectors
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Among the zinc oxide minerals the more valuable is zincite in addition to zinc ore willemite and so on In the flotation of zinc oxide minerals the flotation operation can be carried out by using xanthate or normal temperature cation collection after heating and vulcanization
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The results showed that zinc sulfide was generated at the outer layer of the zinc oxide mineral after thermal modification resulting in an improvement of the flotation performance The purpose of the present study is to apply the surface modification technology previously applied to pure smithsonite to low grade zinc oxide ore or solid waste
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Oxide lead–zinc ore sample containing 10 17 Pb 10 98 Zn 57 g/t Ag and 164 g/t Cd was subjected to this experimental study and taken from Kayseri located in the foothills of the Aladag ˘ Mountains Turkey Preliminary flotation tests with the ore
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Flotation process and equipment of lead zinc ore In the beneficiation of lead zinc ore flotation is an important process Mixing in mixing tank After the ground pulp is classified by the classifier it enters the mixing tank for mixing Control the slurry concentration at 25 35 then add flotation agent to control the slurry pH value 9 11 and stir it for 6 15 min
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Froth flotation is the most popular method for the recovery of zinc oxide minerals However easy to slime complex composition high solubility and reagent control difficulty Chen and Tang 2020 Ejtemaei et al 2011 are severe obstacles on the recovery of zinc resource
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When the oxidized zinc ore is floated with an amine collector it is difficult to separate the gangue minerals mainly composed of zinc oxide and calcium magnesium carbonate At the same time the presence of ore slime also affects the flotation using amine collectors
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The amount of zinc oxide used for flotation varies with the type of ore but the following amount can be used Floating zinc oxide ore sodium sulfide 6 12kg/t primary amine 100 600g/t Floating mixed zinc ore sodium sulfide 1 3kg/t primary amine 50 100g/t
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Handbook of Flotation Reagents6 16 Мб 1 Nitroso 2 napthol Floated mineral Oxide nickel Oxidized lead ore Nickel ore Copper ore cassiterite Copper oxide Pyrochlore Zinc oxides Chalcopyrite Nickel ore Cobalt arsenic ore acid and alkane dicarboxylic acids all of which were used for flotation
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conditions by flotation flowsheet of the step by step flotation that was floating sulfide minerals of zinc oxide minerals of lead and oxide minerals of zinc one by one Lead zinc and silver in the tailings were recovered effectively from which excellent economic benefits can be obtained
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Pretreatment of zinc oxide minerals and flotation tests Sulfidization roasting were usually performed in the temperature range of 600–750 °C 20 24 In order to examine the flotation
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The flotation of zinc oxide minerals is suggested for sulfidization of the smithsonite followed by activation with CuSO 4 and flotation of the activated zinc oxide using xanthate at pH 10 5 It is also implied that after pretreatment of the pulp with sulfidizer followed by reconditioning with CuSO 4 zinc oxide flotation can be achieved with a mixture of xanthate/mercaptan collectors 6
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Then the oxide minerals flotation by sulfidization of the surface of lead–zinc oxide minerals is performed Aero 404 407 or 412 with isopropyl or amyl xanthates are preferred collectors for lead–sulfur oxides and fatty acids collectors used for zinc oxide minerals flotation 10 11 12 13 The use of cationic catalysts in zinc oxide flotation is less than that used for other collectors xanthates and
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Compared with lead zinc oxide ore the composition of lead zinc oxide ore is more complex with many associated minerals and the particle size is finer It is easy to produce sludge and contains a lot of soluble salts Various reasons make the flotation treatment of lead zinc oxide ore difficult This article will introduce you to 5 flotation methods and teach you how to choose lead zinc
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When the oxidized zinc ore is floated with an amine collector it is difficult to separate the gangue minerals mainly composed of zinc oxide and calcium magnesium carbonate At the same time the presence of ore slime also affects the flotation using amine collectors
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Flotation of zinc and lead oxide minerals from Olkusz Flotation of zinc and lead oxide minerals from Olkusz region calamine ores Krystian Cichy1 a Cezary Regula2 and Grazyna Pajor2 1Institute of Non Ferr XH mining provides high quality gold beneficiation equipment and 70 mineral solutions E mail email protected
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method for the recovery of oxidized lead and zinc minerals from ores at present is flota tion Onal G et al 2005 The flotation of oxidized lead and zinc minerals particularly zinc minerals is much more difficult than the flotation of corresponding sulfide miner als Hexyl and amyl xanthates are capable of collecting smithsonite
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Sulfidation followed by amine flotation This method is suitable for the flotation of carbonate silicate and other zinc containing oxidized minerals The advantage of amine collector is that it has no obvious effect on quartz and alkaline earth metal carbonate in alkaline medium Moreover when using amine as collector the remaining sodium sulfide not only has no inhibitory effect but also activates the zinc oxide mineral Primary amine has a strong ability to capture zinc oxide especially primary amine with 12 18 carbon atoms while secondary amine and tertiary amine have a weak ability to capture zinc oxide
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The additional reagents required for the zinc flotation consist of sodium sulphide primary amines and a frother which are added to the conditioner discharge in the order stated and prior to entering the flotation machines The rougher zinc concentrate is cleaned two times to produce a high grade zinc concentrate The lead and zinc flotation
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The studies on oxide zinc ore indicate a maximum bench scale flotation recovery of 84 5 with zinc grade 24 5 in the presence of dodecylamine at pH 11 5 There are no significant variations in recovery between cationic and anionic and mixed collectors however amine and mixed collector flotation are more selective than anionic collectors
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lead and zinc minerals from ores is flotation 3 The flotation of oxidized lead and zinc minerals particularly zinc minerals is much more difficult than the flotation of corresponding sulfide minerals 4 6 Normally the fatty acids are used to recover the zinc oxide minerals such as smithsonite hemimorphite and calamine via froth
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Flotation of zinc and lead oxide minerals from Olkusz Flotation of zinc and lead oxide minerals from Olkusz region calamine ores Krystian Cichy1 a Cezary Regula2 and Grazyna Pajor2 1Institute of Non Ferr XH mining provides high quality gold beneficiation equipment and 70 mineral solutions E mail email protected
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Keywords Flotation Lead Oxidation Zinc Summary The recovery of oxide carbonate Pb Zn ores using different chemicals under changing conditions by flotation was the objective of this experimental study Oxide Carbonate Pb Zn ore sample containing 9 05 Pb and 11 97 Zn with a major mineralization of smithsonite serusite taken from
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Flotation of the oxidized ores of zinc By Fred Henry Bunge Get PDF 2 Abstract There is no satisfactory method of concentrating the finely disseminated oxide ores of zinc Gravity methods of concentrating such ores may be used for coarsely crystalline materials in which the zinc material is free at approximately 10 to 35 mesh or coarser
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