The recovery of oxide copper minerals from a complex copper ore by sulphidisation. ... The results show that copper has a good floatability, independent of the addition of Na2S and Cu2 + ions ...
Get Pricedepressing copper and iron sulfides (Wills, 1997). In addition, it should be noted that conditioning time, pulp density, and reagent additions are the most important parameters in the separation of coppermolybdenum (Bulatovic, 2007). The floatability of molybdenum in porphyry copper …
Get PriceThe abovementioned methods also used in the preferential flotation and the oxide copper ore after sulfuration. For the oxide copper ore processing: For improving the recovery rate and making it is much easier to do the flotation processing, it is better to sulphur the oxide copper ore and make it into sulphide copper …
Get Pricefloatability of oxide copper minerals that are present in th e ore containing carbonaceous an d dolomitic g angue is . significantly different from the flot ation properties of oxide copper contai ...
Get PriceIn part combined flotation process, molybdenum with high floatability will be concentrated first, and then copper and molybdenum combined concentrate are concentrated together. Get Price; Mining. ASD is used to depress copper and iron sulfides in the copper/moly flotation circuit. It is also used as a sulfidizing agent to treat oxide ores.
Get PriceFirst, the floatability of the main Cuprous Chloride mineralsThe most common Cuprous Chloride minerals are malachite and azurite, followed by chrysocolla and cuprite, and sometimes copper sulfate and other soluble salts.(1)Malachite: After prevulcanization, this Cuprous Chloride mineral can be floa...
Get PriceCopper(II) oxide or cupric oxide is the inorganic compound with the formula CuO. A black solid, it is one of the two stable oxides of copper, the other being Cu 2 O or cuprous oxide. As a mineral, it is known as tenorite. It is a product of copper mining and the precursor to many other coppercontaining products and chemical compounds.
Get PriceJul 20, 2007· Cogrinding copper oxide (CuO) with sulphur and flotation of the ground sample are conducted to improve the floatability of the oxide. It has been found that recovery of the ground oxide by flotation has increased with an increase in grinding time and rotational speed.
Get PriceThe main copper sulphide minerals are chalcopyrite (CuFeS2) chalcocite (Cu2S), covellite (CuS), bornite (Cu5FeS4), tetrahedrite ((Cu,Fe)12Sb4S13) and enargite (Cu3AsS4). The largest source of copper is from porphyry ore deposits in which one or a combination of the aforementioned minerals occurs.
Get PriceThe use of a sulphidizer is common in oxide flotation recovery. Na2S (Sodium Sulfide) can help “activate” oxide minerals behave as sulfides. The tests performed by both vendors showed noticeable technical differences between both reagents. AM2 constantly requires the use of Na2S as its copper activator while CTC3 does not rely on Na2S. This dependence on Na2S causes AM2 to float more Pb in ...
Get PriceCopper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu 2 O. It is one of the principal oxides of copper, the other being CuO or cupric oxide. This redcoloured solid is a component of some antifouling paints. The compound can appear …
Get PriceIn the copperzinc sulphide sub category selected as symbiotic sulfur mineral density and secondary copper advanced features make this difficult sorting ore grinding process has been Cu2 activated sphalerite its floatability with chalcopyrite close thus making copper …
Get PriceA new method, staged flotation for effectively increasing the recovery of ultrafine copper oxide ore with a new type of collector (ZH1, C35 carbon chain xanthate) is proposed for the first time. The flotation process and mechanism were examined by flotation tests, entrainment rate analysis, laser particle size experiments and microscopic imagery as well as economic feasibility analysis. It ...
Get PriceEffect of seawater main components on frothability in the flotation of CuMo sulfide ore 19 Frothing agents are employed in flotation to facilitate air dispersion into fine bubbles and to stabilize the froth. Froth stability depends on the frother type and concentration, but also is a function of other variables, such as particle size,
Get PriceRecovery 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.
Get PriceHello Mahdi, as you see in this paper on The effect of mixed collectors in the rougher flotation of copper HP700 and HP600 (alcohols in amine oxide) are typically used in the flotation of porphyry copper and copper molybdenum ores. Also, Handbook of Flotation Reagents: Chemistry, Theory and Practice: Volume 1 says: One of the most difficult tasks is the selection of a proper frother.
Get Priceore types, viz. oxide, sulphide, and mixed. The objective of this study was to investigate the floatability of a complex Kansanshi mixed copper ore comprising sulphide and oxide minerals, with a view to achieving an optimal flotation performance in the treatment of the Kansanshi orebody, with a special focus on the sulphidization process.
Get PriceOct 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 frothfloated with sodium isobutyl xanthate …
Get Price1993). The physical properties of copper oxide ores are such that the high production of fines (38 µm size fraction) is inevitable during the crushing and milling stages. The evaluation of the effects of fine copper oxide ore on the results of flotation performance is …
Get Priceoxide/hydroxides is always a dominant factor, although accumulation of activating metals ions, such as nickel and copper, on their surfaces are also critical as shown by XPS, IR spectroscopy, TOFSIMS and surface extraction studies by many researchers. A greater
Get PriceIn the concentration of copper ores by flotation, the major loss of unrecovered mineral in the tailings is caused by the ineffective floata bility and recovery of the oxide copper minerals. That the industry would benefit greatly, ifmore of the oxide minerals were recovered, is …
Get Pricetreats three distinct ore types; oxide, sulphide and mixed. The objective of this study was to investigate the floatability of a complex Kansanshi mixed copper ore comprising sulphide and oxide minerals with a view to achieving an optimal flotation performance in the treatment of the Kansanshi ore body. This required an indepth
Get PriceFlotation of Oxide Copper and Copper Cobalt Ores ... scale, is that the floatability of oxide copper minerals from natural ores depends largely on the mineralogy of the ore and the gangue composition. The floatability of oxide copper ... the oxide copper ores can be divided into the following five groups:
Get PriceHowever, most copper oxide ore have the problems such as high slime, poor floatability, complex ore property and low flotation recovery, Copper Mining and Extraction Sulfide Ores. changes some of the CuFeS2 to copper oxide. removes some of the sulfur as sulfur dioxide. This is done by heating the concentrated ore from froth flotation.
Get PriceCopper and molybdenum flotation process is commonly used for copper and molybdenum ore with pretty high grade, while it's rarely adopted in industrial production. In part combined flotation process, molybdenum with high floatability will be concentrated first, and then copper and molybdenum combined concentrate are concentrated together. ...
Get PriceThe objective of this study was to investigate the floatability of a complex Kansanshi mixed copper ore with a special focus on the sulphidisation process. Controlled potential sulphidisation (CPS) is preferred over slug sulphidisation as the industry standard for the flotation of oxide copper minerals.
Get PriceCopper oxide flotation using collector mixture of benzohydroxamic bundant reservesajority of sulphide deposits have oxidized zone on the top, and some oxidation deposits are oxidized to become the large and mediumsized oxidation deposits 1owever, most copper oxide ore have the problems such as high slime, poor floatability, complex.
Get Price:CorelVentura decreased the content of copper mobile forms. Nickel, except the ... natural heavy metal contents and soil and postfloatation sediment from zinc and lead.
Get PriceHowever, most copper oxide ore have the problems such as high slime, poor floatability, complex ore property and low flotation recovery, so it is of great significance in beneficiation of copper oxide ore to develop an efficient collector for copper oxide ore especially for malachite [24]. At present, sulfurationxanthate flotation is the most ...
Get PriceFloatability of copper and iron sulphides in the absence of lime can be explained by taking into account the composition of natural sulphides oxidation products (Abramov 1978). Early, it has been found that for iron sulphides it will be ferric hydroxide and for chalcopyrite the mixture of …
Get PriceA process of producing blue copper hydroxide, wherein copper metal is treated with an ammonium ioncontaining aqueous solution with stirring and with a simultaneous introduction of an oxygencontaining gas and the reaction product is separated from the copper metal. A particulate, floatable copper (II) hydroxide is produced in that a material which contains copper metal is treated at a ...
Get PriceCopper Cobalt Africa, ... These ions react with the copper oxide minerals to form a sulphide layer on the surface of the oxide minerals (Zhou Chander, 1992).The sulphidiser concentration can be controlled by ... of these oxyhydroxides was seen to lower floatability of normally floatable mineral species.
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