Copper oxide ore is an important copper ore resource. For a certain copper oxide ore in Yunnan, China, experiments have been conducted on the grinding fineness, collector dosage, sodium sulfide dosage, inhibitor dosage, and activator dosage. The results showed that, by controlling the above conditions, better sulfide flotation indices of copper oxide ore are obtained.In another embodiment of the present invention, an alkaline conditioned ore containing copper sulfide and oxidized copper sulfide minerals is treated prior to flotation by adding a collector or mixture of collectors, optionally a frother or mixture of frothers, and a surface modifying agent such that the platinum electrode potential of the ore.
Dec 01, 2016 A copper sulphide ore was artificially oxidised to various lengths of time. • Grinding-flotation tests using different grinding media alloys were completed. • The results reveal that as oxidation progressed the copper metallurgy deteriorated. • The right grinding chemistry mitigated the negative impacts of ore oxidation.Concentrate from oxidized copper ores of the Kalmakyr deposit. Many researchers believe that froth flotation of oxidized copper ores is a complex process, and it first needs a sulfidization step. The object of research oxidized copper ores in the dumps of the Kalmakyr deposit. Results and their discussion flotation studies were carried out with.
Oct 4, 2017 The flotation of copper ore is a complex technological process that depends and analysis of beneficiation process of sandstone copper ore Mine EngineerCom provides mining, gold, copper, coal, mineral There are two distinct types of copper ore, the sulfide ore and the oxide ore The sulfide ores are beneficiated in flotation .Oxidized copper ore and different structures of copper ore have been carried out by many researchers using various flotation conditions. Oxidized copper ores are found in many places in the world. Formation of this type of ore occurs in the same locations as other copper ores.
Earlier attempts to process the oxidized PGM ores by conventional flotation methods achieved poor recoveries (typically less than 50 ). floatability of a complex Kansanshi mixed copper ore.Promoter for oxidized base metal ores. Also used for flotation of vanadium and auriferous pyrite ores. Reagent 425 A yellow to greenish yellow hydroscopic powder. 5 solution .2 to .5 Developed primarily for flotation of oxidized copper ores. Promoterfor malachite and azurite without sulphidization. Reagent 444 A yellow water soluble powder.
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic,which is suitable for lead-zinc ore.But the flotation of oxidized lead-zinc ore is a difficult one. In the treatment of lead-zinc oxide ore, it is complicated to choose flotation reagent and process flow.Has triggered interest in exploration of techniques for PGM recovery from near surface oxidised PGM ores. All earlier attempts to process the oxidised PGM ores by conventional flotation methods achieved poor recoveries (typically less than 50 ) hindering the commercial exploitation of these resources.
Recovery 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.Oxidized copper ores has not been attended with the Barne success. Some earlier practice is briefly discussed. A semi-oxidizedore was treated at Kennecott(l) by a combination method including gravity concen-tration, ammonia leaching, and flotation. Sodium sulphide, calcium poly-sulphide, coal-tar creosote, and steam-distilledpine oil were the.
The effect of pulp chemistry on oxidised copper sulphide minerals and copper oxide minerals were first studied separately before examining a mixed system. The work completed on the oxidised sulphide mineral revealed that grinding pulp chemistry affects the flotation performance of the ore for each oxidation degree tested. For the.The flotation of oxidized minerals is mostly carried out by a vulcanization process. Because of the high flotation speed of oxidized ore after sulfidation, concentrate products are directly produced in the first 1-2 tank of the first roughing.
The use of flotation conditioners process can increase the selectivity of the flotation process, enhance the effect of the collectors, and improve the conditions of the ore pulp. 1. Sulfurizing Reagent. Oxidized ore is generally formed by ionic bonding, and is highly hydrophilic. It is not easy to float oxidized ore with xanthate collector.Sep 27, 2019 Under normal circumstances, copper oxide ore mostly has high oxidation rate, large mud content, high combined copper content, uneven grain intercalation, mixed oxygen and sulfur, coarse and fine mixing, coexistence of various minerals, etc. Copper ore contains low copper, which determines the difficulty of copper oxide ore beneficiation.
Ores that contain impurities that result in high consumption of cyanide, which have to be removed before cyanidation. 4. The flotation method is a technique widely used for the recovery of gold from gold-containing copper ores, base metal ores, copper nickel ores, platinum group ores and many other ores where other processes are not applicable.For refractory oxidised copper ores of Huidong Sichuan province, studing the different depressants on the influence of oxidised copper ores flotation behavior. The results showed that the depressanting effect of the combination of sodium hexametaphosphate primarily is better. When the dosage of the combination of sodium hexametaphosphate and sodium humate reagent is 300 g t, ratio is 2 1,the.
Copper and sulfur in copper ore have strong collection properties, which is also conducive to improving the recovery of associated gold in copper sulphide ores. The flotation effect of refractory copper-sulfur ore containing secondary copper minerals is better than that with butyl xanthate, but its selectivity is.In some instances the ore recovered from near surface has been altered by weathering and oxidation and if the ore is treated by flotation instead of being left in situ, stockpiled or discarded, then very poor flotation recoveries are achieved.Although few descriptions of the effect of alteration and oxidation on the mineralogy of ores from the.
Dec 22, 2020 Copper ore flotation process Copper is the main valuable recyclable element in ore, and its content is 0.77 . Copper ore contains lightly oxidized sulfide ore, and the copper in the ore is mainly in copper sulfide minerals. For copper ore, there is 0.45 of primary copper sulfide, accounting for 60.57 of the total copper secondary copper.Green copper ore is one of the typical oxidized copper ore and it usually contains malachite and chrysocolla. Generally, copper carbonate minerals are recovered by sulfidizing flotation with xanthate type collector, however, copper silicate minerals are not separated efficiently by flotation.
Mar 19, 2017 The problem of the flotation of oxidized copper ores has not yet been solved. One or two special processes are in operation for the flotation of malachite and azurite, but none of them has than a limited application nor has any method been worked out on a large scale for the bulk flotation of mixed oxidized and sulphide copper minerals.In this study, the flotation of oxidized copper ore obtained from Ergani Copper Mining Company in Turkey was performed. This ore contains 2.03 copper, 0.15 cobalt and 3.73 sulfur. An effective processing method has not been found to recover copper and cobalt from this ore, which has been stockpiled for 40-45 years in the idled plant. It was established that recovery of copper and cobalt.