The cost advantage of processing quenched slags results from elimination of the slow-cooling and crushing operations inherent in the treatment of slow-cooled slags. (2) Flotation of slow-cooled slag yields a slightly higher copper recovery and a lower copper tailing. (3) Quenched slags are more difficult to grind than slow-cooled slag.
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flotation of pgm converter slag MC Machinery,copper slag flotation plant Copper Flotation Plant Overview copper slag flotation plant YouTube 04062019 2012 laboratory test works and plant trials for milling and flotation of slow cooled copper slag in ttflotation of pgm converter slag copper slag washing plant copper slag iron ores reverseAs a leading global manufacturer of crushing
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Xstrata needed to improve copper recovery and called on Orica to identify and test collectors. Orica formulated a collector that would enhance milling and flotation of slow cooled copper slag. Ultimately, the process needed to achieve superior recovery of copper at a natural pH over a specific grind fineness. Xstrata’s key requirements were to:
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Flotation tailings of copper slag may contain copper as well as significant amount of cobalt and other metals. Some researchers studied the extraction of metals from flotation tailings of copper
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Milling and froth flotation methods are quite common when dealing with slow-cooled slags. Before flotation, the slag needs to be cooled in a controlled manner. There are multiple options for this, such as natural cooling, casting mill cooling, water quenching, and slow cooling in a ladle .
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milling and flotation of slow cooled copper slag The slag from the furnaces is a waste product that is sent to the slag dump The converter matte is slow-cooled to produce a coarse crystalline structure Bessemer matte This is crushed, ground and separated into metallics, nickel sulphides and copper sulphides by magnetic separation and flotation
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copper grade of 16,11% and copper recovery of 69,90% was achieved. The copper grade on tailings was only 0,2%. Another aspect that can affect both the milling and flotation of CS is the cooling behavior of the slag. Several researchers have reported that slow cooling of the slag can lead to an improvement in copper recovery because of the
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copper flotation plant overview
Thus, the downside was that the fraction recovered from the slag after controlled cooling, milling, and froth flotation with a high yield of copper and its impurities (As, Sb, and Pb) was fed back to the smelting cycle where it constantly increased the impurity amounts together with the flue dust circulation from the off-gas train.
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°C) with 2–3 wt% Cu remaining in the smelting slag. At present, the recovery of copper from slag is processed by slow cooling, milling and flotation at Fangyuan. Bottom blown oxygen copper smelting technology has demonstrated great potential and will be transferred to other plants around the World.
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Thus, the downside was that the fraction recovered from the slag after controlled cooling, milling, and froth flotation with a high yield of copper and its impurities (As, Sb, and Pb) was fed back to the smelting cycle where it constantly increased the impurity amounts together with the flue dust circulation from the off-gas train.
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Laboratory Test Works and Plant Trials for Milling and Flotation of Slow Cooled Copper Slag 471 P. Tan An Experimental Study of Chemical Oxygen Demand Removal from the Coking Wastewater Using Three-Dimensional Electrode Reactor 479 L. Zhang, G. Xue, andJ. Hwang Behavior of Various Impurities during the Precipitation of Hematite from Ferric
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Recovery of copper from copper slag by physical beneficiation using froth flotation was studied by Sarrafi et al. (2004). They used mercaptobenzothiazole (MBT) collector to recover the copper from the ground copper slag and indicated that a slow-cooled slag would be more favorable for better copper recovery.
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copper flotation plant overview
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Copper Slag
» milling and flotation of slow cooled copper slag. » copper concentrate flotation process equipment. » copper smelting process slag beneficiation.Manual Crushing and Grinding Methods:Gold Stamp mill and Rod
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The cost advantage of processing quenched slags results from elimination of the slow-cooling and crushing operations inherent in the treatment of slow-cooled slags. (2) Flotation of slow-cooled slag yields a slightly higher copper recovery and a lower copper tailing. (3) Quenched slags are more difficult to grind than slow-cooled slag.
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droplets [6] into account, conventional slag cleaning techniques [7], such as slow cooling of the slag followed by milling and flotation [8], already cannot efficiently recover valuable metals lost in slags [9, 10]. These problems have been studied by some investigators[2, 4, 7, 11 -14]. The research results [15 ]
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Slags are sometimes treated by slow cooling, milling, and flotation. This approach is satisfactory when the metals in the slag are in either the sulphide or metallic form, but is not suitable for the recovery of oxidized metals.
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Laboratory flotation tests of slow cooled converter slag have showed that 92.5% copper recovery at the copper cut-off grade of 24-25% can be achieved by using a 50:50 ratio of DSP330 and SIBX
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copper flotation plant overview
collected. Other conventional recovery techniques, such as slow cooling of the slag, followed by milling and flotation, are also inappropriate for the recovery of oxidized metals dissolved in slag. Conditions need to be sufficiently reducing to recover a significant fraction of the cobalt present. These conditions can be
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» milling and flotation of slow cooled copper slag. » copper concentrate flotation process equipment. » copper smelting process slag beneficiation.Manual Crushing and Grinding Methods:Gold Stamp mill and Rod
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Shijie Wang, Rio Tinto Kennecott Utah Copper Refinery. John E. Dutrizac, CANMET. Michael L. Free, University of Utah. James Y. Hwang, Michigan Technical University. Daniel Kim, Rio Tinto Kennecott Utah Copper Refinery
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Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along with preliminary flotation tests. This article focuses on industrial flotation, which consisted of two oneyear campaigns (2016 and 2017).
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Thus, the downside was that the fraction recovered from the slag after controlled cooling, milling, and froth flotation with a high yield of copper and its impurities (As, Sb, and Pb) was fed back to the smelting cycle where it constantly increased the impurity amounts together with the flue dust circulation from the off-gas train.
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Recovery of copper from copper slag by physical beneficiation using froth flotation was studied by Sarrafi et al. (2004). They used mercaptobenzothiazole (MBT) collector to recover the copper from the ground copper slag and indicated that a slow-cooled slag would be more favorable for better copper recovery.
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copper flotation plant overview
Thus, the downside was that the fraction recovered from the slag after controlled cooling, milling, and froth flotation with a high yield of copper and its impurities (As, Sb, and Pb) was fed back to the smelting cycle where it constantly increased the impurity amounts together with the flue dust circulation from the off-gas train.
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The smelter objective is to process wet concentrate to produce crushed, slow-cooled, sulphur-deficient nickel-copper matte rich in platinum group metals, gangue from the converter, while a slag milling and flotation circuit treats the slag from the electric furnaces.
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Copper Slag Milling And Flotation Process. Copper ore milling process copper slag milling and flotation slow cooling of copper smelting slags for it is to be noted that with ladle cooled slag, milling and flotation yielded chat now copper slag mill supplier in south africa.
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In terms of copper recovery, it is thus quite important how the copper slag has been processed and cooled post the smelting or converting furnace, EF and prior to the milling and flotation step. Far less important, in this respect, is the actual smelting and converting technology upstream of the slag cleaning step.
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The loss of matte to flotation tailings late in 1999 was mainly due to its being locked in silicate or surrounded by an oxidized rim. Recent examination also shows the presence of oversized free matte particles in the tailings— these may not have floated due to their mass. Slow cooled slag samples Pot and spoon samples of furnace slag were
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