• PT Freeport Indonesia

    PT Freeport Indonesia. The ore mill processes ore from the mine by means of the following main concentrator areas: North/South Concentrators, Concentrator #3, and Concentrator #4. Processing design capacity (nameplate capacity) is described in brief (in .

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  • Glencore Technology: New and optimised concentrator design

     · "The whole flotation circuit will be half the footprint of conventional technology and will need about half the energy," Stieper points out, noting that the 19 Jameson Cells within the optimised concentrator, replace 63 conventional tank cells, while three M20,000 IsaMill with .

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  • Learning from the past

    flotation operator at the Kennecott plant in Utah, US, in 1944 Far right: advertisement showing the Sierrita flotation plant in 1970 Michael Nelson, Amy Richins and Dariusz Lelinski look at energy consumption in copper concentrators from the 1970s to the present Table 1: 1970s copper concentrator operations Unit operation No. of installations

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  • Copper Processing | Equipment, Process Flow, Cases

     · According to the metallurgy process, the copper ore is divided into three natural types by the ratio of copper oxide and copper sulfide. That is, sulfide ore, containing less than 10% copper oxide; oxidized ore, containing more than 30% copper oxide; mixed ore, containing 10% to 30% of copper oxide. Copper sulfide ore flotation

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  • Which of the following ores is concentrated by the froth ...

     · Answer: The third one down on the left. You can write that down and take your chances, or you can do your own homework. In any case, you're missing some fundamental things you'd have to include in your question if you wanted a useful answer. Not that I'd give one, mind you, but in .

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  • copper Ore concentrator Flotation Roughers

    copper ore concentrator flotation roughers. flotation copper concentrator plant flotation concentrator and roaster resources. this feed is then further refined at the usoke plant to produce copper hodes and cobalt salt. the lom plan shows that within a few years, layers of mixed and then sulphide ore will be reached. using pyro

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  • Flotation Improvements at Lac Des Iles Concentrator

    ore mineraloGY Host rock mineralogy is dominated by silies (Figure 1). Feldspars, amphiboles and chlorite constitute more than 75% of the ore. Pyroxene, a major constituent of the South African PGM ores, is relatively uncommon at Lac des Iles. Much of it is altered to talc. The talc content in the Lac des Iles ore varies between 2 and 4 percent.

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  • SIMILKAMEEN MINING COMPANY LIMIT

    The Concentrator, designed to treat 15,000 tons per day, operates 24 hours per day, 7 days per week. It is fully automated and requires only 4 men to operate per shift. Ore is dumped from 100ton rear dump trucks into a 54" x 74" All is Chalmers gyratory crusher where it is .

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  • Ernest Henry operation

    Copper and gold are recovered from the ore using traditional grinding and flotation methods in the concentrator. The plant has a current processing rate of ~ ( capacity and scalable to ~11Mtpa). The concentrator incorporates grinding (four mills), conventional flotation and dewatering. A single coppergoldsilver concentrate is

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  • Flotation cells: Selecting the correct concentrate launder ...

     · Flotation cells: Selecting the correct concentrate launder design. The selection of the size, number and type of flotation cells for a particular duty depends on two important factors. These are the required flotation residence time and the physical constraints of how much concentrate can be recovered for a given froth surface area and ...

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  • Back to basics – a practical approach to troubleshooting ...

    2 Copper Concentrator, Mount Isa Mines, Mt Isa, QLD 4825 Email addresses:, Keywords: minerals, liberation, flotation, recovery Abstract Like many operations, the Mt Isa Copper Concentrator occasionally has operational periods when it is difficult to achieve target grade and/or recovery, often due to feed ore type changes. At times like .

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  • Reagent Optimization across a UG2 Plant

    depressant must be reduced in the roughers and cleaners respectively. This report presents results and some practical considerations that must be taken into account to optimise reagent usage. reagent regime and addition system can provide . Keywords — collectors, depressants, frothers, flotation, hot float, recovery . I. I. NTRODUCTION . I. n order to extract the pure metals from the rock ...

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  • Estimated Water Requirements for the Conventional ...

    Flotation of Copper Ores . By Donald I. Bleiwas . Introduction . This report provides a perspective on the amount of water used by a conventional copper flotation plant, including the makeup water required to compensate for water losses. Much of the global supply of copper originates from mines that also produce byproduct molybdenum, but for simplicity, a single copper concentrate has been ...

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  • EFFECTS OF REROUTING OF CONCENTRATE STREAMS IN THE ...

    values in ores and concentrates are usually determined by fire assay analysis [8]. In this research, the rerouting of the concentrate streams of an industrial scale mineral flotation plant that treats the PGMs bearing LG6 ore was carrired out to study the effects on the recovery and grade of the concentrates obtained. 2. Materials and Methods

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  • The Effects of Water Recycling on Flotation at a North ...

    Laboratory flotation tests were done using process water and thickener overflow obtained from a concentrator in April 2019, June 2019 and August 2019. The nickel + copper grade in the primary rougher concentrate decreased when thickener overflow stream obtained in April 2019, June 2019 and August 2019 was used. The impliion is that a ...

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  • Developing a Bulk Circuit Suitable for Chalcopyrite Pyrite ...

    A simpler flotation circuit with lower operating and capital costs for treatment of such coppergoldpyrite ores with an elevated pyrite head assay was sought in this work. After characterizing the ore, the objective was to apply bulk rougher flotation of both the copper minerals and pyrite for the coppergoldpyrite ore at natural pH.

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  • Operation

    Operation. As one of the largest copper producers in the United States, Rio Tinto Kennecott comprises approximately 11 percent of annual copper production. The Bingham Canyon Mine is one of the top producing copper mines in the world with production at more than 20 million tons. The Bingham Canyon Mine is the largest manmade excavation on ...

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  • Ernest Henry operation

    FLOTATION SECTION ROUGHERS REGRIND SECTION REGRIND HYDROCYCLONE VERTIMILL ISAMILL CLEANER 1 CLEANER 2 CLEANER 3 DEWATERING SECTION TAILINGS DAM TAILINGS THICKENER CONCENTRATE THICKENER CONCENTRATE STOCKPILE PRESSURE FILTER Process flowsheet Copper and gold are recovered from the ore using traditional grinding and .

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  • Flotation data for the design of process plants Part 2 ...

    Dunne et al. Flotation data for the design of process plants: Part 2 206 Mineral Processing and Extractive Metallurgy (Trans. Inst. Min. Metall. C)2010 VOL 119 NO 4 Published by Maney Publishing (c) IOM Communiions Ltd and the Australasian Institute of Mining and Metallurgy price resulted in closure of the tin mine that paralleledthe development of Hellyer.

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  • Tracking comminution energy and optimising grind size for ...

    In flotation, recovery of the valuable mineral generally falls in the coarser particle size ranges (Figure 1 ... Figure 1: Recovery by size for a copper concentrator in Queensland ... and ore responses. Concentrator personnel should track the drivers of specific energy and profitability in a concentrator to ensure that overall ...

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  • How to Process Copper Ore: Beneficiation Methods and ...

     · Copper sulfide can be divided into single copper ore, copper sulfur ore, coppermolybdenum deposit, copper nickel, carrollite and so on. Basically, only flotation can be considered in its separation. Almost all copper sulphide ores contain ironbearing sulfides, so in a sense, the flotation of copper sulfide is essentially the separation of copper sulfide from iron sulfide.

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  • Primary Copper Smelting

    float to the surface and are removed in a of air bubbles, while others sink and are reprocessed. Pine oils, cresylic acid, and longchain alcohols are used for the flotation of copper ores. The flotation concentrates are then dewatered by clarifiion and filtration, resulting in 10 to 15 percent water, 25 percent sulfur, 25 percent iron ...

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  • Back to basics – a practical approach to troubleshooting ...

    Keywords: minerals, liberation, flotation, recovery Abstract Like many operations, the Mt Isa Copper Concentrator occasionally has operational periods when it is difficult to achieve target grade and/or recovery, often due to feed ore type changes. At times like these it is useful for metallurgists to have a suite of tools that they can use to

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