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    The Kansanshi mine, the largest copper mine in Africa, is owned and operated by Kansanshi Mining PLC which is 80% owned by a First Quantum subsidiary. The remaining 20% is owned by a subsidiary of ZCCM. The mine is located approximately 10 kilometres north of the town of Solwezi and 180 kilometres to the northwest of the Copperbelt town of ...

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    Pressure leaching, high pressure leaching and pressure oxidation are conducted in an autoclave at carefully controlled temperatures and pressures. These technologies involve a large capital investment and higher operating costs, but yield high recovery rates from difficult, complex or refractory ores. Advantages and limitations include:

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  • Copper Standards - ASTM International

    These copper standards are helpful in guiding metallurgical laboratories and refineries, product manufacturers, and other end-users of copper and its alloys in their proper processing and application procedures to ensure their quality towards safe use. List of copper standards developed by ASTM:

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    David Duckworth of consulting company Saint Barbara notes that “the issue of high-arsenic (high-As) copper concentrates has been highlighted recently with the start-up of a number of new projects producing this material. “Copper concentrates can be divided into clean or complex types,” he writes in the company’s latest newsletter.

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    Only six of the top 20 producers are primary silver miners. The polymetallic ore deposits from which silver are recovered account for more than two-thirds of the world's silver resources.

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    High pressure pumps that run slowly and are especially robust are a big help when conveying abrasive ore slurry in mining applications. The hydraulic diaphragm pumps from the ABEL HM pump series meet the requirements of these challenging tasks in mines throughout the world. They also have a …

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  • VALVE SELECTION GUIDE FOR THE MINING INDUSTRY

    customers in the mining industry to provide the newest innovations in gate, plug, butterfly, check, air, and rotary control valves. An ANSI Pressure Class Severe Service Knife Gate valve in a slurry concentrate pump suction application. Full-Featured Valves for Today’s Mines Valve designs include features for …

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  • The Mining Process - newmont

    High-pressure spraying of Shotcrete (a mortar/concrete mix) onto the tunnels’ walls and backs provides more support. As we complete mining in each stope, we backfill it with a cement mixture as well. Underground mines pose a greater safety risk and limit the size of equipment that can be used; however, they cause less environmental disturbance.

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  • Ball Valves | High Pressure Company

    High Pressure Equipment offers two styles of ball valves (free floating and trunion) to provide effective shut-off of liquid or gas flow. Two-way ball valves offer complete shut-off with a convenient 1/4 turn.

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    Press-Connect Joints for HVACR Applications Advances in press-connect and O-ring/gasket material technology are now such that press-connect joining is being utilized for high pressure HVACR applications rated up to 700 psi operating pressure (see Table 14.4b).

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