Copper Copper/Gold/Silver Molybdenum Major Mine Operations Development Projects All major assets majoritycontrolled and operated Reserves Cu billion lbs Mo billion lbs Production Cu billion lbs Mo 77 million lbs North America1 Note: FCX consolidated reserves and annual production; Reserves as of December 31, 2007.
Keywords: Electrorefine, anode slime, copper. Abstract Copper sulphides Concentrates, from the flotation process of copper primary ore; contain, commonly, small amounts of precious metals, such as gold and silver. During the smelting process of those concentrate all gold and silver are practically in the blister copper, which is cast into anodes.
Hydrometallurgy is the most suitable extractive technique for the extraction and purification of manganese as compared to all other techniques including biometallurgy and pyrometallurgical processes. In the hydrometallurgical processing of manganese from its ore, the leach liquors often contain divalent ions such as iron, manganese, copper, nickel, cobalt and zinc along with other .
In all the hydrometallurgical processing of nickel ore process [...] takes into account the distribution aspect of the allocation of precious metals in the desired products in the blade.
Hydromet Technology. The process will also yield more of the valuable cobalt which is lost to a great extent in the smelting process. This type of hydrometallurgical process is not entirely new. Many operations, some of them in Canada, have used hydrometallurgical processes for years for extraction of zinc and copper from sulphide concentrates.
The present work has been developed in the aim of the project VALMETAIS and proposes a hydrometallurgical process for copper recovery from galvanic sludges produced by Ni/Cr plating plants. This procedure has been developed on laboratory scale and is based on leaching of sludges in sulphuric acid solution followed by copper cementation step, using iron scrap as a precipitating agent.
hydrometallurgical methods to process the copperanode slimes for extraction of copper. The decopperized slimes are then enriched in lead, tin, and silver. Many hydrometallurgical processes were reported for extraction of noble metals, among them, cyanide (Hoffmann, 1991; McClincy, 1990) and thiourea leaching (Schulze, 1984).
Research Areas. Today the department undertakes fundamental and applied research in all areas related to hydrometallurgy. Recent hydrometallurgical process developments include the Anglo American/UBC, the GalvanoxTM and the Jetti processes for copper leaching. The PLATSOL (base and precious metal extraction) and Sepon processes...
Development Hydrometallurgy is vigorously competing with old of the hydrometallurgical electrowinning zinc pyrometallurgical techniques, and in some cases it has process at Trail and Anaconda. The recovery displaced such processes.
Hydrometallurgical process for extraction of metals from electronic waste, part II: development of the obtained. By applying the same experimental conditions for gold processes for the recovery of copper from printed circuit boards (PCB). recovery from pretreated WPCBs, the highest gold extraction was MetalurgijaMJoM 17, 139–149.
desulfated copper converter flue dust into a metal phase, by carbothermal reduction in a soda ash smelt. Hydrometallurgical treatment of flue dust is actually caustic leaching and it aims to remove the sulfate sulfur. The desulfation degree of the converter flue dust, using 35 g NaOH per 100 g dust, is 80 % and the total impurities concentra
> Copper Hydrometallurgical Pilot Plant Core recently carried out an oxidative leach pilot plant to demonstrate copper recovery from a low grade chalcopyrite concentrate. The project investigated hydrometallurgical options for recovery of copper in flotation tailings, that would be sent to the tailings dam from a copper processing circuit.
The leachate collection vessel is designed and connected to the soil matrix vessel in such a manner that the collected leachate is observable and removable at the ground level, thus eliminating necessity of digging a trench to view or HYDROMETALLURGICAL PROCESSING OF IMPURITY STREAMS GENERATED DURING THE PYROMETALLURGY OF COPPER Gabb Philip J; Evans J Philip Salt Lake City, .
Three hydrometallurgical process options for recycling of copper and precious metals from waste PCBs are proposed and optimized: the use of selective leachants for recovery of high purity metals (fluoroboric acid, ammoniaammonium salt solution), conventional leachants (sulphuric acid, chloride, cyanide) and ecofriendly leachants (formic acid, potassium persulphate).
Not only do our nickel processing solutions help you achieve primary end products such as nickel briquettes and cathodes, but we can also recover valuable byproducts such as copper, cobalt and sulfuric acid. Outotec Hydrometallurgical Equipment: • Outotec OKTOP® Reactors for atmospheric and pressure leaching • Outotec® Thickeners
An electrometallurgical process is the final step in refined copper production regardless of ore type. The particular electrometallurgical process used depends on the
Apr 22, 1975· A hydrometallurgical process for the recovery of metallic copper from chalcopyrite and other coppercontaining materials by ferric chloride oxidation thereof to produce cupric chloride, reduction of the cupric chloride to cuprous chloride, recovery of metallic copper, preferably by electrolysis, and regeneration of ferric chloride by oxidation with concurrent purge of iron, and sulfate .
Core's knowledge of metal solution chemistry ensures that our process engineers and analytical chemists unlock an understanding of the steadystate chemistry achieved in pilot plants. Our process engineers work hard to identify the effects of impurity build up with recirculation and address their implications during the execution of pilot plants.
Copper recovery by L/SX/EX in 1968. In 1968 there were only two widely practiced copper leaching processes using dilute sulphuric acid. The first process, vat leaching of highgrade copper oxide ore followed by EW of copper from the leach solution, produced low quality copper cathode at .