Molybdenum metals processing plant. The Climax Technology Center is a state-of-the-art metals processing plant located about 16 miles from the company’s Sierrita mine in southern Arizona. The facility uses the most advanced technologies available for the production of high-purity molybdenum metal powders and pellets used for various applications.
During the electrolysis process pure copper is deposited on cathode plates and impurities which are soluble fall to the bottom of the cell as anode slimes or sludge. Precious metals (Ag, Pt, Pd), can be extracted from the anode sludge created by the electro-refining process. Copper concentrates can also contain precious metals like gold and silver.Get Price
Sep 01, 2020 Copper anode slimes are usually composed of copper, nickel, selenium, tellurium, silver, gold, and trace platinum group metals, in which the Te content is normally in the range of 1–4 wt%, and in some cases it could reach as high as 8–9 wt% (Moats et al., 2007). The anode slimes generated from electrolytic copper refineries need to be ...Get Price
Copper electro-refining (Cu-ER) is the principal method for producing 70% of high or 99.97% pure copper cathodes from 97-99% pure blister/fire refined-scrap copper anodes. While the inert and most of less soluble impurities settle as anode slime/sludge, other soluble impurities, particularly the metalloids (group VA/15 elements or Q: As, Sb and Bi) and some transition …Get Price
Nov 01, 2020 Because of the addition of copper sludge, copper cables, waste printed circuit boards, and other types of recycled copper to the copper smelting process, the anode slime is rich in tin (Sn), manganese (Mn), arsenic (As), lead (Pb), and other heavy metals, causes the composition of anode slime to fluctuate greatly (Li et al., 2020; Markovic et ...Get Price
Jan 01, 2019 Anode slime settling is affected by electrolyte composition and temperature, electrolyte circulation, and the sizes and density of the slime particles and agglomerates. Typically, the industrial copper electrolytes contain 40–60 g/dm3 Cu2+, 130–220 g/dm3 H2SO4, 0.04–25 g/dm3 Ni2+, 0.005–30 g/dm3 As, and have operating temperature of 55 ...Get Price
May 12, 2017 A process comprising incineration, caustic leaching to remove aluminum, smelting with a siliceous slag, and electrolysis recovered 99.9 percent-pure copper metal and anode slimes assaying more than 7,000 ounces per ton of combined precious metals.Get Price
The refined blister copper is poured into casting molds lined up side by side on the revolving circular table of a casting wheel and cast into anode plates for electrolytic refining. The anode plates are approximately 1m x 1m x 0.05m in size, and weigh 380 kg per plate.Get Price
Feb 13, 2019 the Recovery of Noble Metals from Anode Slimes, Mineral Processing and Extractive Metallurgy. Review, DOI: 10.1080/08827508.2019.1575211 ... Copper anode slimes 1 ... The Kovoguty Krompakhi Plant ...Get Price
Feb 26, 1991 A two-stage process for treating anode slimes and other residues containing a substantial amount of nickel without significant dissolution of silver and/or selenium in a single autoclave is disclosed. The process comprises, in a first stage, leaching the anode slimes at 15-30% solids in dilute sulphuric acid at a pressure between 4.0 and 5.5 bars and a temperature …Get Price
tellurium, recovering tellurium from copper anode slimes and from residues generated during the lead, nickel, precious metals, and zinc smelting processes. In late 2019, the Yunnan Provincial government in China announced an auction of 170 tons of tellurium from the defunct Fanya Metal Exchange with a starting price of $43 per kilogramGet Price
There are numerous viable approaches to the treatment of anode slimes from electrolytic copper refining. Of particular interest in the treatment of slimes are the behavior and recovery of selenium. The understanding of the process chemistry involved in the treatment of anode slimes should be aided considerably by recent work on the formation and characterization of slimes. …Get Price
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S elenium and t ellurium228 Кб. Copper anode slimes are a byproduct of the electrolytic refining process. An estimated 41,000 wet metric tons (t) of copper anode slimes is generated annually, with about 17% of these being produced at refineries without equipment for processing them.Get Price
Copper Anode Slime. Anode slime is a byproduct of copper or lead electro-refining process and found in electrolytic cell bottom or on the anode scrap surface. The copper anode slime and lead anode slime usually contain precious metals like gold and silver. Depending on the treatment capacity, process of anode slime recovery is achieved by two ...Get Price
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