Anode Slime Copper Process Control

Optimized Leaching Conditions for Selenium from Sar ...

Optimized Leaching Conditions for Selenium from Sar-Cheshmeh Copper Anode Slimes Abdollahy, Mahmoud *+ Mineral Processing Group, Tarbiat Modarres University, P.O. Box 14115-143, Tehran, I.R. IRAN ... extracted as a by product in the copper production process.

Schematic Figure Of Copper Anodic Slime Refining

US4002544A Hydrometallurgical process for the recovery . A hydrometallurgical process for the recovery of silver, selenium and tellurium from the anode slime produced in the electrolytic refining of copper or lead or from other raw materials bearing these metals, wherein the raw material and concentrated sulfuric acid or oleum are heated at approx. 160났° C, preferably 160끈° C, in order ...

Existing OpEratiOn 2 - BHP

Copper anodes containing 99% copper and small amounts of gold and silver are transferred to the refinery where an electrorefining process is used to convert anode copper to London Metal Exchange (LME) A-grade cathode copper. and copper sulphate. A direct electric current (30,000 ampares) mother plate (cathode). The copper at the anode dissolves and

Anode Slimes | Konkola Copper Mines Plc

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.

Copper Ionization In Swimming Pools – What You Need To ...

Apr 28, 2016· Copper ionization in swimming pools is becoming a more and more commonly used technique that pool owners use to keep their pools clear. Why? Well, because it actually works and its more desirable than using large amounts of chemicals. Why Copper Ionization Is Used? Copper ions have the ability to kill off micro organisms.

METALS FURNACES, CONVERTERS, AND PROCESS …

are copper scrap, WEEE scrap of different qualities, especially printed circuit boards, dust, slag, lead production alloys containing precious metals, and anode slime from copper electrolysis. Depending on the purpose, different water-cooled lances are used for melting, oxidation, reduction, or flue dust feeding.

EP0020826A1 - A hydrometallurgical process for recovering ...

EP0020826A1 - A hydrometallurgical process for recovering precious metals from anode slime - Google Patents A hydrometallurgical process for recovering precious metals from anode slime …

TREATMENT OF WASTEWATER OBTAINED IN PROCESS FOR …

Anode slime, as the raw material for precious metals recovery, is formed as secondary product in electrolytical copper refining [1]. Disadvantages of pyrometallurgical process for recovery of precious metals from anode slime, used in RTB Bor, are low recoveries of precious metals and long retention the same in unfinished production.

Electrorefining Of Copper Process

Electrorefining Of Copper Process. 1872013 anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of coppert generally contains cu, ni, se, te, ag, au, platinum group metals pgm, pb, ba, fe, etcwing to the presence of valuable metals.

PROCESS FOR EXTRACTING NOBLE METALS FROM ANODE SLIME ...

May 25, 2017· 1. A process for extracting noble metals from anode slime, wherein the process comprises the steps of: mixing sodium carbonate, quartz and coke powder and impurity-removed anode slime, and subjecting the mixture to smelting and converting to obtain alloys of noble metals.

EXTRACTION OF GOLD, SILVER AND COPPER FROM THE …

Key-words: 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.

A Novel Process For Recovery Of Te And Se From Copper ...

A Novel Process For Recovery Of Te And Se From Copper Slimes Autoclave Leach Solution Shijie Wang, Brad Wesstrom and Jean Fernandez Phelps Dodge Mining Company El Paso Operations 850 Hawkins Blvd., El Paso, TX 79915 In pressure oxidation leaching of copper anode slimes, more than 65% of the tellurium is co-extracted during decopperizing.

An investigation of copper and selenium recovery from ...

An alternative method to recover copper and selenium from anode slime was designed. • The critical process parameters were investigated and optimized. • 2 L/min flow rate of oxygen was enough to achieve the maximum dissolution rates. • The maximum recovery of copper and selenium was found as 94% and 86%, respectively. •

Processing of copper electrorefining anode slime | Request PDF

Since anode slime is formed from the insoluble impurities of the anode in the electrolysis process, the composition of the slime depends on the composition of the copper anodes ( Schlesinger et al ...

Anode slimes treatment: The boliden experience | Scinapse ...

Apr 01, 2003· Due to the high standards for silver in electronic uses, it is essential to control the behavior of the main impurities such as copper or palladium during the electrolytic refining. In regard to palladium, it is indispensable to control its complete transition into the anode slime.

Electrorefining of Copper

Electrorefining of Copper 1. Electrorefining – General Introduction In an electrorefining process, the anode is the impure metal and the impurities must be lost during the passage of the metal from the anode to the cathode during electrolysis, i.e. the electrode reactions are, at the anode: M → Mn+ + ne-and at the cathode: Mn+ + ne-→ M

PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION …

Processing of copper anode-slimes for extraction of metal values 127 Forty-gram samples of the decopperised slime were leached with 1 dm3 of solution containing different amounts of acidified thiourea and ferric ion as oxidant.

Copper Refining Electrolyte and Slime Processing ...

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 metals (Mt) co-dissolved ...

PRESSURE LEACHING OF DECOPPERIZED COPPER …

The decopperized anode slime raw material used in this study was collected at the Boliden Harjavalta copper refinery from the filter press which is located immediately after the autoclave process. The solid samples were analyzed both before and after secondary pressure leaching to determine the amount of elemental extraction and

Copper Anode Slime Recovery-Copper-

The chloride leaching solution of lead anode slime is used to recover Cu/ Bi/Sb separately. As a conclusion, it is widely acknowledged that the anode slime is complex in content but of high value, and the tendency to utilize the anode slime is to shorten recovery process and production period, reduce circulating loss and increase recovery rate.

Anode slime behaviour in a laboratory‐scale copper ...

Combining conventional electrochemical measurements, laser‐based visualization and digital image processing, the movement of anode slime, its spatial distribution and path of falling during the copper electrorefining process were investigated in a laboratory scale cell. Two types of anode slime, small agglomerates and fine particles were ...

US4002544A - Hydrometallurgical process for the recovery ...

A hydrometallurgical process for the recovery of silver, selenium and tellurium from the anode slime produced in the electrolytic refining of copper or lead or from other raw materials bearing these metals, wherein the raw material and concentrated sulfuric acid or oleum are heated at approx. 160°-300° C, preferably 160°-200° C, in order to sulfate the nickel and the possible copper.

Furnaces for the copper industry - ANDRITZ

Maerz is a specialist for industrial furnace plants and one of the leading suppliers of engineering, know-how, and process technology to the steel and copper industry. ANDRITZ Maerz offers converter, melting and refining furnaces for primary and secondary copper production, as well as for the processing copper …

Copper Electrorefining Plant Design & Configuration-Copper-

Copper loaded cathodes are periodically stripped. The precious metal from copper anode reports to anode slime setting down to the cell bottom. As the electro-refining process going, electrolyte requires regular purification to remove impurities like As, Sb, Bi accumulated in the electrolyte, negatively influencing the cathode quality.

Steffen FULL from anode slime to dore part1.ppt

Anode slime (product from electrolytic refining of copper cathodes), is one of the most important source for precious metals production. At Aurubis anode slimes are treated in a modern Boliden top blown rotary converter (TBRC) process in two routes and fully controlled by XRF

Some Studies on Sulfuric Acid Leaching of Anode Slime with ...

The most effective hydrometallurgical processing of anode slime is based on a chlorination route. However, it requires special attention with respect to pollution problems and construction materials. To minimize the problems, a new hydrometallurgical approach was pursued for the recovery of valuable metals and metalloids from copper electrorefining anode slime.

Processing of Copper Anode-Slimes for Extraction of Metal ...

The hydrometallurgical processing of copper anode slimes has the advantages such as costs are relatively low when compared to those for a smelter, process may be applied to small and large ...

The treatment of copper refinery anode slimes | SpringerLink

W.C. Cooper, “A Review of Processes for the Treatment of Copper Refinery Anode Slimes with Particular Reference to Selenium Behaviour and Recovery,” final report on project no. 169/02/87, Energy, Mines and Resources Canada, CANMET, Ottawa, Canada K1A 0G1 (August 1989).

Electrowinning - Wikipedia

Electrowinning is the oldest industrial electrolytic process. The English chemist Humphry Davy obtained sodium metal in elemental form for the first time in 1807 by the electrolysis of molten sodium hydroxide.. Electrorefining of copper was first demonstrated experimentally by Maximilian, Duke of …

Russia: Watch silver CRYSTALS grow from copper waste at ...

Oct 21, 2016· The silver at Uralelectromed is produced from copper anode slime, which is a by-product in copper production. The technological process of transforming the slime …

A study of anodic slime behaviour in the electrorefining ...

The kinetics of anode slime formation and propagation were studied in a laboratory-scale copper electrorefining apparatus. Laser-based illumination and digital image processing of videotaped records of slime movement, combined with current/time monitoring and polarization experiments, provide quantitative information about the complex interaction between characteristic parameters of the copper ...

anode slime copper process control

Recent operation and environmental control in the Kennecott Smelter. Copper anodes are processed in a modernized copper refinery using the Kidd Process while anode slimes are processed for precious metals recovery using a ... converting technology to minimize emissions, impurity control …