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(PDF) Extraction of copper and gold from anode slime of ...

EPR3 for recovery of tellurium from devices and autoclave slime. Normally an effluent from copper and tellurium production, autoclave slime is a potential source for tellurium recovery using bacteria. To evaluate EPR3's interaction with the slime, a similar set of experiments to metallic tellurium and tellurium dioxide were performed.

cost of copper electrorefining anode slime processing

copper electrorefining process anode slime Construction Waste Crusher Construction waste refers to the construction, construction units or individuals to construct, lay or demolish all kinds of buildings, structures and pipe networks, etc., and generate the spoil, spoil, waste, residual mud and other wastes generated during the repairing process.

Bacterial recovery and recycling of tellurium from ...

Abstract: A method of increasing the extraction of tellurium from copper electrorefining slime comprises leaching the slime with dilute sulphuric acid in a reactor under a partial oxygen pressure of up to 150 psi and at an elevated temperature between about 100.degree. and 200.degree. C. until copper, nickel and substantially all of the ...

tellurium extraction from copper electrorefining slimes ...

Tellurium can be recovered from leach solutions of copper refinery slimes by precipitation as copper telluride: Te(OH)6 + 5Cu + 3H2SO4 = Cu2Te + CuSO4 + 6H2O The kinetics of this reaction were ...

EPA1 - Improved method of tellurium separation from ...

Aug 17, 1999· The present invention is directed to the substantially selective extraction of tellurium from tellurium-containing materials, and more particularly copper electrorefining slimes. Conventionally, a slurry of the shines is prepared in diluted sulphuric acid, and leached in an autoclave to extract certain metal values, including silver and tellurium.

EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND …

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.

USA - Method of tellurium separation from copper ...

Tellurium Extraction From Copper Electrorefining Slimes Patent Us. Crushers used in iron ore mining crushers used in iron ore mining equipment list for mining 30 ton per hour processing of copper electrorefining anode slime improved estimates for te and se availability from cu extraction of copper and gold from anode slime of effect of tellerium in cu electrorefining gold recovery from copper ...

Slime From Copper Electrorefining Process

The present invention is concerned with a method for the substantially selective extraction of tellurium from copper electrorefining slimes. The method comprises maintaining a molar ratio Ag/Se, Ag/S or Ag/Se+S at a value of about 2 or less in the slimes during leaching thereof in an autoclave. The excess of selenium and/or sulphur allows the formation of Ag 2 Se or Ag 2 S, which remains ...

Detellurization Process of Copper Anodic Slimes Leach ...

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 ...

Dissolution of copper and nickel from nickel-rich anode ...

Anode slime is a byproduct of copper electrorefining process. It contains copper, lead, gold, silver, selenium, tellurium, arsenic, nickel, platinum, silica and other elements. In processing anode slime, extraction of precious metals becomes the main object, especially gold, silver, selenium, tellurium, and platinum. At the ...

Tellurium Extraction From Copper Electrorefining Slimes ...

Oct 01, 2015· 1. Introduction. Copper anode slimes are the by-products in copper electrorefining which are periodically collected from the deposition cells and processed for the recovery of metal values such as Cu, Ni, Pb, Sb, Sn, Se, Te, Au, Ag and Pt (Liu et al., 2014).Some pretreatment technologies such as sulfation roasting-leaching, oxidative sulfuric acid leaching and chlorination leaching are ...

Recovering selenium and tellurium from copper refinery slimes

A new method was proposed for extracting selenium from copper anode slimes with a low concentration of nitric acid in a sealed sulfuric acid leaching system. It …

copper electrorefining process anode slime

USA US769555A USA USA US A US A US A US 769555 A US769555 A US 769555A US A US A US A US A US A US A Authority US United States Prior art keywords tellurium copper residue slimes form Prior art date Legal status (The legal status is an assumption and is not a …

Tellurium Extraction From Copper Electrorefining Slimes ...

Aug 17, 1999· The present invention is directed to the substantially selective extraction of tellurium from tellurium-containing materials, and more particularly copper electrorefining slimes. Conventionally, a slurry of the shines is prepared in diluted sulphuric acid, and leached in an autoclave to extract certain metal values, including ...

The treatment of copper refinery anode slimes | SpringerLink

Extraction of copper and gold from anode slime of Sarcheshmeh Copper Complex selenium, silver, and tellurium with dilute HNO 3 (2–8 M), recovery and recycling of HNO 3, selective solvent extraction

Tellurium extraction from copper electrorefining slimes ...

The treatment of copper scrap consisted of copper smelting and converting, copper electrorefining, anode slimes purification by H 2 SO 4 leach (to remove Cu + Ni), doré smelting and silver electrorefining in a Thum cell, gold mud leaching with aqua regia, gold reduction with SO 2, and selective precipitation of red and yellow salts.

tellurium extraction from copper electrorefining slimes ...

Effect of tellerium in cu electrorefining. Patent us tellurium extraction from copper electrorefining aug 17, 1999 a method for extracting tellurium from copper electrorefining slimes by the action of current applied to the anode, the copper dissolves and is more details. View All Extraction of copper and gold from anode slime of

Copper Anode Slime Recovery-Copper- - Metalcess

The slime is characterized by higher amount of Ag, Se, Pb, and Cu compared to other metals and a very low Au content (Khaleghi and Ghader, 2013).The copper anode slimes are composed of 11.69% selenium, 3.93% copper, 5.26% silver, 0.13% gold, and 45% barite, plus lead, tellurium, antimony, sulphur, and silica with small amounts of nickel, iron ...

copper anode slime processing plant - Pay For Work

Recovery Tellurium Us tvpdcollege tellurium extraction from copper electrorefining slimes Recovery of tellurium Free Patents Online tellurium containing tellurium - centrifugalpump co in Patent US - Recovery of tellurium - Google Patents 2 981 595 RECOVERY or TELLURIUM Sidney B Tuwiner Baldwin NY assignor to Phelps Dodge

Tellurium Extraction From Copper Electrorefining Slimes ...

Copper anode slime processing plant in finland know more copper anode slime processing plant in finland finland copper mining equipment for sale and finnish metallurgical technology and manufacturers of mining, get price online copper extraction wikipedia a potential of only 0204 volts is required for the process to commence at the anode.

USA - Recovery of tellurium - Google Patents

Tellurium Extraction From Copper Electrorefining Slimes Patent Us. Crushers used in iron ore mining crushers used in iron ore mining equipment list for mining 30 ton per hour processing of copper electrorefining anode slime improved estimates for te and se availability from cu extraction of copper and gold from anode slime of effect of tellerium in cu electrorefining gold recovery from copper ...

Of Copper Electrorefining Anode Slime Processing

mainly from anode slimes produce d from copper electrorefining, which accounts for at least 75 percent of the tellurium rec overed (Goldfarb, 2017). The reduct ion in known copper sulfide

USA - Tellurium extraction from copper ...

Copper electrorefining mainly produce LME Cu-CATH-1 copper cathode and byproduct anode slime from copper anode. Metalcess develops mini scale copper ER from 1T/d copper ER system with modular design/easy installation and saving installation instruction cost.

(PDF) Hydrometallurgical Recovery of Tellurium

A method of increasing the extraction of tellurium from copper electrorefining slime comprises leaching the slime with dilute sulphuric acid in a reactor under a partial oxygen pressure of up to 150 psi and at an elevated temperature between about 100 and 200°C until copper, nickel and substantially all of the tellurium is dissolved, thereby forming a leach slurry, and contacting the slurry ...

recovery tellurium us - Weill Gilles

7 processes to produce precious metals 7.1 - Eurometaux. Jul 3, 2014 ... Anode slimes from electrolytic copper refining are a significant source of precious ... environmental legislation, but also from the acute rise in silver prices. ... but process the lead alloy directly to recover precious metals. .... copper electrorefining and for other materials using processes described above.