Lead Anode Slime Recovery Furnace

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Vacuum Carbothermal Reduction for Treating Tin Anode Slime

Vacuum Carbothermal Reduction for Treating Tin Anode Slime

Aug 29, 2013 Conclusions. An investigation of vacuum carbothermal reduction was developed for the treatment of tin anode slime. The results revealed that 92.85 by weight of antimony and 99.58 by weight of lead were removed. The crude tin with 94.22 wt. of tin was obtained, and the corresponding direct recovery of tin was 94.35.

Leaching behavior of metals from copper anode slime

Leaching behavior of metals from copper anode slime

Oct 01, 2015 Copper, lead, antimony and silver in residue exist as CuO, PbO, NaSbOH 6 and Ag, respectively. Almost all the tellurium, silver, gold and platinum are left in the residue. Based on the experimental results, a flow sheet for comprehensive recovery of metal values from copper anode slime

LEACHING THE LEAD FROM ANODE SLIME BY AMMONIUM

LEACHING THE LEAD FROM ANODE SLIME BY AMMONIUM

Selective leaching the lead from anode slime from PT. Smelting PTS was investigated. The presence of large amount of lead in electrometallurgical anode slime courses of extraction of precious metals Au, Ag and other valuable metals Bi, Se, Te, Pt and Pd from the slime is more difficult.

PRECIOUS METALS REFINING PRACTICE H ABSTRACT

PRECIOUS METALS REFINING PRACTICE H ABSTRACT

Lead Arsenic Antimony Silver Gold Palladium Platinum 30 12 3 2 2 0.5 ... TREATMENT OF ANODE SLIME Dry slime fpm the Kennecott Refining Corporation at Baltimore, ... a 75 sq ft natural gas fired reverberatory furnace. The first slag taken is a slime oxide slag. The second slag is a soda slag containing many of the amphoteric

Recovery of Silver and Gold from Copper Anode Slimes

Recovery of Silver and Gold from Copper Anode Slimes

Aug 14, 2021 The low recovery rates of Pt and Pd, and low direct recovery of Au are the main problems needed to be solved in the process of copper anode slime

Recovery of precious Au Ag Pd Pt and other Metals

Recovery of precious Au Ag Pd Pt and other Metals

550 kg of anode slime containing 275 kg of Cu, 7.529 kg of Ag and 3.12 kg of Au. 270 kg impurities Pb, Sn, Zn, and Fe distributed in the anode slime and partly in the electrolyte. After the electrolytic refinement of the anodes the obtained slime 550 kg is to be set copper free to the copper content in the sludge of 2 for the

Tellurium from Copper Anode Slime to High Purity Product

Tellurium from Copper Anode Slime to High Purity Product

Oct 06, 2020 Tellurium is a rare metalloid that is vastly produced from copper anode slime, which is a by-product of the copper electrorefining process. Choosing the proper recovery method strongly depends on the slimes composition, mineralogy, and tellurium concentration. In addition, correctly selecting the right method of leaching, purification, and precipitation in economic and environmental

PDF An investigation of coppe rand selenium recovery

PDF An investigation of coppe rand selenium recovery

Tin anode slime is a by-product of the tin electrolytic refining process. ... Lead was hardly dissolved during the above treatments and a lead concentrate was finally obtained. 97.0 of selenium ...

Processing of copper electrorefining anode slime Request

Processing of copper electrorefining anode slime Request

Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper. It generally contains Cu, Ni, Se, Te, Ag, Au, platinum group metals PGM ...

Impact Assessment Division IndustryI Sector

Impact Assessment Division IndustryI Sector

refining of anode slime in furnaces and hydro-metallurgical refining in electrolysis section. This plant shall treat the anode slime amp high-grade metal HGM produced as a by-product in the HZL lead smelters in Rajasthan to recover the silver. This plant shall produce 25 TPA of Silver Nitrate as a by - product. The existing plant is ...

Reuse of Anode Slime Generated by the Zinc Industry to

Reuse of Anode Slime Generated by the Zinc Industry to

Jul 02, 2013 A hydrometallurgical process is proposed in this article to recover manganese from a zinc electrowinning residue. The article describes the digestion-leaching experiments, precipitation, and electrowinning assays to recover Mn from this residue. Anode slime is treated with sulfuric acidic in a furnace within a temperature range of 400450 C, leached with water, and then filtered. The ...

Hydrometallurgical process for recovering precious metals

Hydrometallurgical process for recovering precious metals

Decopperized anode slime leaching experiment is carried out in a flask equipped with an agitator, a condenser, heating apparatus and a set of temperature indicator and controller. 1500 Grams dry basis of decopperized anode slime containing 283.38 grams of silver, 222.3 grams of selenium, and 13.95 grams of tellurium together with ...

Extraction of platinum and gold from copper anode

Extraction of platinum and gold from copper anode

The copper anode slime used in this work was obtained from a copper smelter located in Yunnan province of China. As presented in Table 1, the major elements contained in this slime were Cu, Sn, Sb, Ag, As, S, O, and Te, and the contents of Pt and Au were 93.76 gt and 1812.15 gt respectively. Fig.1 shows that this copper anode slime was

A novel process for silver enrichment from Kaldo smelting

A novel process for silver enrichment from Kaldo smelting

Jul 10, 2020 The lead alloy anode plate then report to electrorefining in silicofluoric acid system to produce lead bullion, and the precious metals are enriched in lead anode slime. As the anode of lead alloy plate is easily passivated in electrolytic process, the cell voltage will rise, which leads to the massive dissolution of silver Wang and Zhang ...

Reuse of Anode Slime Generated by the Zinc Industry to

Reuse of Anode Slime Generated by the Zinc Industry to

Jul 02, 2013 Anode slime is treated with sulfuric acidic in a furnace within a temperature range of 400450 C, leached with water, and then filtered. The results show that the dissolution of manganese increases with increasing temperature in the digestion step. The recovery yield of manganese was higher than 90.

How to Recover Lead from Scrap Batteries

How to Recover Lead from Scrap Batteries

Aug 27, 2018 Metal Recovery Anode and Slime Blanket. The lead metal obtained from scrap batteries contained 2 to 2.5 pct antimony. Anodes cast from this metal usually produced firm and adherent slime blankets. Electrorefining was an ideal method for eliminating Sb, As, Cu, and Sn from the lead.

Effective separation and recovery of valuable metals from

Effective separation and recovery of valuable metals from

Effective separation and recovery of valuable metals from high value-added lead anode slime by sustainable vacuum distillation August 2021 Journal of Cleaner Production 3196128731

Treatment of copper refinery anode slime Institute of

Treatment of copper refinery anode slime Institute of

This invention relates to a process for recovering lead from anode slime in order to upgrade the slime. The presence of a large amount of lead in the slime makes the recovery of precious metals and other valuable metals from the slime more difficult. A variety of techniques have been utilized to recover the precious metals from the slime.

Sustainable extraction of lead and reuse of valuable

Sustainable extraction of lead and reuse of valuable

May 10, 2019 Industrial vacuum recovery of valuable metals from lead anode slime noble lead was recognized. Abstract Traditional lead metallurgy, a highly complicated lead extraction process for valuable metal recovery, has exhausted resources and produced a variety of hazardous wastes that are extremely harmful to the environment and unfavorable to the ...

Treatment of anode slime from copper electrolysis

Treatment of anode slime from copper electrolysis

BACKGROUND OF THE INVENTION. The present invention relates to an improved process for treating anode slime from copper electrolysis. In the electrolysis of crude or blister copper for obtaining electrolytic copper, the byproduct anode slime resulting therefrom contains valuable metals such as gold, silver, copper, lead, selenium, and the like.

Processing method of copper anode slime

Processing method of copper anode slime

FIELD metallurgy. SUBSTANCE method includes antimony and lead leaching from copper anode slime in a solution containing 50-200 gdm 3 of glycerin, 50-100 gdm 3 of alkali and a reducing agent, in an amount that provides the system oxidation-reduction potential more positively than 0.8 V at a temperature of 70-90 C for 2-3 hours. Thus lead from the leach solution is educed by known methods.

PDF Leaching of Sb from TROF furnace dor233 slag

PDF Leaching of Sb from TROF furnace dor233 slag

The settling rate and particle size had a correlation only with a copper content of anode slime. The main phases in the anode slime were copper and lead sulphates as well as copper-silver selenides.

Lead leaching mechanism and kinetics in electrolytic

Lead leaching mechanism and kinetics in electrolytic

anode slime was reduced and obtained in a sulfuric acid mixture Wei et al., 2017. The extent of manganese leaching in anode slime was 99. The content of lead, whose form was mainly lead sulfate, was larger than 43 after the anode slime was concentrated and leached. Shu et al. 2017 found that the main forms of manganese in anode

Rio Tinto Kennecott smelter Metso Outotec

Rio Tinto Kennecott smelter Metso Outotec

Jul 03, 2017 Chemical impurity levels of anodes a RTK are among the highest in the world, yet production of ASTM Grade 1 cathode is possible due to precipitation of bismuth and antimony as a complex of arsenates in the porous anode slime layer formed with elevated lead in anode.

STRIEBRO V POSKU V221SKUM A V221ROBA

STRIEBRO V POSKU V221SKUM A V221ROBA

CASTING OF ANODES Waste slag for production of lead Charcoal SILVER ELECTROREFINING Anodes 99Ag REMELTING, CASTING OF INGOTS, GRANULATION Cathode silver Refined silver 99,99Ag SELENIUM RECOVERY Dusts SELENIUM Gold-bearing anode slime TREATMENT OF ANODE SLIME Pt-Pd co nce trate Gold Anode waste Fig.2 Flow-sheet of silver production in HM ...

for recovery Hydrometallurgical

for recovery Hydrometallurgical

Keywords Anode slime, Characterization of anode slime, Leaching, Recovery of vauable metals. INTRODUCTION ... allurgical processes is the slime smelting in Dore furnace with selenium recov- ... platinum, lead, arsenic etc. Of particular importance to the slime treatment is a knowledge of various phases present in the slime, which has ...

US3944414A Treatment of anode slime from copper

US3944414A Treatment of anode slime from copper

Process for the flotation of anode slime from copper electrolysis comprising subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution. The floated material obtained from the flotation is continuously subjected to three processes of roasting, melting and cupellation in a rotary furnace lined ...

The treatment of copper refinery anode slimes SpringerLink

The treatment of copper refinery anode slimes SpringerLink

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. Most promising is a ...

US4293332A Hydrometallurgical process for recovering

US4293332A Hydrometallurgical process for recovering

A hydrometallurgical process for recovering precious metals, such as gold, silver, selenium, and tellurium etc. from anode slime has been developed and tested successfully. The process comprises three major unit operations leaching, liquid-liquid extraction, and reduction. The decopperized anode slime is first leached with nitric acid at an elevated temperature to obtain a leach solution ...

Electrolytic Method for Recovery of Lead From Scrap

Electrolytic Method for Recovery of Lead From Scrap

slime blanket on lead anodes. Thus, anodes made from scrap battery grid metal containing several percent antimony should be particularly suited to electro refining. The problem heretofore has been how to recover the lead from the hattery sludge, which consists

Harmless industrial vacuumdistillation treatment of

Harmless industrial vacuumdistillation treatment of

Mar 01, 2018 Noble lead is a product from fire-reduction smelting of lead anode slime to obtain noble lead without copper, a liquation process is typically used to remove the copper. In addition to Pb, the main chemical composition of noble lead consists of a large number of valuable and precious metals, such as Au, Ag, Pt, Cu, and Bi therefore, it is the ...

CA1059771A Hydrometallurgical process for the recovery

CA1059771A Hydrometallurgical process for the recovery

ABSTRACT OF THE DISCLOSURE 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 ...

A selective volatilization and condensation process for

A selective volatilization and condensation process for

Noble lead, which is produced by the reduction smelting of lead anode slime, contains copious rare and precious metals. The vacuum distillation procedure for processing noble lead exhibits the ...

CA2933448C A process for extracting noble metals from

CA2933448C A process for extracting noble metals from

The present invention provides a process for extracting noble metals from anode slime, comprising 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. The present invention avoids the problem of lead pollution by using metallic bismuth to collect noble metals ...

anode slime in a sentence anode slime sentence

anode slime in a sentence anode slime sentence

As with recovering silver in lead smelting, reverberatory furnaces are often used in the copper refining industry for the purification and recovery of gold and silver from anode slimes. The elements in the scrap end up in different proportions in the refined copper metal, the slag, the bag-house dust, the exhaust gases that leave the plant via ...