Jul 18, 2013· Abstract. 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), Pb, Ba, Fe, etc. Owing to the presence of valuable metals and metalloids in the anode slime, numerous approaches have been made by the researchers to extract them following …

could be dissolved on anode with the possi-bility to: remain dissolved into the base elec-trolyte, to become a part of the anode slime forming the "floating slime" and eventually to precipitate onto the cathode. The impuri-ties could cause the anode passivation, con-tamination of cathode deposit and electrolyte contamination.

Apr 15, 2021· The anode slime tended to deposit evenly on the anode surface, while significant evolution of oxygen bubbles from the anode surface, especially from the PbO 2 /MnO 2 boundary (Mohammadi et al., 2016), increased the local pressure of this region, contributing to microscale fracture of the flakes and separation from the lead matrix, resulting in ...

Aug 20, 2021· 1. Introduction. As a by-product of copper smelting, anode slime is rich in precious metals, such as gold, silver, platinum group metals, rare metals-selenium and tellurium [,,,,,, ].The copper anode slime is an important raw material for extracting rare precious metals and is also an effective way and inevitable choice to make up for the gradual depletion of primary mineral resources ...

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), Pb, Ba, Fe, etc. Owing to the presence of valuable metals and metalloids in the anode slime, numerous approaches have been made by the researchers to extract them following pyro-, pyrohydro ...

Anode slime samples were collected from the bottom of the electrolytic cells during the electro-refining of copper. These samples were sieved through a 2.0 mm sieve to remove large inclusions of copper and other foreign material present in the slime. A representative sample of the feed slime was analysed for Cu, Pb, Sn, Zn, Ni, Fe,

Abstract. 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), Pb, Ba, Fe, etc. Owing to the presence of valuable metals and metalloids in the anode slime, numerous approaches have been made by the researchers to extract them following pyro ...

Dec 07, 2017· Impurities from the copper anode, such as gold, silver, platinum and tin, collect at the bottom of the electrolyte solution, deposited as anode slime. More details on the impurities here: –Ag, Au, tin and Pt are more noble than copper, insoluble in this electrolyte and so do not deposit …

Keywords : Anode slime, Characterization of anode slime, Leaching, Recovery of vauable metals. INTRODUCTION Anode slime is the insoluble product deposited at the bottom of the electrorefining tank at the time of electrorefining of copper. It contains valuable 216

Tertiary Liberator Anode scrap as cathode Reducing Cu from 20 1 g/l, then deposited As, Sb and Bi. Sludge to be recycled to smelter Sludge to be recycled to smelter Anode Slime Insoluble elements in anode is accumulated at cell bottom (slime).

anode slime was first washed with 4 M sulphuric acid to remove all the copper. Sulphuric acid was then added to anode slime in a 1:10 (solid to liquid) phase ratio and the mixture heated on a hotplate in the presence of oxygen while being stirred with a magnetic stirrer. In this stage the effective parameters were temperature, mixing time, and

Insoluble anodes, also known as inert anodes, are generally composed of a titanium mesh coated with a mixed oxide of tantalum and zirconium. Insoluble anode, good stability, no anode maintenance, no anode slime, pulse or DC plating are applicable; however, the consumption of additives is large. (2) cathode and anode spacing.

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 ...

The anode slime introduces a multi-component secondary product of electrolytic refining process of metals composed of insoluble components of Cu, Au, Ag, Pt, Pd, Ir, etc. The composition of the anode slimes varies according to the composition of the anodes.

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. Get Price

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 ...

Processing of copper electrorefining anode slime a review processing of copper electrorefining anode slime a review 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 pb ba fe etc owing to the. Read More >

Jul 06, 2021· Anode slimes product is a by-product of the electro-refining process and consists of the insoluble impurities from the anode that fall to the bottom of the refining cell. The anode slimes are recovered from the refining cells, are dried in an oven and processed by a metals by-product plant.

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 ...

Aug 23, 2017· Contamination of the zinc deposit and the valuable manganese dioxide byproduct in the anode slime resulted. ... contamination of the zinc cathode with lead is the result of loosely adherent films of PbSO4 that are detached from the anode during electrolysis, and the insoluble PbSO4 is subsequently trapped in the deposited metal at the cathode ...

anodes. They do not dissolve and form part of the so-called anode slime which is periodically collected and sent to a separate recovery process. Consequently, the slime contains a certain amount of Se and Te compounds which typically include Cu 2 (Se/Te), Ag 2 (Se/Te) and CuAg(Se/Te). [4] Lead shows two different modifications in the anode.

The anode slime is collected in anode bags around the dissolving anode. Under optimal conditions, only fine silver (purity > 99.9 %) will deposit on the cathode. An advantageous condition for the electrolytic deposition of Ag is the large potential difference between Ag20 and Cu (0.5 V). Thus, Cu should theoretically not co-deposit on the ...

Anode slime is a slime which is attached to the surface of anode substrate or deposited at the bottom of electrolytic cell or suspended in the electrolyte during electrolytic refining.. Anode slime enriched most or most precious metals and some rare elements in ores, concentrates or fluxes, so it has high comprehensive recovery value.For example, the value of gold and silver in anode slime ...