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Behaviour of non-standard composition copper bearing anodes from the copper refining process

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2010
Authors
Marković, Rade
Friedrich, Bernd
Stajić-Trošić, Jasna
Jordović, Branka
Jugović, Branimir
Gvozdenović, Milica M.
Stevanović, Jasmina
Article (Published version)
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Abstract
This paper addresses on investigation the possibility of electrolytic treatment the sulphur acidic waste solution, obtained in the conventional electrolytic copper refining process. Beside the high copper concentration, the high concentration of other metals, in this case nickel, is the main characteristic of these waste solutions. Due to this fact, the copper bearing anodes with non-standard nickel, lead, tin and antimony content were specially prepared for the refining process. Nickel content of all anodes was approximately 7.5 mass%, and the content of lead, tin and antimony was varied. The preliminary results, obtained using the standard electrochemical techniques, have indicated that the copper bearing anodes could be used under the same conditions as well as in the conventional copper refining process. The measurements in constant galvanostatic pulse have pointed out that the all chemical elements from copper bearing anodes were dissolved and only copper was deposited onto the ca...thode. It was also pointed out that Ni concentration in the base working electrolyte (sulphur acidic waste solution), after 72 h of process, increased to 102 mass% at T-1 = 63 +/- 2 degrees C and up to 122 mass% at T-1 = 73 +/- 2 degrees C, while arsenic concentration decreased to a minimum value.

Keywords:
Non-standard copper bearing anodes / Electrorefining / Sulphur acidic waste solution / Alloying elements
Source:
Journal of Hazardous Materials, 2010, 182, 1-3, 55-63
Publisher:
  • Elsevier Science Bv, Amsterdam
Projects:
  • Modifikacija metalnih i nemetalnih materijala elektroprovodnim polimerima za primenu u novim tehnologijama (RS-142044)

DOI: 10.1016/j.jhazmat.2010.05.137

ISSN: 0304-3894

PubMed: 20667423

WoS: 000282240800008

Scopus: 2-s2.0-77955572578
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/718
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