TITLE

Copper recovery in a spouted vessel electrolytic reactor (SBER)

AUTHOR(S)
Shirvanian, P.; Calo, J.
PUB. DATE
January 2005
SOURCE
Journal of Applied Electrochemistry;Jan2005, Vol. 35 Issue 1, p101
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
An investigation of copper recovery from acidic solutions in a particulate, cylindrical spouted vessel of conductive particles is presented. The effects of current, initial copper ion concentration, supporting electrolyte concentration, particle loading, liquid flow rate, solution pH, and temperature on copper recovery rate, current efficiency and energy efficiency of the electrolytic deposition process were investigated under galvanostatic conditions. Experiments were also conducted to investigate the effects of backdissolution or ‘backstripping’ of the deposited metal in the acidic solution. It is hypothesized that the latter occursviaboth chemical and electrochemical anodic oxidation in the bed of conductive particles. It was found that sparging of the electrolyte solution with selected gases to remove dissolved oxygen increased the current efficiency by as much as 30 under certain conditions. Finally, a numerical kinetic model of electrochemical deposition and backstripping, coupled with mass transfer in the particulate cathode bed, is presented that describes the behaviour of the net copper recovery curves reasonably well.
ACCESSION #
15543548

 

Related Articles

  • Adsorption of Cu(II) Metal Ion from Aqueous Solution Using Chitosan Nano-Bead. Cahyaningrum, Sari Edi; Narsito; Santoso, Sri Juari; Agustini, Rudiana // AIP Conference Proceedings;10/24/2010, Vol. 1284 Issue 1, p203 

    The adsorption of Cu(II) metal ion onto chitosan nano- bead is studied in this paper. Parameters investigated in this work such as medium of pH, adsorption rate (k1), energies (E) and capacity of adsorption (b). The kinetic model of first order reaching equilibrium and pseudo order 2nd Ho...

  • Influence of pH on the transport of nanoscale zinc oxide in saturated porous media. Kanel, Sushil; Al-Abed, Souhail // Journal of Nanoparticle Research;Sep2011, Vol. 13 Issue 9, p4035 

    Widespread use of nanoscale zinc oxide (nZnO) in various fields causes subsurface environment contamination. Even though the transport of dissolved zinc ions in subsurface environments such as soils and sediments has been widely studied, the transport mechanism of nZnO in such environments is...

  • On Participation of Hydroxide Ions in the Anodic Dissolution of Metals in Aqueous Electrolyte Solutions. Byk, M.V.; Tkalenko, D.A.; Tkalenko, M.D. // Protection of Metals;May/Jun2004, Vol. 40 Issue 3, p294 

    The increase in the anodic current at a fixed potential is formally explained by taking into account the shift of anodic partial curves with a change in pH, without invoking any concept of catalytic properties of hydroxide ions and their effect on the kinetics of any stage of the anodic process....

  • Temperature-concentration oscillations associated with structural state of solutions. Kir'yanova, E. V. // Russian Journal of General Chemistry;Dec2007, Vol. 77 Issue 12, p2083 

    Crystal-solution phase equilibria in aqueous solutions of salts (NH4NO3, NaNO3, KNO3, RbNO3, K2SO4, K2CrO4, KBr, and NaBr · 2H2O) in the range of saturation temperatures 5–50°C (concentrations 0.6–34.3 mol in 1 kg of water) were studied in detail. Multiple disturbances...

  • Electronic properties of H-terminated diamond in electrolyte solutions. Nebel, C. E.; Rezek, B.; Shin, D.; Watanabe, H.; Yamamoto, T. // Journal of Applied Physics;2/1/2006, Vol. 99 Issue 3, p033711 

    The electronic properties of hydrogen-terminated single-crystalline chemical-vapor deposited diamond in electrolyte solutions between pH 2 and 12 have been characterized by cyclic voltammetry experiments and pH-sensitive measurements using ion-sensitive field-effect transistor structures. The...

  • An Optical Chemical Sensor Based on Swellable Dicarboxylate Functionalized Polymer Microspheres for pH Copper and Calcium Determination. Shakhsher, Ziad M.; Odeh, Imad; Jabr, Suha; Seitz, W. Rudolf // Microchimica Acta;Jan2004, Vol. 144 Issue 1-3, p147 

    An optical chemical sensor based on polymer swelling and shrinking has been studied by way of optical transmission. Polyvinylbenzyl chloride cross-linked with divinylbenzene and derivatized as the dicarboxylate was dispersed as microspheres in a hydrogel membrane. The absorbance was measured vs....

  • Adsorption Behaviour of Reduced Graphene Oxide for Removal of Heavy Metal Ions. BO WANG; FAN ZHANG; SHENGFU HE; FU HUANG; ZHIYUAN PENG // Asian Journal of Chemistry;2014, Vol. 26 Issue 15, p4901 

    Reduced graphene oxide was prepared by reducing graphene oxide with ethylenediamine. The adsorption behavior of the reduced graphene oxide for Pb(II), Cd(II), Cu(II) and Mn(II) was studied and the effects of media pH, adsorption time and initial metal ion concentration on adsorption capacity of...

  • Quantitative Characterization of Non-Classic Polarization of Cations on Clay Aggregate Stability. Hu, Feinan; Li, Hang; Liu, Xinmin; Li, Song; Ding, Wuquan; Xu, Chenyang; Li, Yue; Zhu, Longhui // PLoS ONE;Apr2015, Vol. 10 Issue 4, p1 

    Soil particle interactions are strongly influenced by the concentration, valence and ion species and the pH of the bulk solution, which will also affect aggregate stability and particle transport. In this study, we investigated clay aggregate stability in the presence of different alkali ions...

  • Electrolytic Dissolutions of UO2 and SIMFUEL in Carbonate Solutions at Several pHs. Kwang-Wook Kim; Geun-Il Park; Eil-Hee Lee; Kune-Woo Lee; Kee-Chan Song // World Academy of Science, Engineering & Technology;Dec2010, Issue 48, p611 

    No abstract available.

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics