Inhibition of PbO2 formation during lead electrowinning |
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| Authors: | Ramachandran P. Venkateswaran K. V. Srinivasan R. |
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| Affiliation: | (1) Central Electrochemical Research Institute, 623006 Karaikudi, India |
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| Abstract: | The effect of the addition of arsenic compounds on the inhibition of PbO2 formation on the anode, thus promoting oxygen evolution in the electrowinning process of lead, has been investigated. Various possible anode reactions involving arsenic have been discussed. Preferential adsorption of arsenic compounds on the electrode surface seems to be the most probable reason for the inhibition of PbO2 formation. |
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