Electrochemical evaluation of petzite leaching

Linear scan voltammetry was used to determine the reactions that occur during the cyanidation of petzite (Ag 3AuTe 2). Gold oxidation in petzite requires more oxidising conditions than are required for pure gold, it also does not achieve the same current (related to reaction rate). Tellurium oxidati...

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Main Authors: Dyer, Laurence, Eghbalnia, M., Dixon, D., Rumball, J., Asselin, E.
Format: Conference Paper
Published: 2012
Online Access:http://hdl.handle.net/20.500.11937/53962
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author Dyer, Laurence
Eghbalnia, M.
Dixon, D.
Rumball, J.
Asselin, E.
author_facet Dyer, Laurence
Eghbalnia, M.
Dixon, D.
Rumball, J.
Asselin, E.
author_sort Dyer, Laurence
building Curtin Institutional Repository
collection Online Access
description Linear scan voltammetry was used to determine the reactions that occur during the cyanidation of petzite (Ag 3AuTe 2). Gold oxidation in petzite requires more oxidising conditions than are required for pure gold, it also does not achieve the same current (related to reaction rate). Tellurium oxidation occurs at a similar potential in water and cyanide, but as a component of petzite is impeded somewhat in water, likely due to the stability of the precious metals. Pre-treatment of petzite to oxidise tellurium in the absence of cyanide prior to gold recovery appears to be at least moderately successful.
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institution Curtin University Malaysia
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publishDate 2012
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spelling curtin-20.500.11937-539622017-06-23T03:01:57Z Electrochemical evaluation of petzite leaching Dyer, Laurence Eghbalnia, M. Dixon, D. Rumball, J. Asselin, E. Linear scan voltammetry was used to determine the reactions that occur during the cyanidation of petzite (Ag 3AuTe 2). Gold oxidation in petzite requires more oxidising conditions than are required for pure gold, it also does not achieve the same current (related to reaction rate). Tellurium oxidation occurs at a similar potential in water and cyanide, but as a component of petzite is impeded somewhat in water, likely due to the stability of the precious metals. Pre-treatment of petzite to oxidise tellurium in the absence of cyanide prior to gold recovery appears to be at least moderately successful. 2012 Conference Paper http://hdl.handle.net/20.500.11937/53962 restricted
spellingShingle Dyer, Laurence
Eghbalnia, M.
Dixon, D.
Rumball, J.
Asselin, E.
Electrochemical evaluation of petzite leaching
title Electrochemical evaluation of petzite leaching
title_full Electrochemical evaluation of petzite leaching
title_fullStr Electrochemical evaluation of petzite leaching
title_full_unstemmed Electrochemical evaluation of petzite leaching
title_short Electrochemical evaluation of petzite leaching
title_sort electrochemical evaluation of petzite leaching
url http://hdl.handle.net/20.500.11937/53962