A comparative study of electrochemical behavior of chalcopyrite, chalcocite and bornite in sulfuric acid solution

Elsa M. Arce; Ignacio González

doi:10.1016/S0301-7516(02)00003-0

A comparative study of electrochemical behavior of chalcopyrite, chalcocite and bornite in sulfuric acid solution

Elsa M. Arce, Ignacio González

Research output: Contribution to journal › Article › peer-review

148 Scopus citations

Abstract

A comparative study of the electrochemical behavior of different copper sulfide minerals (chalcopyrite, bornite and chalcocite) in sulfuric acid solutions was performed. Carbon paste electrodes (CPE) containing mineral particles with nonconducting binder were used. The comparative study shows that the chalcopyrite oxidation process does not produce covellite as claimed by some authors. Chalcopyrite oxidation has been found to produce a nonstoichiometric sulfide, Cu_n-1Fe_n-1S_2n. On the other hand, it is apparent that bornite is not an intermediary species formed in the chalcopyrite reduction; the reduction of chalcopyrite directly produces chalcocite.

Original language	English
Pages (from-to)	17-28
Number of pages	12
Journal	International Journal of Mineral Processing
Volume	67
Issue number	1-4
DOIs	https://doi.org/10.1016/S0301-7516(02)00003-0
State	Published - Nov 2002
Externally published	Yes

Keywords

Bornite
CPE
Chalcocite
Chalcopyrite
Voltammetry

Access to Document

10.1016/S0301-7516(02)00003-0

Cite this

@article{2c9e50eb6144479b99e17349d8434857,

title = "A comparative study of electrochemical behavior of chalcopyrite, chalcocite and bornite in sulfuric acid solution",

abstract = "A comparative study of the electrochemical behavior of different copper sulfide minerals (chalcopyrite, bornite and chalcocite) in sulfuric acid solutions was performed. Carbon paste electrodes (CPE) containing mineral particles with nonconducting binder were used. The comparative study shows that the chalcopyrite oxidation process does not produce covellite as claimed by some authors. Chalcopyrite oxidation has been found to produce a nonstoichiometric sulfide, Cun-1Fen-1S2n. On the other hand, it is apparent that bornite is not an intermediary species formed in the chalcopyrite reduction; the reduction of chalcopyrite directly produces chalcocite.",

keywords = "Bornite, CPE, Chalcocite, Chalcopyrite, Voltammetry",

author = "Arce, {Elsa M.} and Ignacio Gonz{\'a}lez",

note = "Funding Information: This work was financially supported by DEPI-IPN. The authors are recipients of the COFAA-IPN and SNI fellowships.",

year = "2002",

month = nov,

doi = "10.1016/S0301-7516(02)00003-0",

language = "Ingl{\'e}s",

volume = "67",

pages = "17--28",

journal = "International Journal of Mineral Processing",

issn = "0301-7516",

number = "1-4",

}

TY - JOUR

T1 - A comparative study of electrochemical behavior of chalcopyrite, chalcocite and bornite in sulfuric acid solution

AU - Arce, Elsa M.

AU - González, Ignacio

N1 - Funding Information: This work was financially supported by DEPI-IPN. The authors are recipients of the COFAA-IPN and SNI fellowships.

PY - 2002/11

Y1 - 2002/11

N2 - A comparative study of the electrochemical behavior of different copper sulfide minerals (chalcopyrite, bornite and chalcocite) in sulfuric acid solutions was performed. Carbon paste electrodes (CPE) containing mineral particles with nonconducting binder were used. The comparative study shows that the chalcopyrite oxidation process does not produce covellite as claimed by some authors. Chalcopyrite oxidation has been found to produce a nonstoichiometric sulfide, Cun-1Fen-1S2n. On the other hand, it is apparent that bornite is not an intermediary species formed in the chalcopyrite reduction; the reduction of chalcopyrite directly produces chalcocite.

AB - A comparative study of the electrochemical behavior of different copper sulfide minerals (chalcopyrite, bornite and chalcocite) in sulfuric acid solutions was performed. Carbon paste electrodes (CPE) containing mineral particles with nonconducting binder were used. The comparative study shows that the chalcopyrite oxidation process does not produce covellite as claimed by some authors. Chalcopyrite oxidation has been found to produce a nonstoichiometric sulfide, Cun-1Fen-1S2n. On the other hand, it is apparent that bornite is not an intermediary species formed in the chalcopyrite reduction; the reduction of chalcopyrite directly produces chalcocite.

KW - Bornite

KW - CPE

KW - Chalcocite

KW - Chalcopyrite

KW - Voltammetry

UR - http://www.scopus.com/inward/record.url?scp=0036844067&partnerID=8YFLogxK

U2 - 10.1016/S0301-7516(02)00003-0

DO - 10.1016/S0301-7516(02)00003-0

M3 - Artículo

SN - 0301-7516

VL - 67

SP - 17

EP - 28

JO - International Journal of Mineral Processing

JF - International Journal of Mineral Processing

IS - 1-4

ER -

A comparative study of electrochemical behavior of chalcopyrite, chalcocite and bornite in sulfuric acid solution

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this