AN ELECTROCHEMICAL STUDY OF THE OXIDATION OF CHALCOPYRITE IN ACIDIC SOLUTION

被引：65

作者：

HOLLIDAY, RI

RICHMOND, WR

机构：

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1990年 / 288卷 / 1-2期

关键词：

D O I：

10.1016/0022-0728(90)80027-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The anodic dissolution of chalcopyrite (CuFeS2) in acidic solutions has been studied using cyclic voltammetry with rotating disc and ring-disc electrodes as well as galvanostatic methods. It is concluded that oxidation occurs by a sequential mechanism, there being an initial rate determining step to produce adsorbed copper(II) ion and then a reaction to produce iron(II) ion. The final ratio of aqueous iron(II) to aqueous copper(II) produced was determined as 5:1. The results are compared with those of other workers and similarities and differences are noted. © 1990.

引用

页码：83 / 98

页数：16

共 24 条

[1]

ALBERY WJ, 1971, RING DISC ELECTRODES, P17

[2] ELECTROCHEMISTRY OF SULPHUR .1. OVERPOTENTIAL IN THE DISCHARGE OF THE SULPHIDE ION [J].

ALLEN, PL ;

HICKLING, A .

TRANSACTIONS OF THE FARADAY SOCIETY, 1957, 53 (12) :1626-1635

[3]

ALLISON SA, 1982, M29 COUNC MIN TECHN

[4] ELECTROCHEMICAL STUDY OF CHALCOPYRITE OXIDATION IN ACIDIC CHLORIDE MEDIUM [J].

AMMOUCHOKROUM, M ;

STEINMETZ, D ;

MALVE, A .

BULLETIN DE MINERALOGIE, 1978, 101 (01) :26-43

[5]

Baczek FA, 1981, Recovering copper from chalcopyrite concentrate, Patent No. [US 4,256,553, 4256553]

[6] THE ELECTROCHEMISTRY OF SURFACE OXIDATION OF CHALCOPYRITE [J].

BIEGLER, T ;

HORNE, MD .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1985, 132 (06) :1363-1369

[7] ELECTROLYTIC REDUCTION OF CHALCOPYRITE IN ACID SOLUTION [J].

BIEGLER, T ;

SWIFT, DA .

JOURNAL OF APPLIED ELECTROCHEMISTRY, 1976, 6 (03) :229-235

[8]

BOCKRIS JO, 1970, MODERN ELECTROCHEMIS, V2, P883

[9]

CHAN M, 1985, THESIS U W AUSTR

[10]

DELAHAY P, 1965, DOUBLE LAYER ELECTRO, P161

← 1 2 3 →