Selective leaching of arsenic from enargite in NaHS-NaOH media

Hydrometallurgy

Volumn 101, Issue 1-2, 2010, Pages 64-68

  Tongamp, William ^a   Takasaki, Yasushi ^a   Shibayama, Atsushi ^a  

^a AKITA UNIVERSITY   (Japan)

Author keywords

Arsenic leaching; Copper resources; Enargite; Leaching kinetics; Sodium hydrosulfide

Indexed keywords

CONCENTRATION RANGES; DIFFUSION PROCESS; DISSOLUTION KINETICS; ENARGITE; EXPERIMENTAL DATA; HOMOGENEOUS REACTION; K-VALUES; KINETIC EQUATIONS; LEACHING KINETICS; RATE-DETERMINING PROCESS; SELECTIVE LEACHING; SODIUM HYDROSULFIDE; SOLID SAMPLES; TEMPERATURE RANGE; XRD;

ACTIVATION ENERGY; ARRHENIUS PLOTS; ARSENIC; DISSOLUTION; INTEGRAL EQUATIONS; SCRUBBERS; SODIUM;

LEACHING;

EID: 73549109626     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2009.11.020     Document Type: Article

References (24)

1. Baláž P., and Achimovičová M. Selective leaching of antimony and arsenic from mechanically activated tetrahedrite, jamesonite and enargite. International Journal of Mineral Processing 81 (2006) 44-50
2. Baláž P., and Achimovičová M. Mechano-chemical leaching in hydrometallurgy of complex sulphides. Hydrometallurgy 84 (2006) 60-68
3. Baláž P., Achimovičová M., Bastl Z., Ohtani T., and Sánchez M. Influence of mechanical activation on the alkaline leaching of enargite concentrate. Hydrometallurgy 54 (2000) 205-216
4. Canales C., Acevedo F., and Gentina J.C. Laboratory-scale continuous bio-oxidation of gold concentrate of high pyrite and enargite content. Process Biochemistry 37 (2002) 1051-1055
5. Curreli L., Ghiani M., Surracco M., and Orrù G. Beneficiation of a gold bearing enargite ore by flotation and As leaching with Na-hypochlorite. Minerals Engineering 18 (2005) 849-854
6. Curreli L., Garbarino C., Ghiani M., and Orrù G. Arsenic leaching from a gold bearing enargite flotation concentrate. Hydrometallurgy 96 (2009) 258-263
7. 2S to decontaminate tailings coming from colemanite processing. Minerals Engineering 16 (2003) 45-50
8. Dutrizac J.E., and MacDonald R.J.C. The kinetics of dissolution of enargite in acidified ferric sulfate solution. Canadian Metallurgical Quarterly 11 3 (1971) 469-476
9. Filippou D., ST-Germain P., and Grammatikopoulos. Recovery of metal values from Copper-Arsenic minerals and other related resources. Mineral Processing & Extractive Metallurgy Review 28 (2007) 247-298
10. Fornasiero D., Fullston D., Li C., and Ralston J. Separation of enargite and tennantite from non-arsenic copper sulfide minerals by selective oxidation or dissolution. International Journal of Mineral Processing 61 (2001) 109-119
11. Guo H., and Yen W.T. Selective flotation of enargite from chalcopyrite by electrochemical control. Minerals Engineering 18 (2005) 605-612
12. - media. Hydrometallurgy 64 (2002) 153-160
13. Jackson E. Hydrometallurgical Extraction and Reclamation. Ellis Horwood Series in Industrial Metals (1986), John Wiley & Sons, New York
14. Kantar C. Solution and flotation chemistry of enargite. Colloids and Surfaces A: Physical and Engineering Aspects 210 (2002) 23-31
15. Lattanzi P., Da Pelo S., Musu E., Atzei D., Elsener B., Fantauzzi M., and Rossi A. Enargite oxidation: a review. Earth-Science Reviews 86 (2008) 62-88
16. Menacho J.M., Aliaga W., Valenuela R., Ramos V., and Olivares L. Selective flotation of enargite and chalcopyrite. Minerals 48 203 (1993) 33-39
17. Mihajlovic I., Strbac N., Zivkovic Z., Kovacevic R., and Stehernik M. A potential method for arsenic removal from copper concentrates. Minerals Engineering 20 (2007) 26-33
18. 2 media. Hydrometallurgy 80 (2005) 272-279
19. Padila R., Fan Y., Sanchez M., and Wilkomirsky I. Processing high arsenic copper concentrates. In: Sanchez M.A., Vergara F., and Castro S.H. (Eds). Environment, Innovation in Mining and Mineral Technology vol. 2 (1998), University of Conception, Chile 603-612
20. Pauporté Th., and Schuhmann D. An electrochemical study of natural enargite under conditions relating to those used in flotation of sulfide minerals. Colloids and Surfaces A: Physicochemical and Engineering Aspects 111 (1996) 1-19
21. Senior G.D., Guy P.J., and Bruckard W.J. The selective flotation of enargite from other copper minerals - a single mineral study into relation to beneficiation of the Tampakan deposit in the Philippines. International Journal of Mineral Processing 81 (2006) 15-26
22. Tongamp W., Takasaki Y., and Shibayama A. Arsenic removal from copper ores and concentrates through alkaline leaching in NaHS media. Hydrometallurgy 98 (2009) 213-218
23. Viñals J., Roca A., Hernández M.C., and Benavente O. Topochemical transformation of enargite into copper oxide by hypochlorite leaching. Hydrometallurgy 68 (2003) 183-193
24. 4). Hydrometallurgy 62 (2001) 165-173