Extraction of copper from chalcopyrite concentrates without sulfuric acid generation via chlorination View Full Text


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Article Info

DATE

2000-11

AUTHORS

T. Tamagawa, N. X. Fu, M. Kobayashi, I. Iwasaki

ABSTRACT

A low-temperature-chlorination selective oxidation followed by aqueous chloride leaching and SX-EW for producing electrolytic copper, elemental sulfur and ferric oxide was investigated for hydrometallurgical processing of a chalcopyrite concentrate. In this article, the selective oxidation phase of the process is described. The selective oxidation requires a temperature well above the CuCl-FeCl3 eutectic points. The test procedure was developed with a batch reactor and then tested with a continuous reactor. The process was initiated by adding small amounts of chlorinated samples to a fluidizing bed of dead-roasted sulfide concentrate micropellets. The selectively oxidized samples thus prepared were shown to fully dissolve copper, while virtually all the iron remained undissolved. More... »

PAGES

264-268

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf03403244

DOI

http://dx.doi.org/10.1007/bf03403244

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1108035371


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