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


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2001-11

AUTHORS

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

ABSTRACT

A three-stage fluidizing-bed process consisting of chlorination, selective oxidation and sulfur chloride conversion was tested for processing chalcopyrite concentrate. It was found that the use of excess oxygen was essential for the stable operation of the oxidation reactor. The excess-oxygen gas inevitably causes the oxidation of the sulfide concentrate in the chlorination and sulfur chloride conversion reactors. A new flowsheet is proposed to separate the chlorination and selective oxidation steps with separate flow paths of the fluidizing gases, thereby, preventing the passage of excess-oxygen gas in the chlorination and sulfur chloride conversion reactors. The feasibility of the proposed flowsheet was demonstrated in a laboratory-scale fluidizing bed setup. More... »

PAGES

209-214

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf03403252

DOI

http://dx.doi.org/10.1007/bf03403252

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1108037686


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