Document
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Flotation and depression control of arsenopyrite through pH and pulp redox potential using xanthate as the collector
origen: scopus
page end: 34
type: Thing
type: Document
has funding vehicle: Consejo Nacional de Ciencia y Tecnología, CONACYT: U39536-Y
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type: Continuant
related by: authorship 9438
abstract: The role of pH and pulp redox potential (EH) to control the flotation and depression of arsenopyrite has been investigated through studies on microflotation of arsenopyrite crystals and batch flotation of an arsenopyritic ore using isopropyl xanthate as collector. The transition between flotation and depression of arsenopyrite is established by the reversible potential of the xanthate/dixanthogen couple. Adsorption of arsenate ions on ferric hydroxide has been studied through electrokinetics to delineate mechanisms involved in the depression of arsenopyrite using oxidants. Chemical binding between arsenate species and ferric hydroxide sites on arsenopyrite is suggested as the mechanism responsible for depression of arsenopyrite. EH conditions are given for the flotation and depression of arsenopyite at various pH values for the arsenopyritic ore. © 2006 Elsevier B.V. All rights reserved.
volume: 81
freetext keyword: Adsorption mechanisms; Arsenic removal; Arsenopyrite; Electrokinetics; Flotation; Mineral processing Adsorption; Arsenic; Crystallography; Flotation; Ions; pH effects; Redox reactions; Arsenic removal; Arsenopyrite; Electrokinetics; Mineral processing; Pyrites
doi: 10.1016/j.minpro.2006.06.003
type: Information Content Entity
related by: authorship 9439
has publication venue: International Journal of Mineral Processing
e iscopus: 2-s2.0-33748772530
page start: 27
date time value: article date 1558
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estado: published
most specific type: Article
related by: authorship 9437
type: Generically Dependent Continuant
related by: authorship 9440
most specific type: Document
issue: 1
crisid: 1558

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International Journal of Mineral Processing
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publication venue for: Flotation and depression control of arsenopyrite through pH and pulp redox potential using xanthate as the collector
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Generically Dependent Continuant
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Consejo Nacional de Ciencia y Tecnología, CONACYT: U39536-Y
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funding vehicle for: Flotation and depression control of arsenopyrite through pH and pulp redox potential using xanthate as the collector

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