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dc.contributor.authorAvelar, Erica
dc.contributor.authorEvans, Cathy
dc.contributor.authorDunne, Rob
dc.contributor.authorRunge, Kym
dc.contributor.authorManlapig, Emmy
dc.date.accessioned2021-11-22T03:52:37Z
dc.date.available2021-11-22T03:52:37Z
dc.date.issued2021
dc.identifier.citationAvelar, E. and Evans, C. and Dunne, R. and Runge, K. and Manlapig, E. 2021. The effect of pH and collector dosage on the flotation performance of arsenopyrite and pyrite. In: WorldGold, 16th Aug 2021, Online.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/86545
dc.description.abstract

Flotation reagent schemes applied to both greenfield projects and brownfields gold operations are derived from extensive bench scale testwork programs targeted at maximising the recovery of gold and gold-bearing minerals at an acceptable grade for downstream processing. The reagent schemes developed are specific to the ores tested and can vary greatly. A literature review shows xanthate dosages from 5 to 600 g/t have been applied as collectors for bulk flotation of gold-bearing sulfide minerals at a pH range from 3 to 11. Research shows pH influences the formation of dixanthogen and pyrite oxidation, consequently affecting the contacting angle and pyrite hydrophobicity, likewise increasing xanthate dosage promotes pyrite hydrophobicity by changing the contact angle resulting in increased pyrite recovery. This research involves performing experiments according to a Central Composite Rotatable Design using a synthetic pyrite and arsenopyrite ore system to identify flotation kinetic changes based on the xanthate dosage and pH of the slurry.

dc.languageEnglish
dc.publisherSAIMM
dc.titleThe effect of pH and collector dosage on the flotation performance of arsenopyrite and pyrite
dc.typeConference Paper
dcterms.source.startPage35
dcterms.source.endPage50
dcterms.source.titleWorldGold Online Conference 2021
dcterms.source.conferenceWorldGold
dcterms.source.conference-start-date16 Aug 2021
dcterms.source.conferencelocationOnline
dc.date.updated2021-11-22T03:52:35Z
curtin.departmentWASM: Minerals, Energy and Chemical Engineering
curtin.accessStatusOpen access
curtin.facultyFaculty of Science and Engineering
curtin.contributor.orcidAvelar, Erica [0000-0002-1421-0696]
dcterms.source.conference-end-date17 Aug 2021


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