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The surface oxidati...
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Ahlberg, E.Department of Inorganic Chemistry, Chalmers University of Technology;University of Göteborg
(författare)
The surface oxidation of pyrite in alkaline solution
- Artikel/kapitelSvenska1990
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:ltu-10103
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-10103URI
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https://doi.org/10.1007/BF01019585DOI
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Språk:svenska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Godkänd; 1990; 20091117 (andbra)
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The collector-less flotation of pyrite has been studied by conventional techniques and is correlated to the electrochemical behaviour of pyrite in alkaline solution (1m NaClO4, pH 11). It was concluded that the initial oxidation of pyrite produces a hydrophobic sulphur rich surface together with hydrophilic iron hydroxide species. Also upon grinding, the surface is covered by hydrophilic species and therefore no significant flotation was obtained in the absence of a collector. However, collectorless flotation was readily obtained in an iron complexing solution like EDTA. This indicates that the remaining sulphur-rich layer is responsible for the floatability of pyrite under these conditions.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Forssberg, K. S. EricLuleå tekniska universitet,Industriell miljö- och processteknik(Swepub:ltu)erfo
(författare)
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Wang, XianghuaiLuleå tekniska universitet
(författare)
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Department of Inorganic Chemistry, Chalmers University of Technology;University of GöteborgIndustriell miljö- och processteknik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Applied Electrochemistry20:6, s. 1033-10390021-891X1572-8838
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