Removal of hexavalent chromium anions from solutions by pyrite fines

 
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Removal of hexavalent chromium anions from solutions by pyrite fines

Matis, Konstantinos
Kydros, K.A.
Zoumpoulis, Anastasios

Bench scale experiments were conducted in the laboratory, aiming to the removal of hexavalent chromium fi:om aqueous solutions, by dispersed pyrite fine particles. Pyrite (iron sulphide mineral), was found to act as an efficient Cr(VI) reducing agent. The resulted hydroxo-Cr(III) species were found to be precipitated (and removed) onto the pyrite particles. The process mechanism was also examined by z-potential measurements and speciation studies. Promising results were obtained at highly acidic pH values (around 1-2), showing an interesting aspect of fine (solid waste) mineral particles utilization, in the removal of a priority pollutant.

Article / Άρθρο
info:eu-repo/semantics/article

Tailings reuse wastewater treatment
Cr(VI) removal
Pyrite fine particles mineral processing wastes

Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (EL)
Aristotle University of Thessaloniki (EN)

Αγγλική γλώσσα

1995
2009-07-10T09:55:48Z


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Θετικών Επιστημών, Τμήμα Χημείας

Water Research, vol.29 no.7 [1995] p.1755-1760 [Published Version]
urn:ISSN:00431354

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info:eu-repo/semantics/openAccess



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