Removal of cyanide in Ni

Cyanide is found as free cyanide and metalcyanide complexes in metal finishing rinse wastewaters. Experiments were performed to seek removal of cyanide in Ni(II)-cyanide and Ni(II)-cyanide-ethylenediaminetetraacetate (EDTA) solutions by the environmentally friendly oxidant, ferrate(VI) (Fe[O.sub.4.s...

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Veröffentlicht in:	Water, air, and soil pollution air, and soil pollution, 2011-07, Vol.219 (1-4), p.527
Hauptverfasser:	Osathaphan, Khemarath, Tiyanont, Patarawan, Yngard, Ria A, Sharma, Virender K
Format:	Artikel
Sprache:	eng
Schlagworte:	Cyanides Toy industry Wastewater
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Cyanide is found as free cyanide and metalcyanide complexes in metal finishing rinse wastewaters. Experiments were performed to seek removal of cyanide in Ni(II)-cyanide and Ni(II)-cyanide-ethylenediaminetetraacetate (EDTA) solutions by the environmentally friendly oxidant, ferrate(VI) (Fe[O.sub.4.sup.2-], Fe(VI)) as a function of pH (8.0-11.0). Incomplete removal of cyanide in Ni(II)-cyanide solutions (
ISSN:	0049-6979
DOI:	10.1007/s11270-010-0725-1