Arsenic removal from acidic solutions with biogenic ferric precipitates

[Display omitted] •Continuous and rapid arsenic removal with biogenic jarosite was achieved at pH 3.0.•Arsenic removal was inefficient below pH 2.4 due to reduced Fe–As co-precipitation.•As(V) had better sorption characteristics than As(III).•Biogenic jarosite adsorbed arsenic more effectively than...

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Veröffentlicht in:	Journal of hazardous materials 2016-04, Vol.306, p.124-132
Hauptverfasser:	Ahoranta, Sarita H., Kokko, Marika E., Papirio, Stefano, Özkaya, Bestamin, Puhakka, Jaakko A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Arsenic Arsenic - chemistry Arsenic removal Biogenic jarosite Bioreactors Chemical Precipitation Coprecipitation Ferric Compounds - chemistry Ferric Compounds - metabolism Fluidized-bed reactor Hydrogen-Ion Concentration Iron Iron - metabolism Jarosite pH control Precipitates Precipitation Solutions Sorption Sulfates - chemistry Sulfates - metabolism Water Pollutants, Chemical - chemistry
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