Bacterial oxidation of ferrous iron by Acidithiobacillus ferrooxidans in the pH range 2.5-7.0

Author	dc.contributor.author	Meruane, Gabriel
Author	dc.contributor.author	Vargas Valero, Tomás	es_CL
Admission date	dc.date.accessioned	2007-06-04T16:10:27Z
Available date	dc.date.available	2007-06-04T16:10:27Z
Publication date	dc.date.issued	2003-10
Cita de ítem	dc.identifier.citation	HYDROMETALLURGY 71 (1-2): 149-158 OCT 2003	en
Identifier	dc.identifier.issn	0304-386X
Identifier	dc.identifier.uri	https://repositorio.uchile.cl/handle/2250/124647
Abstract	dc.description.abstract	The oxidation of ferrous iron by Acidithiobacillus ferrooxidans in the pH range 2.5-7.0 was characterized. In order to measure the rate of bacterial oxidation of ferrous iron with A. ferrooxidans in this high pH range, a novel experimental methodology was developed. The results showed that the inhibition of ferrous iron oxidation activity by A. ferrooxidans observed at pH values above 3.0 is partially linked to the formation of ferric iron precipitates, which apparently hinder transport processes on the cell surface. By carefully controlling the amount of iron precipitates formed during the oxidation of ferrous iron in this pH range, enhanced bacterial activity was obtained.	en
Lenguage	dc.language.iso	en	en
Publisher	dc.publisher	ELSEVIER	en
Keywords	dc.subject	THIOBACILLUS-FERROOXIDANS	en
Título	dc.title	Bacterial oxidation of ferrous iron by Acidithiobacillus ferrooxidans in the pH range 2.5-7.0	en
Document type	dc.type	Artículo de revista