Bioleaching of sewage sludge for copper extraction using Acidithiobacillus thiooxidans: Optimization and ecological risk assessment

Bioleaching of sewage sludge for copper extraction using Acidithiobacillus thiooxidans: Optimization and ecological risk assessment

In this study, Acidithiobacillus thiooxidans was used for the bioleaching of copper (Cu) from sewage sludge. In order to find optimization conditions, three factors including solid-to-liquid ratio (S/L) (0.01-0.2 %(w/v)), initial element sulfur (S0) (1–10 g/L), and initial pH (1–3) have been investi...

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Veröffentlicht in:Chemosphere (Oxford) 2024-04, Vol.353, p.141466-141466, Article 141466
Hauptverfasser: Rastegar, S.O., Samadi, A., Ahmadnezhad, P., Nazari, T.
Format: Artikel
Sprache:eng
Schlagworte:
Acidithiobacillus thiooxidans
Bioleaching
Germination
Optimization
TCLP
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Zusammenfassung:In this study, Acidithiobacillus thiooxidans was used for the bioleaching of copper (Cu) from sewage sludge. In order to find optimization conditions, three factors including solid-to-liquid ratio (S/L) (0.01-0.2 %(w/v)), initial element sulfur (S0) (1–10 g/L), and initial pH (1–3) have been investigated. Based on response surface methodology (RSM) determined a significant reduced quadratic model with a p-value of 0.0022 (
ISSN:0045-6535
1879-1298
DOI:10.1016/j.chemosphere.2024.141466