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References (9)
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- Publisher
- Springer Journals
- Copyright
- Copyright © 2002 by Kluwer Academic Publishers
- Subject
- Chemistry; Biotechnology; Organic Chemistry; Bioorganic Chemistry; Biochemistry, general; Microbiology; Animal Anatomy / Morphology / Histology
- ISSN
- 0141-5492
- eISSN
- 1573-6776
- DOI
- 10.1023/A:1015010417315
- Publisher site
- See Article on Publisher Site
Abstract
Two patterns of solubilization of metal ions resulting from bioleaching of sewage sludge by sulphur-oxidizing Thiobacillus spp. were established as a function of pH. Chromium and copper ions required a pH of 2–3 to initiate their solubilization, whereas nickel and zinc ions had their solubilization initiated at pH 6–6.5. The patterns obtained were independent of the sludge solids concentrations investigated (10, 17, 25, 32.5 and 40 g l−1).
Journal
Biotechnology Letters – Springer Journals
Published: Oct 10, 2004