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- Title
Powdered activated carbon added biological treatment of pre-treated landfill leachate in a fed-batch reactor.
- Authors
Kargi, Fikret; Pamukoglu, M. Yunus
- Abstract
Biological treatment of landfill leachate usually results in low treatment efficiencies because of high chemical oxygen demand (COD), high ammonium-N content and also presence of toxic compounds such as heavy metals. A landfill leachate with high COD content was pre-treated by coagulation-flocculation followed by air stripping of ammonia at pH = 12. Pre-treated leachate was biologically treated in an aeration tank operated in fed-batch mode with and without addition of powdered activated carbon (PAC). PAC at 2 g l-1 improved COD and ammonium-N removals resulting in nearly 86% COD and 26% NH4-N removal.
- Subjects
LEACHATE; LEACHING; HEAVY metals; ACTIVATED carbon; NITROGEN compounds; HYDROGEN-ion concentration
- Publication
Biotechnology Letters, 2003, Vol 25, Issue 9, p695
- ISSN
0141-5492
- Publication type
Article
- DOI
10.1023/A:1023456116291