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- Title
Evaluation of interactions among sewage sludge bioavailable metals from WWTPs using DTPA agent.
- Authors
Giannakopoulos, Evangelos; Kalavrouziotis, Ioannis K.; Dimitrelos, Hlias; Koukoulakis, Prodromos H.; Varnavas, Soterios P.; Papadopoulos, Frantzis
- Abstract
The diethylenetriaminepentaacetic acid extractable metal concentration, i.e., of Fe, Zn, Cu, Mn, Cd, Cr, Co, Ni, Pb, in the sewage sludge from six (6) municipal wastewater treatment plants (WWTPs) of Central Greece was evaluated. Also the elemental interactions occurring in the sludge and their quantitative contribution in heavy metals were studied according to the geographical grouping of the WWTPs in coastal and continental zone. Statistical analysis (ANOVA) between elemental interactions and quantification of their contribution in terms of heavy metals showed a significant difference in available metals between the above zones. Based on the quantification data of the interactions elemental contribution, it was found that more heavy metals were contributed to the sludge of the continental zone than to that of the coastal, due to the fact that more antagonistic interactions occurred in the coastal than in the continental zone.
- Subjects
CENTRAL Greece &; Euboea (Greece); SEWAGE sludge; SEWAGE disposal plants; HEAVY metals; METALS; DIETHYLENETRIAMINEPENTAACETIC acid; SEWAGE irrigation
- Publication
Desalination & Water Treatment, 2017, Vol 71, p25
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2017.20436