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Biodegradation of Sewage Sludge: Toxic Effects of Heavy Metals

Environmental Management and Health

ISSN: 0956-6163

Article publication date: 1 April 1992

Abstract

Investigates the fate and toxicity of continuous feeding with increasing dosage of heavy metal ions – Cu, Pb, Zn, Cr(VI) – on biogas production from anaerobic digestion of sewage sludge. The efficiency of the system (as measured by biogas production and volatile organic matter removal rate) was reduced for about 35 days before returning to a steady state with the toxicity ranking Cu > Cr (VI) > Pb >Zn. Also looks at the effect of two “pulse” doses of the metals.

Keywords

Citation

Nasr, F.A. and Abdel Shafy, H.I. (1992), "Biodegradation of Sewage Sludge: Toxic Effects of Heavy Metals", Environmental Management and Health, Vol. 3 No. 4, pp. 18-25. https://doi.org/10.1108/09566169210018187

Publisher

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MCB UP Ltd

Copyright © 1992, MCB UP Limited