Evaluation of Heavy Metals Influence on Biogas Production

  • Ernestas Zaleckas Aleksandros Stulginskio universitetas
  • Egle Sendžikienė Aleksandros Stulginskio universitetas
  • Rūta Čiutelytė Aleksandros Stulginskio universitetas
Keywords: biogas, heavy metal, methane, digestion, organic matter

Abstract

Heavy metals play a very significant role in the performance and stability of biogas digesters, which are operated with organic fraction of municipal solid wastes or any other type of organic waste. For this reason this paper tries to evaluate the impact of heavy metals on biogas yield and quality. Anaerobic digestion of sewage sludge and rapeseed cake mixture has been carried out for 14 days. The obtained data show that the greatest negative impact on biogas production was made by zinc additive. Meanwhile, methane content in biogas varied from 64.5 to 70%.

DOI: http://dx.doi.org/10.5755/j01.erem.62.4.2040

Author Biographies

Ernestas Zaleckas, Aleksandros Stulginskio universitetas
j.m. d., dr.
Egle Sendžikienė, Aleksandros Stulginskio universitetas
vyresn.m. d., dr.
Rūta Čiutelytė, Aleksandros Stulginskio universitetas
j.m.d.
Published
2012-12-14
Section
Articles