Design and analysis of a solar reactor for anaerobic wastewater treatment

Andreas Ch Yiannopoulos, Ioannis D. Manariotis, Constantinos V. Chrysikopoulos

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

The aim of this research was to design a solar heated reactor system to enhance the anaerobic treatment of wastewater or biological sludge at temperatures higher than the ambient air temperature. For the proposed reactor system, the solar energy absorbed by flat plate collectors was transferred to a heat storage tank, which continuously supplied an anaerobic-filter reactor with water at a maximum temperature of 35 °C. The packed reactor was a metallic cylindrical tank with a peripheral twin-wall enclosure. Inside this enclosure was circulated warm water from the heat storage tank. Furthermore, a mathematical model was developed for the prediction of the temperature distribution within the reactor under steady state conditions. Preliminary results based on model simulations performed with meteorological data from various geographical regions of the world suggested that the proposed solar reactor system could be a promising and environmentally friendly approach for anaerobic treatment of wastewater and biological sludge.

Original languageBritish English
Pages (from-to)7742-7749
Number of pages8
JournalBioresource Technology
Volume99
Issue number16
DOIs
StatePublished - Nov 2008

Keywords

  • Anaerobic filter
  • Biological treatment
  • Municipal wastewater
  • Solar energy
  • Solar water heating

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