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Design and analysis of a solar reactor for anaerobic wastewater treatment

Chrysikopoulos Constantinos

Πλήρης Εγγραφή

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Περίληψη

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

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