Impact of thermal treatment on metal in sewage sludge from the Psittalias wastewater treatment plant, Athens, Greece.

This paper describes a laboratory study that examined the effect of thermal treatment at four different temperatures on the behavior of heavy metals in the anaerobically treated primary sludge from the Psittalias wastewater treatment plant. The sewage sludge was found to contain significant amounts of heavy metals (Cr, Cu, Fe, Ni, Pb and Zn). The metal form… CONTINUE READING