Anaerobic digestion or chemical stabilization how to select?
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Abstract
Sewage Treatment Plant (STP) Sludges need stabilization before final disposal. The present paper compares two sludge treatment processes: Anaerobic digestion and chemical stabilization using lime. Features such as initial investments, energy costs, operating personnel, sludge disposal, maintenance and chemicals were compared for the sludge output of a 3.300 L/s. Conventional Activated Sludge Treatment Plant treating domestic sewage flow. Careful consideration has been given to the following items before process selection: Initial investment costs, Treatment process characteristics, Daily quantities of sludge to be treated
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[1]
Senra Álvares da Silva, M.O. 2009. Anaerobic digestion or chemical stabilization how to select?. Revista AIDIS de ingeniería y ciencias ambientales: Investigación, desarrollo y práctica. 2, 1 (Oct. 2009), 108–124.