Abstract

This paper presents the methods for recovery of treated sludge: technological valorisation, agricultural valorization, energy recovery, gasification, pyrolysis, supercritical oxidation of water, obtaining the material for plastering, obtaining bricks. These technologies are biology-based technologies (advanced anaerobic digestion strategies and bio-drying) and heat-based technologies (gasification, pyrolysis and supercritical water processing). Keywords: treated sludge, agricultural recovery, energy recovery

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