Enhancement of Waste Activated Sludge ( WAS ) anaerobic digestion by means of pre-treatments and intermediate treatments


The consolidated fate of the excess of waste activated sludge (WAS) generated in conventional biological wastewater treatment processes is anaerobic digestion (AD). Several studies have demonstrated the efficiency of different typologies of pre-treatments in liberating the intra-cellular organic substances and make them more available for AD. However, the… (More)

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