Development of an efficient process for the treatment of residual sludge discharged from an anaerobic digester in a sewage treatment plant.


In order to reduce the discharge of residual sludge from an anaerobic digester, pre-treatment methods including low-pressure wet-oxidation, Fenton oxidation, alkali treatment, ozone oxidation, mechanical destruction and enzymatic treatment were evaluated and compared. VSS removal efficiencies of greater than 50% were achieved in cases of low-pressure wet… (More)
DOI: 10.1016/j.biortech.2011.05.030

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