Effect of ultrasound, low-temperature thermal and alkali treatments on physicochemical and biological properties of waste activated sludge 

    Ruiz Hernando, María (Date of defense: 2015-06-17)

    The development of treatment processes to reduce or reuse sewage sludge is crucial for a proper environmental management. Segregating primary from secondary sludge allows for better reuse of secondary sludge, since digested ...