School of Civil and Enuironmental Engineering;
Science and Engineering Faculty;
Queensland University oTechnology;
Brisbane;
Queensland 4000;
Australia;
Institute for Future Environments and School of Mechanical;
Medical and Process Engineering;
Queensland Uniuersity of Technology;
Brisbane;
Queensland 4000;
Australia;
Alum sludge; Zeolite LTA; Ultrasonic; Ageing; Waste conversion;