Resource Recovery and Sludge Disposal

This lecture covers the treatment of wastewater solids, focusing on resource recovery and disposal of sludge. It explains the process of dewatering to separate solids from water, the challenges of treating liquid streams with pollutants like ammonia and phosphorus, and the importance of recovering nutrients like phosphorus for fertilizers. The instructor discusses different methods of sludge disposal, including incineration and land application, highlighting the need for phosphorus recovery due to its essential role in food supply. Various technologies for phosphorus recovery are explored, emphasizing the complexity, challenges, and potential benefits of these processes.