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This lecture covers the thermal treatment of waste, focusing on UVTD technology and energy recovery processes. It discusses heat treatments, residue management, fume treatment, and energy extraction methods. The instructor explains the importance of neutralization, heavy metal removal, and the recovery of valuable materials like zinc. Various techniques such as acid washing, electrolysis, and leaching are explored in detail. The lecture also delves into denitrification processes, dust removal methods, and the efficient utilization of waste energy. The presentation concludes with a discussion on the energy efficiency of UVTD systems and the challenges in waste incineration.