Lecture
This lecture covers the treatment and recovery of water and waste, focusing on the ingenious design and historical development of pump systems used in sanitary engineering. It explains the main elements, types, and functions of pumps, including examples like Archimedes' screw and Roman era pumps. The lecture also delves into the technical aspects of different pump designs, such as submerged pumps and multi-stage pumps, highlighting the importance of factors like suction height, atmospheric pressure, and cavitation. Additionally, it discusses the impact of pump speed, pressure drops, and the shape of the wheel on the efficiency and reliability of pump systems.