Water Technology Lecture 9: Natural Wastewater Treatment Systems

Abstract

This is the ninth lecture in the course Water Technology dealing with natural treatment systems. This is a PowerPoint lecture which is free to use and modify. It was designed to be used in conjunction with the course text Gray, N.F. (2017) Water Science and Technology: An Introduction, published by CRC Press, Oxford. In the lecture the following are explored: Natural treatment systems, sustainable treatment, Land treatment, wetlands, constructed wetlands, reed beds, stabilization ponds, anaerobic lagoons, oxidation ponds, maturation ponds, facultative ponds, river purification lakes, plants, duckweed, fish ponds, fish culture.