Sewage Treatment, A Dirty Job
In Sewage Treatment, A Dirty Job, presenter Cherry Healey visits the sewer pipes and a wastewater treatment plant in Brighton to learn exactly what happens after we flush the toilet. Learn various techniques, from egg-shaped pipes to bacteria turning sewage into water that can be returned to the environment. This video is excerpted from BBC’s Inside the Factory, a series that takes viewers behind the scenes in the factories that make our favorite products.
Paddy McGuinness and Cherry Healey hit factory floors across Britain for a snoop around their supersized production lines. Learn more.
Lesson Express
Q: What do the large sewer tunnels do?
A: They transport sewage and start to break it down.
Q: How does the shape of the sewer tunnels impact the sewage?
A: The egg shape of the tunnels creates turbulence and breaks the material down.
Q: What did you learn about water treatment?
A: Student responses will vary.