Visit the Becton Sewage Treatment Works—one of Europe’s biggest plants—which processes sewage from 3.4 million Londoners into water clean enough to return to the […]
Learn the basics about water treatment, as a part of environmental chemistry. Human beings have added to the natural water cycle by taking water […]
Find my revision workbooks here: https://www.freesciencelessons.co.uk/workbooks/shop/ In this video, we look at how to waste water is treated before it is released back into […]