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filtration
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filtration water treatment plant filtration
Uncover the science behind the graphene membranes for desalination of water
filtration tertiary treatment of wastewater
Can reed beds clean contaminated groundwater?
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Videos

Uncover the science behind the graphene membranes for desalination of water
Membranes of nanoporous graphene can be used to desalinate water. Water molecules...
Video: © Massachusetts Institute of Technology (A Britannica Publishing Partner)
Can reed beds clean contaminated groundwater?
Learn about experiments that use plants, notably reeds, to filter pollutants from...
Video: Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Tt/Dreamstime.com

Images

filtration
Tap water filtration system.
© discpicture/Shutterstock.com
water treatment plant
Water from inlets located in the water supply, such as a lake, is sent to be mixed,...
Encyclopædia Britannica, Inc.
filtration
An air conditioner filtration screen.
© Cyril Comtat/Fotolia
filtration
Industrial water filtration equipment.
© HamsterMan/Shutterstock.com
tertiary treatment of wastewater
(Left) During the filtering step, wastewater from secondary treatment, still containing...
Encyclopædia Britannica, Inc.
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