Study potable water treatment [Aug. 22, 2011, 1:04 p.m.]
Study group on P2PU! http://p2pu.org/en/groups/potable-water-treatment-study-group/
Potable Water Treatment from Open University
Without it we are dead! Water is essential, but what processes must it go through to become fit for human consumption? This unit will guide you through the continuous cycling of water between land, open water surfaces and the sea before moving on to an overview of the water treatment and supply process.