Methods of Filtration
Filters use sieving, adsorption, ion exchanges and other processes. Unlike a sieve or screen, a filter can remove particles much smaller than the holes through which the water passes.
Read more about this topic: Water Filter
Famous quotes containing the words methods of and/or methods:
“If men got pregnant, there would be safe, reliable methods of birth control. They’d be inexpensive, too.”
—Anna Quindlen (b. 1952)
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—Bruno Bettelheim (20th century)