Recent Examples of reverse osmosis from the Web
Typical desalination works through flash heating or reverse osmosis, both of which require huge amounts of energy.
Rincon said consumers should look for filters certified with an NSF 53 seal for the kind that attaches to your faucet, or a reverse osmosis filtration system certified with an NSF 58 seal.
Israel's Ashkelon reverse osmosis plant is the largest, supplying about 13 percent of the country's demand for fresh water.
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