Energy & Green Tech

Harnessing the sun to purify concentrated waste streams

Reverse osmosis is one of the most common methods for purifying saline water, but the process produces limited results. About 20% to 50% of the water that enters the system remains as a concentrated waste stream.

Energy & Green Tech

Simple, solar-powered water desalination

A completely passive solar-powered desalination system developed by researchers at MIT and in China could provide more than 1.5 gallons of fresh drinking water per hour for every square meter of solar collecting area. Such ...

Energy & Green Tech

Ocean desalination plant capable of fresh water daily

A desalination plant in Carlsbad, California, has started regular operations. The desalination plant conducted test runs leading up to the scheduled start of normal operations.

page 1 from 2