Nanotechnology gives a push to more effective clean water production through forward osmosis

Among various technologies, reverse osmosis membranes have been widely used for water reclamation. However, external energy required and high operational pressure used make reverse osmosis membrane water reclamation processes energy intensive - not exactly an advantage given the rising cost of energy and the negative climate impact of fossil fuels. Today, forward osmosis is a well-recognized osmotic process for producing clean water with a bright future as it uses a natural phenomenon and does not require any operational pressure hence it saves large amount of energy compared with reverse osmosis process. Researchers now describe a novel forward osmosis membrane that presents remarkable properties superior over conventional membrane support layers.

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