Food Engineering

Reverse osmosis RO

A filtration method that pushes water through a very fine membrane under pressure, removing dissolved salts, minerals, and other impurities.

Real-life application

The RO water purifier common in Indian homes and offices uses this exact principle to produce cleaner drinking water from tap or borewell water.

Related terms

The natural movement of water from a less concentrated solution to a more concentrated one, through a membrane, without needing outside energy.

Removing part of the water from a liquid food, usually by evaporation, to make it thicker and reduce its volume for storage or transport.

Practise the subject behind the definition.