Reverse osmosis is a system used around the world to purify the water and remove its contaminants in order to help improve water for cooking, drinking, and other important uses. Moreover, it can also be used to produce hydrogen on a small scale. The reverse osmosis process is more economical for concentrating food liquids (such as fruit juices) than conventional heat-treatment processes. It decreases the operating cost and avoids the complicated heat treatment process. It can be used to produce whey protein powders in dairy industry.
