Write notes on ultra filtration
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Reverse osmosis is the reversal of the natural flow of osmosis. It occurs when the water is moved across the membrane against the concentration gradient, from higher concentration to lower concentration.
A pressure can be applied to the concentrated solution which is greater than that of the osmotic pressure. The direction of water passage through the membrane is reversed and the process that is called reverse osmosis.
Reverse osmosis (RO) is a pressure driven membrane separation process that separates dissolved and suspended substances from water. The membrane acts as a selective barriers, removing unwanted substances such as salt, producing water safe for drinking.
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