Friday, May 19, 2006

Reverse Osmosis

Common use for Reverse osmosis is in purifying water where it produces water, which is in demand at all, places. One of the finest filtration under Reverse Osmosis is Hyper Filtration, where the removals of particles are as small as ions. In this Process, water gets purified and the various salts and other impurities are removed to improve the Properties of fluid, its taste as well as color.

Reverse osmosis occurs when the water is moved across the membrane against the concentration gradient, from lower concentration to higher concentration. It thus purifies water by ejecting out fluids, inorganic chemicals such as nitrates, calcium, and magnesium, other ions and contaminants.

It uses a semi-permeable membrane, allowing the fluid that is being purified to pass through it. Most of the reverse osmosis technology procedures undergoes a cross flow Process to allow the membrane to clean itself periodically. As some of the fluid gets rested in downstream, continuous cross-flow process helps or sweeps out the rejected species away from the membrane.

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