Reverse Osmosis

Reverse osmosis is a process by which a solvent passes through a porous membrane in the direction opposite to that for natural osmosis when subjected to a hydrostatic pressure greater than the osmotic pressure.

Reverse osmosis is a special type of filtration that uses a semi-permeable, porous membrane, that allows only pure water to pass through it, filtering the larger molecules or impurities

In layman’s terms reverse osmosis is a way of purifying water with the use of a filter (a membrane). The particles in the water are left on the other side of the sheet, while the water travels through it. The main use is for purifying salt water, but it can also be used to purify other substances.

There are some contaminants not removed from water by RO systems. These include dissolved gases such as hydrogen sulfide, a common nuisance contaminant with characteristic rotten egg odor, which passes through the RO membrane