Affordable Water Treatments of Manitoba

Reverse Osmosis

HOW DOES REVERSE OSMOSIS WORK?

Reverse osmosis systems purify water by forcing pressurized water through a very fine, plastic membrane. Clean water passes through and impurities that are too big to pass through the membrane are left behind and flushed away.

STAGES OF REVERSE OSMOSIS

  1. During the initial filtration stage, tap water or well water (pressurized by a booster pump) is passed through a particle filter (a pre-filter) that removes silt, sediment, sand, and clay particles that might clog the R/O membrane.

  2. The water is then forced through an activated carbon filter that traps minerals and contaminants such as chromium, mercury, copper, chloramine and pesticides. It also removes chlorine, which is important, as chlorine will shorten the life of the membrane.

  3. Water is transferred under pressure into the R/O module, allowing only clean water to pass through the small pores in the membrane. Impurities unable to pass through the membrane are left behind and flushed down the drain.

  4. Treated water is then sent to a storage tank.

  5. Treated water is passed through an activated carbon filter before use to further improve the water’s taste and smell.

Water that contains manganese, hydrogen sulphide or iron should be pre-treated to extend the life of the membrane. A dealer can recommend the pre-treatment needed.

WHAT ARE THE BENEFITS OF REVERSE OSMOSIS?

Reverse osmosis can remove dissolved solids, salts, minerals that cause hardness, organic chemicals and other impurities. It can improve the taste of water for people who do not like the taste of dissolved mineral solids.

Treated water will not produce scale in kettles and coffee makers. Because sodium and potassium are removed, people on a medically prescribed sodium- or potassium-restricted diet may benefit. R/O units may also remove contaminants such as chromium, mercury and nitrates.