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water solutions
water solutions
water solutions
water solutions
water solutions
water solutions
water solutions
water solutions
 

Water Solutions - RO
 
Reverse Osmosis (commonly abbreviated to RO) is a physical process that allows dissolved salts to be removed by forcing water to pass through a semi-permeable membrane. The permeate or product water passes through the membrane, while the dissolved solids, the particles and organic matter which are unable to pass through the membrane are conveyed to drain as concentrate or reject water.

The RO process can perform two quite different tasks in the treatment of raw water:

RO will remove from 90 – 98 per cent of all dissolved salts in raw water, the removal largely depending on the type of membrane used. RO can also be used to remove large dissolved organic molecules, all colloids and suspended matter and micro-organisms.
 
In removing salts, RO does the same job as ion exchange but with a less pure product. With ordinary potable water quality as a starting point, RO is rarely economical for commercial applications and ion exchange is normally used for demineralisation.

On the other hand the ability of RO to remove all large molecules and all particles make it a useful stage in the production of ultra pure water. It is frequently used, for example in the electronics industry to remove organic and colloidal material from raw water prior to the washing of microchips.

What Reverse Osmosis Treats
RO equipment can treat a wide variety of aesthetic elements that can cause unpleasant taste, colour, and odour problems like a salty or soda taste caused by chlorides or sulphates.

While RO membranes typically remove virtually all known micro-organisms and most other health contaminants, design considerations may prevent a unit from offering total protection when incorporated into a consumer drinking water system. Care should therefore be taken to ensure the water is of a suitable standard prior to use or consumption. It is strongly recommended that a full water analysis be completed by a competent authority regardless of the type of water treatment chosen.