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Reverse Osmosis Water Filtration Process
REVERSE OSMOSIS PROCESS

The reverse-osmosis process works by forcing water under pressure through a special synthetic material called semipermeable membrane.

This membrane attracts water molecules and repels dissolved impurities, including bacteria and viruses, even those smaller than the water molecules themselves.

Reverse Osmosis Product Range
Clean water is one of the most important needs of our bodies.
According to research articles and news we have reached a point that all sources of our drinking water, including municipal water systems, wells, lakes, rivers, and even glaciers, contain contaminants ranging from naturally-occurring minerals to man-made chemicals and by-products.
While many contaminants are found at levels not enough not to cause immediate discomfort or sicknesses, it is proven that even low-level exposure to many common contaminants will, over time, cause severe illness including liver damage, cancer, and other serious ailments.
Even the chemicals commonly used to treat municipal water supplies such as chlorine and fluoride are toxic and are known to have significant adverse effects on the human body
.
Purestream includes both a 3 and 4 stage reverse osmosos.
The following shows how a 4 stage works .... our 3 stage has the chemical pre filtration only
.

Stage 1 - Sediment Prefiltration - The purifying process begins with a 1 micron cartridge that traps dirt, rust, mud, hair as that can affect the taste and appearance of water, whilst protecting the RO membrane from fouling and abrasion.

Stage 2 - Chlorine Prefiltration includes a 5 micron chemical removal cartridge to ensure no chemical deterioration of membrane from residual chlorine.

Stage 3 - Membrane Process
This is the primary component of `Purestream' RO purifiers and features the latest technology TFC membrane that can separate up to 98% of dissolved metals and minerals from ordinary tap water. Purestream RO membranes are capable of rejecting ionic contaminants down to five angstroms in size (One angstrom is one ten millionth the size of a millimetre.)

Contaminant Rejection system
Another unique feature of RO membranes is that they are mostly self cleaning. Your Purestream purifier has been designed and constructed by skilled specialists and the RO process will reject and flush down the drain the contaminants that would otherwise enter your body. If required this waste water can be easily diverted for washing machine or garden use.

Stage 4 - Reduction of Volatile Organic Contaminants
While the RO process will reject incredibly small contaminants, it must at the same time be sufficiently permeable to allow hydrogen and oxygen to pass through. As a result, some gaseous and low molecular weight chemicals and cancer causing compounds such as chloroform pass through the membrane.
These potentially dangerous contaminants are effectively reduced by the Purestream chemical reduction and water polishing final filter carbon cartridge.

Copyright 2006 Purestream Water Filters. All Rights Reserved.
Aeon Consumerable Products -
P O Box 130 Southport BC 4215 - Ph 1300 888 429 . Fax 61 7 55 914 394
E.Mail:aeoncp@purestreamwaterfilters.com.au