The Matten Super Flux R.O. System is best suited for water
treatment operations requiring ultra-pure water and water
recovery ratios greater than 90%. The equipment is
compact, skid-mounted, and modular for simple expansion.
Operations are automated and simple.
Typical reverse osmosis (RO) water treatment systems can
be costly and difficult to operate. Membranes may foul
easily and require replacement, organics in the feed water
are only moderately rejected, and costly anti-scalant
additions and activated carbon pre-treatment are often
required. Conventional RO systems typically exhibit a low
operating flux and a product water recovery of only 75%.
The Matten Super Flux is essentially immune to fouling
due to high operating pH of the reverse osmosis step, thus
extending the membrane life and increasing the operating
flux by up to two times that of conventional RO. It exhibits
a higher rejection of organics, does not require anti-scalant
additions, and has a product water recovery of up to 95
percent.
PROCESS DESCRIPTION
The Matten Super Flux R.O. System uses three steps before reverse osmosis (RO):
- CATION EXCHANGE
Weak acid cation (WAC) exchange resin is used to remove sodium and hardness associated with alkalinity. Other cations (such as copper, barium, iron, manganese and zinc) are also removed. In this step, the bicarbonate alkalinity in the water is converted to carbon dioxide. - DEGASIFICATION
After the WAC ion exchange treatment, the water is passed through a counter -current air stripper (membrane degasifier) to remove the carbon dioxide created in the WAC ion exchange process. This step removes the buffering capacity of the water, thereby minimizing caustic additions in the next step. - CAUSTIC ADDITION
In the high pH RO step, a small amount of caustic is used to increase the pH prior to treatment.
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