ACO®
Active Catalytic Oxidiser
What is ACO?
ACO® is an Active Catalytic Oxidiser that works by harnessing the natural energy of UV light from the sun to catalyse the formation of free radicals to increase the RedOx potential in the water. Free radicals are the active ingredients of ozone. They oxidise just like chlorine to remove pollutants
but do not form noxious disinfection by-products. ACO® is not consumed in the process, it just makes what happens naturally much more efficient. In chlorinated systems ACO® also protects chlorine from photolysis by sunlight and makes it last three times longer in outdoor facilities. ACO®
does the same as cyanuric acid, but instead of reducing oxidation capacity, ACO® increases the oxidation potential of the water.
Your advantages at a glance
- Fish-Friendly Water Treatment – with ACO®bio for all outdoor biological systems.
- Clearer water – Catalysis of natural UV oxidation of organics in the pool reduces the load on all other filtration equipment..
- Healthier water - In chlorinated systems oxidation by free radicals reduces production of toxic disinfection by-products such as trichloramine, chloroform and cyanogen chloride.
- High efficiency - ACO® extends the half-life of chlorine and peroxide by over 300 %, giving you substantial chemical savings
- no pinniped eye irritation → no cetacean pulmonary irritation → no walrus skin irritation.
How does ACO® work?
Short-wavelength, energy-intensive ultra-violet rays from the sun are converted by ACO® into longer wavelengths. When this energy is released it splits water molecules producing free radicals (hydroxyl radicals and oxygen radicals). These are even more powerful than ozone and can oxidise organic pollutants such as urea and organochloramines completely back to carbon dioxide (CO2), water (H2O) and nitrogen (N2) so, no harmful disinfection by-products, just clean safe water and no trichloramines in chlorinated systems.
Fish Systems
In biofiltered fish and mammal systems ACO® Bio offers similar benefits to ozone use. The natural oxidation capacity generated is similar to that found in surf, rapids or mountain streams and is therefore very safe for the animals. It is equally well suited to external zoo exhibits as to fish ponds and outdoor aquariums.
Chlorinated Systems
Chlorine is protected by conversion of the shortwavelength UV light to a longer wavelength. When ACO® is dosed into the water UV from sunlight helps to reduce chlorine demand and reduces the formation of trichloramine and harmful by-products such as chloroform and cyanogen chloride that are hundreds of times more harmful than combined chlorine.
ACO® is a cationic flocculant, and in combination with APF®, you get a double stage flocculation of both positively and negatively charged particles for even better organics removal.
Less organics → lower chlorine demand → less chlorine consumption → less Disinfection By- Products (DBP‘s):
How to use ACO®
In animal systems ACO® is best dosed continually using a peristaltic pump (Dryden Aqua flocculation pump) after the AFM® filter; the dosage rate, depending on load, is 0.5 - 1.0 ml per m3 of filtered turnover.
We recommend that dosage be doubled during the first month of treatment. Using this amount.
ACO® will take from six to eight weeks before the full effects are apparent.
ACO® can also be dosed manually direct into the bassin.
ACO® → no problem is too large! Perfect for all outdoor Aquatic Zoo animal exhibits
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