Dagua Inc.

Treatment Process Services

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The DaguaFlo solution uses proven and recognized technologies combined with a highly effective ozonation process. Ozone is a natural disinfectant gas manufactured by subjecting ambient air to an electrical field. An exceptionally powerful substance, ozone is known to be considerably more active than chlorine. That is why many major European and North American cities, including Montreal, Los Angeles and Paris , use ozone to treat their drinking water. Over the years, Dagua has developed leading-edge expertise in ozone generation and the diffusion of ozone in water for the development of water treatment systems that deliver unsurpassed performance.

Dagua’s unique patented treatment process involves an innovative combination of ozonation and membrane filtration. Conventional membrane filtration often presents significant technological challenges, including the excessive fouling of membranes, frequent chemical cleaning and unnecessary water loss through the regular maintenance of system components. The DaguaFlo solution lets you avoid all problems arising from the complex management of chemical products.

A major technological breakthrough: chemical-free treatment!
Dagua’s certified process requires no chemicals for its operation and regular maintenance, and uses only a small quantity of water (5 to 10 times less than some membrane alternatives) to clean plant components.

Unlike most alternative water treatment solutions, the DaguaFlo process uses no coagulants or flocculants to treat raw water, even when contaminant content is exceptionally high.

Even regular automated backwash cycles can be carried out chemical-free, using just air and small quantities of water. Plant operators will be especially glad to hear that our process generates no costly, unmanageable sludge or toxic waste.

With the DaguaFlo solution, chemicals, expensive handling and complex disposal infrastructures are all things of the past. Waste cleaning water can be returned untreated to the natural environment or to a settling tank.
 
These are just a few of the unique operational characteristics that open the door to multiple benefits for our clients.

The DaguaFlo treatment process can include 4 or 5 filtration steps, depending on the profile of the water to be treated. The steps are as follows:

  1. Prefiltration
  2. Pre-ozonation
  3. Membrane ultrafiltration for turbidity and pathogens removal
  4. Post ozonation for desinfection
  5. Ozone reactor for the diffusion of ozone in water

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