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Photohydroionization vs
Indoor Air Pollution

The next step in our battle against indoor air pollution involves Photohydroionization, a technology which is the second generation of the conventional PCO we discussed previously. Click here to go back to that page.

Photohydroionization™, or PHI™, "is an Advanced Oxidation technology developed and owned by RGF Environmental Group. Basically, it is a broad spectrum high intensity UV light targeted on a quad metallic catalyst ultraviolet (UV) target in a low-level ozone and moist atmosphere. This creates an advanced oxidation process providing friendly oxidizers, or very safe and aggressive oxidizers that revert back to oxygen and hydrogen. PHI™ Technology has been successfully used in water, air, food, laundry and grease applications."

Sorry, I took that right from the book as I couldn't think of a better way to phrase it. RGF Environmental makes it so clear you can almost understand it. ;-)

The PHI Cell™ (Photohydroionization™ Cell) is the latest advanced oxidation technology used in the battle against indoor air pollution. Low-level ozone is produced in the cell but then most of it is converted into airborne hydro peroxides, super oxide ions, ozonide ions and hydroxides. (the friendly oxidizers in the picture above) The UV bulb is encased in a protective poly tube to prevent any glass or mercury breakage/leakage. Also, the entire assembly is then encased in a protective metal cell.

PHI is a combination of safe, low levels of ozone (well below federal government recommendations), ultraviolet light and metal ions that produce safe and friendly oxidizers that neutralize odors and destroy airborne bacteria and mold. These oxidizers travel through a room by natural air movement attacking indoor air pollution wherever it is found.

One of the Oxidizers is Hydro Peroxide. If you are close to my age (sorry, I'm not telling) you are probably familiar with hydrogen peroxide. Treating a room with hydro peroxides is like misting a room with a hydrogen peroxide mist. Each time a hydrogen peroxide finds an airborne contaminant, it will neutralize the contaminant. Ask your mother about hydrogen peroxide if you have never heard about it or .....

For some additional information about hydrogen peroxide and its many uses in the home I suggest you take a look at "Using-Hydrogen-Peroxide.com".


    OXIDIZERS (In order of strength)
    1. Fluorine 4. Hydrogen Peroxide* 7. Bromine
    2. Hydroxyl Radical* 5. Permanganate 8. Iodine
    3. Ozone* 6. Chlorine 9. Oxygen*

    * Elements of the RGF Advanced Oxidation Process. Friendly oxidizers do not use chemicals and revert back to oxygen and hydrogen.

Pros: Low cost, no maintenance (25,000 hour life, 3 year warranty), easy installation, airborne hydro peroxides, super oxide ions and very low-level ozone (.01 - .02 ppm*) travels through the house providing 24-hour protection against indoor air pollution such as airborne mold, bacteria, viruses, odors and VOCs. There are no harmful by-products, as the oxidizers revert back to oxygen and water vapor. The photohydroionization cell also acts as a germicidal lamp and treats the air that passes by it. The cell has a built in fiber optic which acts as a remote indicator.
Cons: None

(*Note: Federal safety limits are 0.04 ppm. At 0.01 - 0.02 ppm, this is not considered an ozone device.)

But this is not where we stop our fight against indoor air pollution. Next I would like to introduce you to Radiant Catalytic Ionization

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What are the Five Essential Strategies To Eliminate Indoor Air Pollution?




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