Development of Our Patent-pending
nano Nickel HCT™ Catalyst Coating
AHPCO™, is an Advanced Hydrated Photocatalytic
Oxidation technology. Basically, it is a broad spectrum
high intensity UV light targeted on our patent-pending
nano Nickel HCT™ quad metallic catalyst in a low-level
ozone and moist atmosphere. This creates an advanced oxidation
of friendly oxidizers. Unlike ozone, these oxidizers are
safe, but yet aggressive at killing mold, bacteria, viruses
and more. They also effectively neutralize odors
and VOCs. Once they have done their job contaminants are
transformed into harmless carbon dioxide and water.
UV light and ozone are not new discoveries. Ozone was
first discovered in the late 1800's and used as a water
purifier in Europe. The use of UV light was discovered
in the 1930's. Actually, nature discovered it before;
it was called the "sun". The disinfection qualities
of UV light are also not new. Hospitals have used UV light
for decades in operating rooms. Barbers were disinfecting
combs in the 1950's with UV light. What is new is the
enhancement of both these natural, friendly oxidizers
and the validation for use on air.
History of Air Systems
In the mid-1980's air purifiers started to make their
way into the residential market. Ozone air systems were
widely used in the commercial restoration business for
fire and flood damage to buildings. These applications
utilized corona discharge systems (CD) that use a spark
or electrically charged plates to simulate lightning.
This converted the oxygen (O2) to ozone (O3). The CD method
creates very high concentrated ozone. Plus by using air
as the oxygen source, you are receiving 20% oxygen and
80% nitrogen. The problem with CD systems is with oxygen
conversion you also get a nitrogen conversion, which makes
nitric acid and nitric oxide along with potentially dangerous
ozone levels.
The problem facing the residential air systems was that
the cost of an oxygen generator was so high they went
without one. This, of course, created a CD unit that produced
high concentrations of ozone plus low levels of nitric
oxide and nitric acid. The maintenance was a problem due
to the corrosive nature of nitric acid and the high concentration
of ozone exceeding the Federal safety limits of .04 ppm.
Ozone readings at the exhaust have exceeded 10 ppm in
some cases, which is dangerous. Air Oasis decided to stay
out of this dangerous market.
In the late 1980's it was discovered that the lower concentration
of ozone could have an effect on odors, mold and bacteria.
Testing this theory, determined that safe, low levels
of ozone could have a significant result with airborne
mold, odors and bacteria. The problem was to create a
safe residential air purifier that could produce safe,
low concentrations of ozone that would not exceed the
.04 ppm Federal limits. This was accomplished in the early
1990's using PCO (photo catalytic oxidation).
In 2003 the AHPCO Cell was developed. Rhodium was now
added as a catalyst and improved hydration compounds were
also added. Plus, a total new target concept was used.
A 360 degree cell provided maximum exposure of the catalysts.
The bulb was reworked and a UV Broad Spectrum bulb with
a heavy duty filament and long life coating was developed.
This gave the new AHPCO Cell an unprecedented 3 year,
25,000 hour life. This was a major improvement over the
current standard 8,000-10,000 hour UV bulb life. The most
important improvement was the efficacy, the new cell design
created more hydro peroxides, super oxide ions and ozone
levels were .01-.02 ppm or less. Country or forest air
is usually around .01-.02 ppm of ozone. Most people can
smell ozone at .01 ppm, and .04 ppm is the federal safe
limit for residential devices. The new cell also produces
hydroxide ions and ozonide ions which broadened the scope
of capabilities.
By using a AHPCO™ Cell with redundant oxidizers
our scope of effectiveness is widely broadened.
In March of 2006 our new nano Nickel HCT™
catalyst coating was introduced. With this new patent-pending
coating a fifth powerful catalyst metal (nano nickel)
was added. We also reduced the particle size of
our metals down to a nanosize particle in order to increase
the surface area and therefore increase the kinetic rate
of reaction. The hydrophilic gel was also improved to
further hydrate the coating and react in combination with
the metal catalysts (by donating hydrogen to the ozone)
to decompose ozone to form hydroxide ions, and radicals,
as well as hydro peroxides, such as the HO2 radical and
hydrogen peroxides, which are desirable reaction products
from the decomposition of ozone due to their strong oxidizing
properties, which enhances the germicidal effect of UV
radiation.
While competitors are using TiO2 alone with no hydrating
agents or other less effective catalyst coatings, Air
Oasis is setting the trend for the next generation of
air purifiers.
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