Improving
Indoor Air Quality with DFS Technology
Author: Dr. Roy Speiser
Room ozonation has continued to be
promoted with the claim that ozone can oxidize airborne gases and particulates
to simple carbon dioxide and water vapor.
A review of the literature published in the American Industry Hygiene
Association Journal, indicates that ozone is neither a practical or effective
means of improving indoor air quality, especially in light of its potentially
serious risk to health. When ozone is
inhaled it can cause shortness of breath, coughing, wheezing, headaches,
nausea, eye and throat irritation. The
EPA has therefore established a maximum ozone health standard. They have declared that a single hour of
exposure to ozone is sufficient to cause negative respiratory effects.
A newer air purification technology
called DFS, Disinfection Filtration
System, uses a HEPA-type filter that is bathed or permeated by an
electrical field. Fungi, molds and bacteria
are trapped in the filter and exposed to the energy field with a germicidal
effect that inactivates microorganisms in the germ-killing zone. A 7 stage
pre-filter removes odors, chemicals and large particulates
There are two major advantages of a
DFS portable unit over HEPA or HEPA/UltraViolet
(UV) units for germ removal. One
advantage is that the DFS technology
does not degrade over time like UV lamps.
The other advantage is that there is no “shielding effect” with DFS technology. With an UltraViolet unit, bacteria and
viruses attached to small particles are not be completely exposed to the light
and therefore pass through. This problem
is avoided in the DFS system because
the filter is completely bathed in energy rather than requiring the particles
to pass through a small UV-lit area.
Please contact CWR if you are
interested in breathing germ and allergen-free air. We design air purification systems based
upon specific applications whether it be for odors, chemicals, allergens, or microorganism
removal.
Contact: 800-444-3563
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