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Air Wellness® Technology

Filters

Overview

Nikken Air Wellness Technology is a comprehensive system that combines several mechanisms for purifying and treating air. These include:

  1. Multiple-stage air filtration, using a number of different approaches in a sequential arrangement.
  2. A design that avoids the production of ozone, a common byproduct of many air-purifying systems.
  3. An air quality monitor and automatic operation to maintain a desired level of air quality.

Air filtration

The filtration systems in Air Wellness Technology are designed to reduce the contaminants identified as being common irritants in the enclosed spaces created by modern structures and contemporary levels of pollutants.

The ultra low penetration air or ULPA filter in the KenkoAir Purifier has been thoroughly tested and is certified to reduce these contaminants at performance levels higher than other technologies available in in a home air filtration device.

The KenkoAir Purifier includes the following filtration methods:

Physical barrier/trap

A prefilter and filter combination captures dust, pet hair and similarly-sized particles. The prefilter/filter combination is made of long-lasting, reusable material and has two important functions. In addition to serving as primary filtration, it traps larger particles before they can reach the ultrafine end-stage filters.

Activated carbon adsorption filtration

Carbon adsorption is a highly effective means of reducing contaminants. Adsorption is the capability of a solid substance to attract to its surface molecules of gases or solutions with which it is in contact. It differs from absorption, where the material is drawn below the surface, as with a sponge.

Highly efficient adsorption occurs when the adsorbent material is selected for the properties that maximize this effect. Charcoal carbon is ideal for adsorption because its irregular shape offers a large surface area.

Activated carbon or charcoal is carboniferous material that has been treated with oxygen to open up millions of tiny pores between the carbon atoms. The use of special manufacturing techniques results in highly porous carbon that has a surface area of up to 2,000 square meters per gram.

ULPA filter

ULPA technology is a breakthrough in air filtration — significantly more effective than a HEPA filter, the longtime standard for hospital operating rooms, microassembly clean rooms and nuclear laboratories.

HEPA filtration is rated at 99.97% efficiency on particle sizes as small as 0.3 microns. The new ULPA technology in the KenkoAir provides 99.9995% removal of particles as small as 0.12 microns. No other air filtration system matches this level of performance.

The filter removes airborne particles from an airflow by one of three mechanisms: interception, where particles following a line of flow in the airstream come within one radius of a fiber and adhere to it; impaction, where larger particles are unable to avoid fibers by following the curving contours of the airstream and are forced to embed in one of them directly; or diffusion, an enhancing mechanism as a result of the collision with gas molecules by the smallest particles, especially those below 0.1 µm in diameter, which are thereby impeded and delayed in their path through the filter.

Effects

Filtration of indoor air has been shown to be effective in relieving or preventing a variety of respiratory discomforts.

Daily exposure to indoor pollution may be as much as 100 times as high as that of exposure to pollutants outdoors. This is due in part the increased amount of the day and evening spent inside (up to 90 percent of the total). Reducing indoor contaminants can have a dramatic effect on improving quality of life.

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