Tuesday 24 September 2013

Air Filtration Products Help Keep Your Home Or Business Healthier

By Marla Mills


A home or place of business can collect numerous contaminants from various sources such as smoke, pollen, and pet dander in its air supply which makes it less healthy for those breathing it in. People with allergies are particularly susceptible to the effects of inhaling these substances. Fortunately there are air filtration products on the market that help make one's home or work environment a cleaner one.

Air purification systems come in several designs, although they work differently, they all share the common purpose of filtering impurities out of the air. Many buildings have one such type of filter built into their heating and cooling systems in the form of an air cleaner with a removal filter that can be made from foam, cotton, fiberglass, or another material. It's job is to keep certain particles from circulating, but it needs changing occasionally to stay effective.

HEPA (High Efficiency Particulate Air) filters have an exceptional ability to eliminate dust and allergens from inside a room. In order to be classified as "HEPA" a filter must meet specific standards established by the Department of Energy which is namely a penetration of less than 0.03 for all particles which measure over 0.3 micrometers.

An ionizing purifier is one which works by producing charged ions by way of an electrical field called a "corona discharge". Most particles in the indoor environment are neutral, but once they pass through the positive and negative charged metal plates of the filter they will become polarized by gaining or losing electrons, which in turn causes them to become bound to each other and ultimately drop out of the room's air supply.

An ozone generator also uses a corona discharge technology but it differs in that it converts oxygen molecules into ozone. Circulating oxygen is split into individual atoms, some of which will become ozone. Ozone is understood to have a natural filtering effect on the air and also a positive impact on health.

Adsorption is another approach used to rid the air of harmful or unwanted substances and odors. These filters usually contain activated a porous material such as activated charcoal which effectively traps particles of various substances which are circulating in the atmosphere. Some other models pass the air through a UV light filter which effectively destroys many types of airborne viruses and bacteria.

Some types of businesses use much larger, high capacity purifiers than the ones which are intended for home use. There are some manufacturing processes that require contaminants in the air to be removed beforehand or afterwards for which scrubbers, high-density filters, extraction units, and mist collectors are used to achieve this state.

Besides using effective air filtration products, there are other basic steps people can take to reduce contaminants in the home or workplace. These include regular cleaning, not permitting smoking indoors, and taking remedial action against any mold problems. Allowing fresh air to circulate through the building from time to time is also helpful. Certain types of filters are better suited to specific contaminants such as tobacco smoke or pollen, and in some cases this will be indicated on the product's packaging.




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