The History of Air Purifiers

It's nice to be able to breathe--that's something we take for granted sometimes.


However, for almost two hundred years scientists, researchers, doctors, and


businesses have worked diligently to allow people the every day luxury of breathing.


Today with almost ten million asthma suffers alone, air purifiers are offering


allergy sufferers, firefighters, soldiers, coal miners, hospital workers, PC


manufacturers, factory workers, etc. the opportunity to breathe easier with


an absolute plethora of products. Air purifiers and cleaners have evolved by


leaps and bounds from the original "inhalers" and "lung protectors"


of the early days and continue to evolve to meet the constant need to breathe.

In the early 1800's, John and Charles Dean developed a mask for firefighters


that allowed them to charge into burning buildings without being overcome with


smoke fumes. Along the same time, breathing masks for divers and coal miners


were also being developed. In the early 1850's, John Stenhouse developed a charcoal

based filter which became the first gas mask. The original breathing masks and


gas masks focused on filtering out specific enemies using an approach called


High Efficiency Particulate Air (HEPA). The addition of charcoal to the filtration


system was a huge advancement because the charcoal filtered multiple toxins.

World War II brought about one of the largest advancements in air filtration


/ purification history with the Manhattan Project. This project focused scientists


and government funding on developing a breathing apparatus that would protect


soldiers from which was later revealed to be the atomic bomb. That development


prompted further advancements to combat chlorine gas, flame throwers, and mustard


gas. A few years later the Ebola plague in Africa drew attention to the need


for electronic generator air filters / purifiers. Corona Discharge Systems (CDS)


used a spark to convert oxygen to ozone and allowed victims the gift of clean


air to breathe.

Over the last twenty years the terms MCS - Multiple Chemical Sensitivity and


ETS - Environmental Tobacco Smoke have become an integral part of air filtration


/ purification technology. Early filtration focused on toxic chemicals, noxious


gas, and foul orders while more modern filtration devices focused on mold, viruses,


bacteria. The need for the air purification devices has expanded over the years


to include protection against fabric chemicals, perfumes, building materials,


pesticides, dust mites, pollen, food odors, along with the plain ole' desire


for fresh air.

The 1980's brought attention to the concept of a dust free environment. HEPA


filters screen 99.7% of all 0.3 micron breathing offenders. Newer developments


such as nebulizers for asthma patients and AHPCO ' Advanced Hydrated Photocatalytic


Technical Quad Catalyst Ultraviolet Cells have helped bring filtration rates


to 99.7% of all microns 0.1 and larger. The Hepa


air cleaner now act as air purifiers using granular carbon filters, among


many other types, to cleanse the air of as many unwanted pollutants as possible.

The number of applications has grown over the years, along with the technology


and development of the indoor


air purifier and filtration process. Thanks to almost two hundred years


of research, the end result is the fulfillment of the simple desire to breathe.

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