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Fixing The Air We Breathe

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We take breathing air for granted, but air quality is not always what it should be. Indoor environments are plagued by all kinds of pollutants such as pet dander, dust mites, mold spores, and volatile organic compounds (VOCs). While outdoor pollution may be beyond our control, we can do something about indoor air quality. This is where an air purifier comes in. Air purifiers are devices that help remove airborne particles and pollutants from the air in a room. They work by circulating the air through various filters or technologies that trap and eliminate impurities. An air purifier can provide cleaner indoor environments by reducing allergens, irritants, germs, odors, and other unwanted pollutants.

A Short History of Air Purifiers

The idea of using technology to clean the air goes back a long way. In fact, one of the earliest recorded forms of air purification dates back to 1550 BC when ancient Egyptians used charcoal to filter water. Fast forward several centuries to 1854 when John Tyndall discovered that bacteria could be eliminated with ultraviolet light. A few decades later in 1901, Dr. John Stenhouse invented a gas mask that removed chemical fumes from the air. Modern air purifiers as we know them today came into existence in the mid-20th century with the advent of High-Efficiency Particulate Air (HEPA) filters during World War II to protect scientists working on atomic bomb projects from radioactive particles. Since then, technological advancements have taken place with newer types of filters and technologies being introduced – all designed to make indoor living safer for humans!

Types of Air Purifiers

Air purifiers come in many different shapes and sizes, with a variety of features that can make it difficult to determine which one is right for you. In this section, we will examine the three most common types of air purifiers: HEPA filters, activated carbon filters, and UV-C light purifiers.

HEPA Filters: What They Are and How They Work

HEPA stands for high-efficiency particulate air. HEPA filters are mechanical filters that work by trapping small particles in a fine mesh. These particles include dust, pollen, pet dander, and other common pollutants. A true HEPA filter can trap particles as small as 0.3 microns with an efficiency rate of 99.97%. HEPA filters are especially effective for people who suffer from allergies or asthma since they can capture airborne allergens that trigger symptoms. However, it’s important to note that not all air purifiers labeled as “HEPA” are actually true HEPA filters.

Activated Carbon Filters: Their Benefits and Limitations

Activated carbon filters work by using activated carbon to remove impurities from the air. Activated carbon is treated with oxygen to open up millions of tiny pores between the carbon atoms, creating a highly absorbent material capable of removing volatile organic compounds (VOCs), smoke odor, chemicals, and gases. While activated carbon filters are excellent at removing odors and chemicals from the air, they’re not effective at removing allergens or dust particles like HEPA filters do.

UV-C Light Purifiers: How They Kill Germs and Viruses

UV-C light purifiers use ultraviolet radiation to kill bacteria and viruses by destroying their DNA structure or preventing them from reproducing. These devices emit UV-C light in a range of wavelengths that have been shown to be effective in killing a wide range of pathogens. UV-C light purifiers are especially useful in high-risk environments like hospitals or homes with sick family members; however, they do not remove pollutants from the air like HEPA or activated carbon filters do. UV-C light purifiers can also be harmful if used improperly, so it’s essential to follow the manufacturer’s instructions carefully.

Learn more at Clean Air Hacks.

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