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Air Filtration Industry Articles, News And Resources

Is HEPA Filtration Really A Big Deal?

HEPA filter

We read a lot about HEPA filtration when dealing with indoor air quality concerns. That leads one to ask: “What’s so special about HEPA?” High Efficiency Particulate Air (HEPA) filters (also known as H13 or H14 filters in many countries) are media-type filters with an extraordinarily high filtration efficiency. By definition, new HEPA filters can remove airborne particles of 0.3 microns in diameter with 99.97% efficiency. The 0.3 micron criterion is selected because that particle…

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Pollution Control Units (PCUs) for Restaurant Kitchen Exhaust

pollution control unit

Many people enjoy the smell of a grilled steak or hamburger, or Chinese food sizzling in the wok. For those living next door to a restaurant, however, these cooking aromas can quickly become cooking “odors” and are often considered to be tiresome and may result in odor complaints. These complaints may lead to the landlord of a leased restaurant space requiring the restaurant to install a kitchen exhaust Pollution Control Unit (PCU) to address these objections. It…

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Mist Collection Technologies

Infinity CE MistBuster

There are three common types of mist collectors: Electrostatic Precipitators Media Filtration Centrifugal Collectors Let’s look at how they work and their relative strengths and weaknesses. Electrostatic Precipitators or Electronic Air Cleaners Coolant mist removal starts with an impinger section. This typically consists of either a series of chevron-shaped plates or a coarse metal mesh. The larger spray and mist droplets impact the impinger and adhere to the plates or mesh. The accumulated coolant flows by…

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Coolant Mist From Metal Removal And Your Health

MistBuster Infinity CE

Metal removal by machining and grinding creates friction and consequent heat. Excess heat can reduce tool life, affect surface finish and may affect finished dimensions due to thermal expansion of the parts being manufactured. In order to reduce friction and heat, coolants are frequently applied. These coolants or metal working fluids (MWF), are available in a number of formulations. These include: straight oils (such as petroleum oils), water-based fluids, which include soluble oils, and semisynthetic/synthetic…

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Are Respirators A Solution For Workplace Airborne Hazards?

half mask respirator

That seems like a perfectly sensible question to ask. If there is an airborne health hazard, wouldn’t it be reasonable to use respirators to control employee exposures? It is not, however, as simple as just calling up the safety supply house and ordering some respirators. There is a federal regulation, 29 CFR 1910.134, that governs the use of respirators for controlling health hazards in the workplace. This is the OSHA Respiratory Protection Standard and it imposes a number…

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Backdraft Bench For Welding Fumes

backdraft bench

We noted previously that the American Conference of Governmental Industrial Hygienists (ACGIH) recommended a number of possible engineering control solutions for welding fume. In the ACGIH volume, “Industrial Ventilation: A Manual of Recommended Practice for Design,” the ACGIH recommends ventilation controls for welding fume in the following order of preference: Enclosing hoods Vacuum nozzles (for MIG and FCAW) Fixed slot or plenum hood on a worktable Movable hood hanging freely Overhead canopy Dilution ventilation So…

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Discover the Benefits of Using Portable HEPA Air Cleaners in School Nurses' Offices

school nurse helping young student

Keeping our kids safe is a top priority, especially in higher-risk areas like school nurses’ offices. Although your nurse’s office space may be cleaned and disinfected frequently, it’s important to take precautions that will minimize the potential transmission of airborne viruses. In fact, the Centers for Disease Control and Prevention (CDC) recommends the use of portable air cleaners with HEPA filters, which are some of the products we offer at Air Quality Engineering. What Are…

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Cleaning An Electronic Air Cleaner Cell

electronic air cleaner cell inlet side

How do electronic air cleaners work? Two stage electrostatic precipitators are composed of two sections, a charging section and a collection section. The charging section uses ionizer wires to impart a positive charge to the incoming smoke, fume and dust particles. The charged particles are then drawn into a secondary electric field where they are collected on a series of metal plates. Then, the electrostatic precipitators re-circulate clean air into the general airstream. Over time, the collector section metal plates become…

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Success Story: How We Improved the Indoor Air Quality of a Customer’s Cigar Room

cigar room with quality air cleaner installed

Everyone deserves to breathe in clean, fresh air, and at Air Quality Engineering, we work hard to ensure that our customers receive the most cost-effective, high-quality air cleaners and filtration systems that will meet their specific needs. Whether you’re considering an air cleaner for your home, an office, a welding workspace, or even a medical setting, we offer products for every environment. But don’t just take our word for it. One of our customers, Mike…

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Why Air Filtration Units Are Essential for Shelters & Other Shared Spaces

beds lined up at a shelter

Homeless shelters, women’s shelters, auxiliary rooms at churches, and similar facilities provide an essential service by helping to protect some of the most vulnerable individuals in our community. As such, it’s important for these spaces to be comfortable, safe, and healthy, especially regarding to air quality. To mitigate airborne transmission of allergens, dust, viruses, and more in these high-risk areas, we offer HEPA air filtration units that will meet your indoor air quality needs. Take…

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Air Quality Engineering

Air Quality Engineering

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