An aerosol is a small liquid droplet suspended in a gas or air stream. Because of the nature of aerosols, they are difficult to remove through normal filtration. One of the most efficient methods to remove aerosols from an air stream is the use of a coalescer filter. A coalescer filter is a piece of equipment that allows the aerosol-laden air stream to come in contact with a filter media. The liquid aerosol impacts the fine fibers of the filter media and wicks down the fiber. As each droplet meets another droplet, they coalesce or come together to form a larger droplet with more weight. After a period of time, the droplet grows large enough to the point at which its weight prevents re-entrainment into the air stream and the liquid is removed from the air stream.
- Coalescing filter housing
- Coalescing filter cartridge
- Appropriate connection fittings
- Wrench
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Instructions
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1
Install the filter cartridge into the filter housing. Typically, the cartridge fits inside the house onto a spindle. Close the top lid of the filter housing and secure it to the housing body using the wrench. The compression on the top lid keeps the filter cartridge in place.
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2
Connect the aerosol-laden air stream line to the bottom of the filter housing. Typically, this port allows the air stream to move into the middle of the filter cartridge and flow perpendicularly through the filter media and out a top-side port.
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3
Engage the air stream and allow it to run for one hour. The filter housing body typically has a small drain valve on the side near the bottom. When the coalesced filter droplets begin to pool, the drain valve is opened to drain the liquid.
