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The manufacture of asphalt roofing products requires the application of hot asphalt to the underlying substrate. This results in the lighter fractions of the asphalt being vaporized which then condenses to form a blue haze in the exhaust from the ventilation system. Fiber Bed Filters have been accepted as meeting the Generally Available Control Technology (GACT) requirements of 40 CFR 63.11559 of subpart AAAAAAA (NESHAP for Area Sources: Asphalt Processing and Asphalt Roofing Manufacturing).

In some areas, more stringent emission controls are required, such as thermal oxidation or carbon adsorption of the VOC emissions from the roofing manufacture. For these systems, Kimre B-GON® Mist Eliminators and Kimre Fiber Bed Filters have proven to be ideal pre-filters to reduce the loading and fouling of the VOC control device by removing the condensible materials.

Storage Tanks

Kimre offers complete solutions incorporating both B-GON® Mist Eliminators and Fiber Bed Filters into systems to handle emissions from asphalt storage tank vents. We can accommodate a variety of flow rates from 50 CFM up to 1500 CFM in small, self-contained packages. These systems include prefiltration with B-GON® Mist Eliminators to provide long life and minimize maintenance. Optional air blower and instrumentation can be provided to complete the system and meet the customer requirements.

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