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Aerodyne Perks Up Gourmet Coffee Roaster’s Process with Compact GPC Cyclonic Dust Collector

Efficient GPC Cyclonic Dust Collector Eases Waste Disposal, Improves Process


CLEVELAND, Ohio — November 15, 2011  — Aerodyne  (, a specialist in solving dust collection and dry material handling problems recently helped an independent gourmet coffee roaster improve their homemade dust collection system. The Oregon-based coffee roaster solved a major dust collection and waste disposal issue with the installation of a GPC Cyclonic Dust Collector from Aerodyne.  At this independent roaster’s facility, coffee is roasted in a rotary drum where hot air is passed over the beans. During the roasting process, the outer layer of organic material called chaff is burned off.  Some of the chaff is then vented out of the roaster drum along with the hot air. The owner/operator developed a homemade wet scrubber to capture the chaff for disposal. A large steel box was fitted with several mist jets that spray the incoming dust and saturate it to the point it drops from the air stream.  The saturated chaff material can then be collected for disposal. While this method of collection proved effective, it created a difficult disposal problem.  The large amount of waste slurry generated daily became a maintenance nightmare. Searching for a better solution, the independent roaster chose to install a 350 CFM GPC Dust Collector from Aerodyne.
The GPC is a compact, high-efficiency cyclonic dust collector. The unique “ground plate” design eliminates the need for a long, tapered cone as required by conventional cyclonic dust collectors. The compact size of this collector allows for installation in locations with low overhead clearances and reduces the need for tall maintenance scaffolding.  The GPC Dust Collector is ideal for use as a pre-cleaner for baghouses and other filter-type dust collection equipment. Because the GPC has no moving parts or filters, it is easy to maintain and is well-suited to product recovery applications.
With the installation of the 350 CFM GPC Dust Collector, the roaster’s chaff disposal process became far more manageable. Because of its compact size, the GPC easily fit into the limited space allotted for the roasting operation. Placed as a pre-cleaner before the homemade wet scrubber, the GPC captures all but the finest of particulate, greatly reducing the amount of slurry waste. The dry chaff material collected by the GPC is easily disposed of.

To request a brochure of the Aerodyne GPC Dust Collector, please visit  For more information regarding the full line of Aerodyne dust collection products and bulk material handling valves, contact Bart Eggert at (440) 543-7400, ext. 130 or toll-free at (800) 358-7546, ext. 130, or by e-mail:

About Aerodyne — Aerodyne has been specializing in solving dry material handling problems for more than 60 years through such products as high-efficiency cyclone dust collectors and low-cost, low-maintenance, material-handling valves. Like its parent owner, Abanaki Corporation, Aerodyne operates under the corporate motto “Clean Our WorldTM”, addressing material handling challenges through innovation, customer commitment, and environmental stewardship.


 Cyclonic Dust Collectors
 Dust Collection
 Dust Collection Equipment
 Waste Disposal

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