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Fan / Separator Scrubs Corrosive
Metal Finishing Fumes at 1/10th the Water
of Other Wet Scrubbers
Tri-Mer’s Fan / Separator is an all-mechanical system that operates with 20% less brake horsepower.
High efficiencies are possible due to the system's unique use of the fan as a centrifuge in the scrubbing
process. Fan velocity is precisely controlled so that air crossing the rigid packed media stays within
design parameters. The system is positively pressured, working the reverse of conventional
“negative air” scrubbers. Thus, air is pushed, rather than pulled, through the system.
55% of system performance results from contact between the contaminant-laden air and the rigid
tube packing; 45% is from the centrifugal action of the fan wheel. The unit is extremely effective in
eliminating corrosive contaminants, with a resulting low humidity stack. Total energy consumption
is generally 15 to 20% less than comparable wet scrubbers with a negative pressure design. The
Fan/Separator is widely used for fumes from sulfuric acid, pickling, metal plating and battery charging
operations. Because the moisture eliminator is on the downstream side of the fan, scrubbed air
can sometimes be returned to the plant, saving HVAC costs.
The Fan / Separator was engineered for simple installation and start-up, so start-up costs are low.
Fan and Separator are mated specifically to each other. Materials of construction include
polypropylene, PVC, fiberglass-overlayed PVC and stainless steels.
Tri-Mer has supplied Boeing, Hamilton Sundstrand, GE, GM, Texas Instruments, Motorola, TABC,
Criterion Catalyst, and hundreds of other manufacturers and job shops with emissions control
systems that operate at 95-99% + efficiency, even under highly variable loadings. To demonstrate
the effectiveness of the Fan / Separator in your facility, Tri-Mer offers a Pilot Plant Program.
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