A properly designed ESP and a FiberBed Filter System will both provide 0% opacity initially. However, as the contact surfaces on an ESP collect the particulate material the efficiency gradually diminishes until the ESP requires cleaning.
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Where the start point efficiency is at or near 99%+. Almost immediately, by the various nature of the ESP’s design, the surface get dirty and the efficiency begins to fall off eventually reaching a point where the visible emissions are above the limit. This requires cleaning of the ESP system so that the surfaces are able to remove a higher level of particles and return near to its original performance. The cleaning process is never able to clean the ESP surfaces to their original state, so after several cleanings the ESP requires a major overhaul to meet visible emission requirements.
FiberBed Filters maintain a constant removal efficiency throughout the filter life. As the filters get ‘saturated ‘ with particulate, the only thing that changes is that the pressure drop increases requiring more energy to move the process exhaust through the filters. The opacity control remains at or near Zero throughout the filter life of 2-4 years depending on the process.
The new China regulations (DB/33-962) for opacity are so stringent that thousands of ESP’s are now or over the next two years will be replaced with FiberBed Filters.
Submicron mists are the major cause of stack opacity and environmental citations for air pollution. Brink® Fiber Bed Mist Eliminators feature the latest technology, to effectively remove fine aerosol mists, sub-micron oil smoke, and soluble solids from process gas streams and stack effluents.
The Brink® Fiber Bed Mist Eliminators solutions protect valuable downstream equipment, optimize operations, and minimize environmental impact, while delivering the highest efficiency, lowest pressure drop, and longest effective life available today.
Brink® incorporates a special wound fiber, computer controlled quality, and a patented bi-component design. They provide a high efficiency removal of aerosols from gas streams where they coalesce the liquid particles collected on the individual micro fibers to form liquid films which are moved through the bed by the gas flow, then drained off the downstream face of the bed by gravity.
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Brink® Fiber Bed Mist Eliminators excel at collecting the very-difficult-to-remove, submicron-size mist particles that cause visible emissions. Collection efficiencies on sub-micron particles can be designed to exceed 99.5%.
Brink® is a trademark of Ellesent®
SOCREMATIC is distributor in France for Ellesent® Brink®mist eliminators
Brink® Mist Eliminators mist eliminators consist of thick layers of very fine fibers placed between two concentric cylindrical screens or cages. Chemically resistant glass fibers, synthetic fibers and other special types of fibers are used as the fiber bed material, depending on the process environment. Structural screen/cage parts and flanges are made of any weldable metal, plastic or glass reinforced resins. Fiber bed mist eliminators are typically installed in a vessel or tank.
Collected liquid is continuously drained from the tank. A second coarse fiber layer on the downstream side to facilitate drainage and control re-entrainment.
The Socrematic engineers can help your organization select and optimize a Brink® solution for your application needs, whether you wish to improve process equipment design, operation, and product quality, seek to reduce stack opacity to avoid environmental citations.
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