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High Performance Oil Separator BOS2
The following illustration shows that the portion of oil particles at < 1 µm in discharge gas flow rises with increasing discharge gas temperature. These aerosol particles collide less with the 3-layered stainless steel strainer elements of standard oil separators, leading to a reduction in separation efficiency.
For decades, separators have therefore been equipped with coalescence elements in plants of the petrochemical as well as the compressed air industry. ESK has gained positive experiences with them in projects using transcritical CO2 applications and environmental test chambers (extreme conditions). This led to the development of a supplementary product line of oil separators.
Coalescence
Glass fiber micro filter elements highly efficiently separate aerosol particles from the discharge gas flow. Thereby, the aerosol particles collide with borosilicate fibers and agglomerate into larger drops. The drops are drained by gravity on the outside of the element to the float valve system for oil return.
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