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PROCEPTOR
OWNER'S MANUAL
5 Advanced Accessories and Options
5.1 OIL COALESCER
The Zurn Green Turtle coalescer system is specifically designed for use in a Proceptor separator to assist removing free oil and
mechanically dispersed oil. It is comprised of corrugated porous PVC plates mounted in a fiberglass frame within a bae of the
separator.
As wastewater enters the Proceptor, some free oil will immediately rise in the first chamber to the surface. Most solids will
settle to the tank bottom before reaching the coalescer system. Residual fine oil droplets within the water will continue to
encounter the wetted surfaces of the coalescer material. They will meet with other oil droplets clinging to the plates and
combine to form larger droplets (coalesce).
The oil globules will follow the inclined channels upwards to the top of the coalescer pack and exit to float on the liquid surface.
The newly formed larger oil globules will rise faster. Most suspended solids reaching the coalescer will slide down the inclined
surfaces to exit the bottom of the pack and continue to the tank bottom.
In a gravity separator, coalescers are not suitable for removing chemically emulsified or dissolved oil. Soap in wastewater will
cause chemical emulsification keeping the oil particles suspended like a colloid, impairing the separation eciency of the
Proceptor and the performance of the coalescer system. Use of ‘quick break’ type of soap will help. Quick break soaps are
more likely to release the oil held by the soap in the water before reaching the separator, allowing the oil to separate within the
separator, instead of being carried downstream.
For optimal eciency, the Proceptor separator must be cleaned and maintained at regular intervals. The interval depends on
the characteristics and flow volume of your wastewater.
Figure 5: Proceptor separator with coalescer
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