Category Archives for Water Treating Equipment

Parallel Plate Interceptor Design

The first form of a plate coalescer was the parallel plate interceptor (PPI). This involved installing a series of plates parallel to the longitudinal axis of an API separator (a horizontal rectangular cross section skimmer) as shown in Figure 7-5. … Continue reading

04. September 2009 by and
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Gravity Separator Plate Coalescers

Plate coalescers are skim tanks or vessels that use internal plates to improve the gravity separation process. Various configurations of plate coalescers have been devised. These are commonly called parallel plate interceptors (PPI), corrugated plate interceptors (CPI), or cross-flow separators. … Continue reading

04. September 2009 by and
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Settling Tanks and Skimmer Vessels

The simplest form of primary treating equipment is a settling (skim) tank or vessel. These items are normally designed to provide long residence times during which coalescence and gravity separation can occur. If the desired outlet oil concentration is known, … Continue reading

04. September 2009 by and
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