Tilted Plate Separation Systems

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Veolia

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The separation of contaminants (oil, gas, solids or combinations) is gravity driven based on particle size and density differences between various components. Veolia MPP Systems a dedicated Oil & Gas Industry service and solutions provider has extensive experience in designing, engineering, document control and fabrication according to the Oil & Gas Industry standards.

Based on standard range of equipment we can customize any unit to the client specifications.
TiPSS stands for Tilted Plate Separator System. This means oil water separation based on tilted plate packs (lamellar set plates) in order to increase the separation surface.

The theoretically foundation for this separation is Stokes Law (1845)

For efficient operation, the vertical distance to be covered by the globules should be made as short as possible, and the rising velocity should be increased by agglomerating the small globules thus creating larger, faster rising globules.

Any break-up of these globules by even slight, local, or general turbulence, will reduce the efficiency of the separator. Consequently, the flow through the unit and in the upstream piping system should be with minimized turbulence. By using corrugated, parallel mounted plates inclined at 45° or 60°, the separator optimises the conditions of short vertical travel under stable streamlined flow and maximum separating surface area. The plates are used in "counter current" mode.

Separation by gravity utilizes the density difference between two phases (liquid-liquid or liquid-solid). E.g. a globule of one phase (oil) suspended in the heavier other phase (water) will attain a constant rising velocity when the resistance to motion offered by the other phase is equal to the rising force created by the density difference.

Important considerations for a separator using this principle are:

The distance through which the globules travels before reaching the surface or bottom of the corrugated plate
The rate at which the globule rises or settles
Particle size
Density difference
Viscosity

DIFFERENT SEPARATION METHODS

For different applications separation can result in two, three or four phase.