Introduction to Oil Water Separators

Separators are gravity separation devices designed by using Stokes Law to define the rise velocity of oil droplets based on their density and size. The design of the separator is based on the specific gravity difference between the hydrocarbon and the waste water because the difference is much smaller than the specific gravity difference between the suspended solids and water. Oil water separators purpose is to recover hydrocarbons that have segregated from emulsion in a gravity waste water separation plant.

How does it work?

An oil water separator (OWS) is equipment to separate oil and water mixtures into their separate components.
Separators are gravity separation devices designed by using Stokes Law to define the rise velocity of oil droplets based on their density and size. The design of the separator is based on the specific gravity difference between the hydrocarbon and the waste water because the difference is much smaller than the specific gravity difference between the suspended solids and water. Oil water separators purpose is to recover hydrocarbons that have segregated from emulsion in a gravity waste water separation plant.

An oil water separator has upper limits to the amounts of oil and sludge that can effectively accumulate while it is in operation. If too much oil accumulates in the receiving and middle chambers, it may flow into the wastewater outlet chamber and end up being discharged to the environment. Proper oil water separator design will allow for the removal and storage of accumulated oil and sludge from the separator to ensure that the accumulated products do not affect the operation of the separator.

What does it look like?

ow2

Advantages of ENVIRO WASH OWS/TP OWS Compared to competitors:

  • The additional depth on ENVIRO WASH separator allows for higher KPA pressure at the underflow level, thus increasing separation.
  • Higher flow rate allows for more effluent being handled.
  • The increased surface area of the polypropylene coalesces; increase the hydrocarbon probability to bind with the Polypropylene coalesces.
  • Maintenance intervals are reduced due to increased capacity.

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