Patent ID: 11939233
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. An oil-water separation system comprising:
a vessel configurated to receive an oil-water mixture and to pass a treated water, wherein the treated water comprises a lower concentration of oil than the oil-water mixture;
a first overflow baffle configured to direct the oil-water mixture fluid flow over the first overflow baffle;
an oil collector upstream of the first overflow baffle configured to skim and recover a portion of the oil upstream of the first overflow baffle;
a first underflow baffle positioned downstream along a fluid flow pathway of the first overflow baffle and configured to direct the oil-water mixture fluid flow under the first underflow baffle; and
a second overflow baffle comprising:
a first portion being attached to the first overflow baffle at a level above a bottom of the vessel and below a bottom end of the first underflow baffle, and
a second portion disposed at an acute angle of less than 90 degrees from horizontal coated in a copper-based hydrophobic material positioned downstream along the fluid flow pathway of the first underflow baffle, configured with a mesh having a plurality of perforations, and configured to direct fluid flow over the second overflow baffle and through the plurality of perforations wherein oil agglomerates upwards; and
wherein the second overflow baffle permits a water portion of the oil-water mixture to traverse through the mesh and an oil portion of the oil-water mixture to traverse over the mesh.