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Case Study: Rio Tinto Iron Ore, Marandoo

Supplier: Ultraspin By: KM
29 November, 2010

The Ultraspin ES25 oily water separation system was installed to replace an existing coalescing plate pack system that was not able to meet the required TPH discharge standards of 20 mg/L.

The Ultraspin system is a skid mounted system, comprising an Ultraspin ES25 (25 m3/h) Oily water Separation unit with a helical rotor pump and strainer assembly.

The Ultraspin ES25 is being used to remove oil and grease and solids from the Central Attenuation Sump to remove dissolved hydrocarbons.

The fluid properties of the process effluent water that are most important for the Ultraspin Separator performance are:

  • Oil water density difference (the less dense the oil the better)
  • Oil droplet size (worse with the use of harsh cleaning chemicals)
  • Water temperature (the warmer the better)
  • Water viscosity