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Applications

OIL WATER SEPARATION WITH CERAMIC MEMBRANES

Growing environmental concerns have fueled the need for efficient separation of oil-water mixtures. Oily wastewater causes extensive pollution to water and soil. It is produced from various sources, e.g. oil/gas recovery, oil refining, metal finishing, mining and transportation.

Direct disposal of the oily wastewater is forbidden by the govt. regulations and oils in the oily wastewater should be removed to meet the discharge standards

ENDURA, brand of Prism Johnson Ltd. is pleased to introduce Oil water Separation Plants with Ceramic Membranes. The membranes effectively & efficiently remove the oils from oily wastewater.

Ceramic Membrane Water Filtration provides a highly desirable method for treating oil wastewater containing emulsified oils due to its energy efficiency, ease of processing and low maintenance cost.

Ceramic Membranes have revolutionized the filtration methods & technologies due to following advantages;

  • Longer service life than polymeric membranes
  • High temperature & pressure resistant
  • Higher stability against both polar and chlorinated solvents
  • Superior chemical & abrasion resistance
  • Can withstand pH from 0 – 14
  • Stability against high oil fractions present in industrial wastewater

Oil-Water Separation Process:

oil water separation process

Stage 1 of Oil Water Separation Process

Multiphase Separation Profiles;

  • Oil, Water & Solids are separated.
  • Use of coalescence + adhesion to form larger oil droplets flowing upwards.
  • Solids slide down the profiles into the sludge holding tank.

Stage 2 of Oil Water Separation Process

Membrane Filtration;

  • Residual oil is pressure separated in the membrane by cross flow principle.
  • Periodically backflushing.
  • Automatic oil discharge.
oil water separation ex

FAQ

Can ceramic membranes separate oil from industrial wastewater?
Absolutely. Ceramic membranes handle oily, high-solid waste (like from refineries, metal shops, food processing) by filtering out oil droplets and solids—even emulsified oil—for clean discharge or recycling.
Because of their strong thermal and chemical resistance, ceramic membranes handle heavy loads better than polymer ones. They tolerate high oil content and abrasive solids, while being easy to clean.
Definitely. Ceramic membrane is popular in mining tailwater, oil refineries, food factories, and metal finishing plants, handling tough, high-TDS wastewater that often breaks polymer systems.
Cleaning frequency depends on feed quality, but typical maintenance involves weekly or monthly flushing with water and mild caustics. The membranes still last for years.
Yes— ceramic membranes enable water recycling for boiler make-up, cooling, wash-down, or process reuse, reducing freshwater demand and waste discharge.