Zeolite Answer

Introduction:

• The new synthetic Zeolite membrane successfully tested by Dr. Dong’s PRRC/NM Tech.
• The Zeolite membrane has ~ 90% of an 80,000 ppm produced water.
• It is an inorganic membrane.
  – High flux
  – High thermal and chemical stability
  – Regeneration capability
  – Perhaps, low pretreatment cost

Summary:

• Zeolite membranes show promising properties for ion removal in
  produced water.
• The preliminary ion removal cross-flow experiment revealed that:
  - MFI Zeolite membrane shows salt rejection of 75% in 4×10 mg/l brine and 90% for 5500mg/l sodium chloride solution.
  - Thin and defect-free Zeolite membranes may show high ion rejection and high flux for application in produced water treatment.

Robert L. Lee, Petroleum Recovery Research Center (PRRC)
New Mexico Tech, Socorro

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