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Related Experiment Videos

Rem nut ion exchange plus struvite precipitation process.

L Liberti1, D Petruzzelli, L De Florio

  • 1Department of Civil and Environmental Engineering, Polytechnic University of Bari, Taranto, Italy.

Environmental Technology
|January 24, 2002
PubMed
Summary
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The REM NUT process efficiently removes phosphate and ammonium from wastewater, recovering them as struvite. This method offers a cost-effective alternative to traditional nutrient removal technologies.

Area of Science:

  • Environmental Engineering
  • Water Treatment Technologies
  • Nutrient Recovery

Background:

  • Conventional wastewater treatment often transfers nutrient pollution from liquid effluent to solid sludge or gaseous emissions.
  • Destructive nutrient removal methods pose environmental challenges and do not facilitate resource recovery.

Purpose of the Study:

  • To present revised P-driven layouts of the REM NUT process for simultaneous phosphate and ammonium removal.
  • To compare the cost-effectiveness of the REM NUT process with conventional ferric chloride-based chemical precipitation.

Main Methods:

  • Selective ion exchange for simultaneous removal of phosphate and ammonium ions from wastewater.
  • Chemical precipitation of struvite (magnesium ammonium phosphate) from regeneration eluates.

Related Experiment Videos

  • Evaluation of revised P-driven REM NUT process layouts and cost-effectiveness analysis.

    • Main Results:

    • The REM NUT process enables simultaneous recovery of phosphate and ammonium ions as struvite.
    • Revised P-driven layouts of the REM NUT process were developed and analyzed.
    • Cost-effectiveness of the REM NUT process was compared against ferric chloride precipitation.

    Conclusions:

    • The REM NUT process offers an effective method for simultaneous nutrient removal and recovery from wastewater.
    • Revised REM NUT process designs present a potentially more cost-effective solution compared to traditional chemical precipitation methods for nutrient management.