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Ion Exchange Membranes in Electrochemical Water Treatment

Explore the significance and methods of utilizing ion-selective membranes in electrochemical water treatment for efficient removal of contaminants. Learn about the process, achievements, and future steps in this innovative technology.

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Ion Exchange Membranes in Electrochemical Water Treatment

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  1. Ion Specific Exchange Membranes inElectrochemical Water Treatment Kyle Kryger Jim Baygents, Ph.D. Associate Dean, College of Engineering University of Arizona Jim Farrell, Ph.D. Professor, Department of Chemical and Environmental Engineering, University of Arizona

  2. Overview • Background • What is electrochemical water treatment? • Why are ion selective membranes needed? • Methods • Results • Next steps • Conclusion & Questions

  3. Electrochemical Water Treatment Electrochemical Cell Ion Exchange Column Cathode Anode Feed Water

  4. H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ H+ OH- OH- OH- OH- OH- OH- OH- A+ A+ A+ A+ A+ A+ C- C- C- C- C- C- Electrochemical Cell • Creation of Acids / Bases • Movement of Ions

  5. Methods • Selection of base membrane • Polystyrene/Divinylbenzene • Economics • Mechanical Strength • Functionalization • Chlorosulfonic Acid • Permanent Charge Image courtesy of Biotage Image courtesy of Wikipedia

  6. Achievements • Base Membrane • Chemical Preparation • 64% of pores filled • Established Electrical contact across membrane. • Functionalization • Safe Procedure • Positive Reaction

  7. Next Steps • Performance of Functionalized Membrane • Diffusion of Ions / ICP • Scaling up manufacturing Process • Chemical Handling • Large Scale Production • Implementation • Impact

  8. Thank you for attending! Questions?

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