WaterSolutions Operating a DOWEX Ion Exchange System

While the original equipment manufacturer is the first source of information concerning specific operating instructions for a particular system, we offer some frequently used procedures for operation when using DOWEX™ ion exchange resins.

Resin Preparation

• Food Processing and Contact (22KB PDF)
• Food Processing and Contact - Chromatographic Resins (21KB PDF)

Adjusting Resin System Operation

• Regenerating Strong Acid Cation Resins with Sulfuric Acid (20KB PDF)
• Operating Profiles for Ion Exchange Demineralizers (28KB PDF)
• Regeneration Concentration Tables (24KB PDF)
• Regenerant Quality Guidelines (26KB PDF)
• Backwash Flowrate Calculation (28KB PDF)
• Comparison of Styrenic and Acrylic Strong Base Anion Exchange Resins for Water Treatment (16KB PDF)

Routine Operation Procedures and Information

• Practical Guidelines (29KB PDF)
• Suggested Operating Temperatures for DOWEX Ion Exchange Resins (24KB PDF)
• Recommendations for Maximum Free Chlorine Limits for DOWEX Cation Exchange Resins (12KB PDF)
• Using Ion Exchange Resin Selectivity Coefficients (24KB PDF)