Dow Water Solutions

Operating a DOWEX Ion Exchange System

While the original equipment manufacturer is the first source of information concerning specific operating instructions for your particular system, we offer some frequently used procedures for your 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)