White Papers


Essentials of Ion Exchange
Water Temperature Effects On Resin
Interpretation of Resin Analysis
Making Sense of an Incomplete Water Analysis
Protect the Resin
Protecting Ion Exchange Resins from Suspended Solids
Resin Regeneration: More than Meets the Eye
Resin Regeneration Fundamentals


Cleaning Oil Fouled Resins
Potassium Chloride as an Alternate Regenerant
Brine Regeneration Considerations
Softener Resin and Chlorine Limitations

Groundwater Remediation

Superfund Site Cleanup of Chromate Contaminated Groundwater
Ion Exchange Treatment for the Removal of Groundwater Contaminants
Nitrate Removal by Ion Exchange
Nitrate Selective Ion Exchange Resins
Perchlorate Removal
Tapping into High Nitrate Groundwater
Chromate Removal at the Hanford Site
Chromate Removal at the Hanford Site Part 2

Ultrapure Water

Sources of TOC in Deionized Water
Factors in High Purity MB Demineralizers
Boron Removal from Ultrapure Water
Low TOC Mixed Bed Resins
Mixed-Bed Resin Stability in Semiconductor Applications


Predicting the Operating Capacity of Strong Base Anion
Principles of Counter-Current Demineralization
Ion Exchange Applications of Simulation Technology

Activated Carbon

pH Adjustment of Acid Washed Carbons

Emerging Contaminants

Removal of Trace Contaminants
Radium Removal
Uranium Removal
Arsenic Removal By Regenerable Anion Resin
Using Media to Remove Fluoride from Drinking Water Sources

Portable Exchange Deionization (PEDI)

Optimizing Portable Exchange DI Plants
Good Housekeeping in PEDI Plants
Considerations in PEDI
DI Water Case Study
PEDI Mixed Bed Overnight Soak
Practical Aspects of Service DI
Use of PEDI in the Power Industry
Got Spots? Here are Some Solutions
Supplying DI Water for the Aquariium Industry

Organics Removal

Reversible Organics Removal
Common Pitfalls of Ion Exchange for Organic Traps
Operating Experiences With a New Organic Trap Resin
Removing Organics With Ion Exchange Resin

Waste Treatment

Lead Removal
Waste Water Treatment Using Ion Exchange
Heavy Metals Removal
Molybdate Removal by Ion Exchange Resins

Silica Removal

Behavior of Silica in Ion Exchange Systems
Selective Silica Removal

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