Pur-IX™ Advanced Ion Exchange System

In addition to our conventional ion exchange systems, Tonka Water offers the Pur-IX™ advanced ion exchange system. The Pur-IX™ system provides nitrate removal utilizing proprietary features to deliver higher efficiency than conventional ion exchange systems.

Key advantages of a Pur-IX™ system:

  • Compact footprint
  • Lowest salt consumption
  • Lowest waste volumes of any treatment option
  • Continuous and smooth regeneration
  • Minimal energy consumption
Advanced High Efficiency Ion Exchange System for Nitrate Removal

The Pur-IX™ system incorporates a series of ion exchange vessels, which are continuously cycled through water treatment and regeneration modes with a multi-port valve.  This continuous cycle process provide maximum resin loading but prevents nitrate dumping  with parallel vessel configuration.The primary waste generated from the Pur-IX™ system will be brine waste and relatively small in volume compared to conventional ion exchange.The multi-port valve is a patented product manufactured by PuriTech, and Tonka Water is the exclusive licensee of the technology in the United States municipal market.

There are currently over 30 installations using the multi-port valve technology incorporated in the Pur-IX™. The treatment processes include nitrate removal from potable water, as well as industrial applications. The largest of these operates three Pur-IX™ trains in parallel, treating approximately 9,000 gpm with ion exchange.

If you have questions about how an Pur-IX™ Ion Exchange system can address your drinking water treatment needs, Tonka Water can help design a customized solution to your application.

Contact Tonka Water to setup a complete ion exchange pilot study customized for your site specific constraints.

Advanced Ion Exchange Valve for high efficiency nitrate removal system

Pur-IX™ Advanced Ion Exchange Reference Material


Pur-IX™ Advanced Ion Exchange Project Profiles



Membrane Systems

Gravity Filters

Pressure Filters

Ion Exchange



Packaged Treatment

Aerators and Strippers





To receive more information, please contact us with questions and inquiries.

You can also contact us for a pilot study to assess your plant's water treatment needs and together we'll design a custom solution fit for you.