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New EDI Users Group on:

linkedin logo.gifPlease click on the Linkedin logo to visit the new Electrodeionization (EDI) Users Group! This is a technology focused forum to share anything related to EDI (questions, opinions, applications, systems, opportunities, etc). Enjoy!

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Welcome to CEDI University!

CEDI University is your single resource for everything you need to know about Continuous Electrodeionization (CEDI). Whether you are an end user or OEM, we will help educate you on one of the hottest technologies in the water treatment industry - CEDI! 1-back-t-1.jpg

CEDI University is composed of three main sections. You may access our Learning, Glossary or FAQ sections at any time to better understand key terms, definitions or answers to the most common questions.

books.gifThis site is sponsored by one of the pioneers and leaders in Electrodeionization, Ionpure Technologies. For more information, please visit www.ionpure.com.

If you are an OEM or System Integrator, there are topics tailored toward pretreatment, system design and required instrumentation. Learn why continuous electrodeionization is rapidly taking the place of mixed bed deionization for the production of high purity water.

If you are an End User or System Operator, we have a topics that are geared toward theory, practice, and how to understand, operate, service/maintain, troubleshoot and identify trends in your continuous electrodeionization system.

 

Be sure to register to keep abreast of the latest CEDI University information. We will soon be publishing a CEDI University Newsletter which will be e-mailed to registered users. The newsletter will contain the latest information related to continuous electrodeionization, such as new patents in the field, references to papers, conferences, new applications, and, of course educational topics.

 

What additional training topics would you like to see? Do you have any suggestions for enhancing the usefulness of our web site? Please, let us know!

 

'Electrodeionization' is listed in Wikipedia

Check out the article in the Wikipedia on-line encyclopedia!


The CEDI University Quiz is back!!!

We have added a new menu item, "Registered", which will have links to both the CEDI University quiz and the CEDI Forum.  Please register and login to view these two topics.  The quiz has been enhanced and currently has four separate quizzes - Level 1 for folks new to this technology and Level 2 for more advanced CEDI users.  The answers to all of the questions may be found in or may be derived from information presented on this web site.  Test your knowledge!  Pass the quizzes and receive a certificate of achievement. 

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More quizzes and more questions will be added in the future. 

  

  

Join and participate in the CEDI Discussion Forum (Registration Required)

Do you have a question about continuous electrodeionization? Post it in the CEDI Discussion forum and get an answer from one of our experts or from another member of the discussion forum. We were able to transfer the user database from the forum on our old website, so you should be able to login as before. If you have forgotten your password or have trouble logging in, you can re-register or just send an email to This email address is being protected from spam bots, you need Javascript enabled to view it   and we will send the login information to you via return email. The forum postings from the old web site will not be able to be viewed on the new discussion forum. Use the login at the left side of this page to register for the discussion forum.

 
Learn How CEDI Works!


Continuous electro-deionization (CEDI) is the most advanced generation of ion exchange technology. CEDI is a chemical-free operation and therefore environmentally friendly, a continuous production, and has extremely low operating costs when compared to chemically regenerated ion exchange technology. The process uses electricity in combination with ion exchange membranes and ion exchange resin to separate dissolved ions from water. The animation below shows the movement of ions from the dilute compartments into the concentrating compartments when an electric field is applied. View a larger version of the animation here.


 

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