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What are the technical/scientific details behind the process of water deionization? How does deionization machines like those manufactured by Millipore work?

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    $\begingroup$ Check out this page: millipore.com/lab_water/clw4/type1&tabno=2 $\endgroup$ – Michiel Jul 24 '13 at 19:57
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    $\begingroup$ @Michiel - If you could summarize/explain the process, that would be a good answer. $\endgroup$ – Ben Norris Jul 24 '13 at 20:23
  • $\begingroup$ As pointed out by Michiel, there is a lot of info on Merck's Millipore website. You can get a pdf with some technical specifications for each equipment. $\endgroup$ – Alex Jul 25 '13 at 0:10
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    $\begingroup$ @BenNorris - I don't have that much knowledge on the topic to expand on the information already given on that website and I don't think summarizing a different webpage is going to do any good in helping the OP. Typically a bit more extensive explanation is easier to follow. $\endgroup$ – Michiel Jul 25 '13 at 5:20
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Most cost/energy efficient method to make deionized water is reverse osmosis. The mechanism is to apply external pressure to water and force it to go through a layer or layers of semipermeable membrane.

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