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Ultrapure water EDI treatment:
Ultrapure water EDI treatment:
Semiconductor and pharmaceutical industries
Principle
Ultra-pure water contains by definition only H2 0, and H+ and OH- ions in equilibrium.
Ultrapure water production often has to be done in 2 steps.
For example, from tap water or fresh groundwater, the water should first be demineralised by membrane filtration. This can be done by Tritech’s CMF process.
The demineralised water is then processed through a high performance Electrodionization (EDI). EDI is a process which combines semi-impermeable membrane technology with ion-exchange media to provide a high efficiency demineralization process.
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