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You are here: Home / Explanatory Dictionary / D.I.

D.I.

abbreviation for “deionization”

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Definitioner

Deionization: the removal of all ionized minerals and salts (both organic and inorganic) from a solution by a two stage ion exchange procedure. First, positively charged for a chemically equivalent amount of hydrogen ions. Second, negatively charged ions are removed by an ion exchange resin for a chemically equivalent amount of hydroxide ions. The hydrogen and hydroxide ions are introduced in this process unite to form water molecules. The term is often used interchangeably with demineralization.