Full Text Searchable PDF User Manual
Fully purified water – DI water – high-purity water
There are all kinds of different terms used to refer to the
artificially produced state of “pure water”. Whether it be
fully purified water, de-salted water, demineralised water,
deionised water or DI water. All these terms denote the
state of “pure water”, that is, water with the lowest possi-
ble number of substances (ions) dissolved in it that could
have a negative effect on the water quality.
Deionised water in a nutshell – how is deionised water
Drinking water is run through a chamber where there are
a lot of small, amber-coloured, plastic beads, the appea-
rance of which is somewhat similar to caviar. These little
beads are also known as ion exchange resins. This resin
is available as cation resin and anion resin.
Cation resin is charged with acidic hydrogen ions (H+)
and exchanges all the positively charged ions in the
drinking water with hydrogen (H+). Anion resin is charged
with strongly alkaline hydroxide ions (OH-) and exchan-
ges all the negatively charged ions in the drinking water
with hydroxide (OH-). After the drinking water has passed
through both types of resin, all the dissolved impurities
have been converted into water (H+) + (OH-) ---> H2O.
The result is pure water, without any impurities.
Cleantec’s deionising cartridges are fitted with a conduc-
tance measurement device installed at the cartridge’s
exit point with a traffic light display (green – red) and an
adjustable threshold value. The traffic light display clearly
shows if the conductance value, which starts at less than
1 yS, rises above the set threshold value. The deionising
cartridges can be dismantled from the trolley and sent
for renewal or the mixed-bed resin can be exchanged for
a new or recycled resin once it has been depleted. The
depleted resin is reactivated with hydrochloric acid or
sodium hydroxide at a recycling station.
The micro-filter at the water entry point should be che-
cked regularly to prevent contamination. Insert a new
filter cartridge if necessary.
Cleantecs GmbH | +49 (0)7307 - 9265 0 | email@example.com | www.cleantecs.de