BRAND-NEW
New H2O’s Solution to Reduce COD by Further 50 Percent H2O has developed the Purecat solution: this new technology, in combination with Clearcat, is able to reduce COD 50 percent further.
T
he limits of the chemical oxygen demand (COD – Chemical
minimize the COD value. In fact, thanks to this solution the treated
Oxygen Demand) for the reuse and discharge of polluted
water can be reused in production or discharged, and previous
industrial wastewater are becoming increasingly strict globally.
complex processes will be simplified, because maintenance- and
COD measures the pollution of wastewater with organic substances,
cost-intensive activated carbon filters used for post-treatment will no
such as oils.
longer be needed.”
The H2O GmbH’s application centre for wastewater-free production
As early as 2006, H2O launched a COD-reducing technology on
has developed a technology that reduces the COD value drastically.
the market. The Clearcat condensation stage achieved very good
“We are helping to make even more industries wastewater-free”
COD reduction, but often lacked the last bit to meet the values. The
said Uwe Hanschke, Head of application technology at H2O GmbH.
Purecat technology puts the necessary icing on the cake and, in
“We achieve fantastic values with our new Purecat technology. The
combination with Clearcat, reduces COD 50 percent further.
COD value in the wastewater is reduced by 97 per cent. This means that even very strict limit values can be complied with in order to
For further information: www.h2o-de.com
© H2O GmbH
The visual comparison shows the difference: in the laboratory, a rich green stands for a lot of COD, orange for little. The brighter the orange colour, the less COD. In the picture on the left, the distillate of the VACUDEST without technology, in the middle with Clearcat, on the right additionally with Purecat.
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N. 67 - JANUARY/FEBRUARY 2021 - international PAINT&COATING magazine