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Oxygen Delignification

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State of the Art Design

Kempulp is a world leader in oxygen delignification, having supplied over one hundred forty medium consistency oxygen delignification installations worldwide.

DualOx® Enhanced Oxygen Delignification

Oxygen delignification has historically been done using various concepts; in several ways, high consistency, medium consistency, one stage or two stages. The state of the art design today is the Kempulp DualOx® system which offers better selectivity, lower bleach chemical consumption and possibilities to increase the cooking plant production.
The DUALOX system is a compact two-reactor oxygen delignification system setting a standard for the state-of-the-art technology. It allows a high delignification degree to go hand in hand with a good selectivity.
The DUFLO® Pump excels in the pumping of medium consistency pulp. A clean and robust design with an integrated internal vacuum pump and direct drive arrangement reduces the total installed cost and minimizes the need for maintenance.
The DualSmix® inline mixer efficiently mixes steam and medium consistency pulp without the damaging vibrations associated with other steam mixer designs.
Kempulp Mixers are supplied in versions optimized for specific chemicals such as Oxygen, Chlorine Dioxide, and Ozone.

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The members of our KEMPULP team have collectively centuries of experience in the world of chemical pulping.

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