obsolete_Application technology liquor recovery in the Pulp & Paper sector

Liquor recovery with gases

Oxygen boost for a process boost



Air consists of 78 % nitrogen, 21 % oxygen, just less than 1 % argon and other gases. In combustion processes that use air as an oxidant, the high nitrogen content is a limiting factor, since a portion of the energy generated is only used for heating of the inert gas and is therefore lost to the process.


The addition of oxygen to an air stream increases the oxygen concentration and thus at the same time improves the firing efficiency of the combustion. The technology of oxygen addition in combustion processes is flexible and can be applied to almost all types of furnaces, such as shaft furnaces, rotary drum ovens, grate firing ovens, fluidised bed ovens, deck ovens, etc.

Oxygen enrichment leads to

Significantly increased capacities
Reduction in energy use
Optimisation of the entire process
In order to exploit the full potential when burning the thick liquor, it is necessary to generate a homogeneous gas mixture over the shortest possible route.

obsolete_Customer process liquor recovery in the Pulp & Paper sector

Liquor recovery

In the pulp & paper industry

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