Application technology alkali regeneration in the Pulp & Paper sector

Alkali Regeneration with oxygen

Higher productivity and lower ecological impact

GAS APPLICATION

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, fluidized bed ovens, deck ovens, etc.

Oxygen enrichment leads to

Significantly increased capacities
Reduction in energy use
Optimisation of the entire process


MESSER SOLUTION


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. This is possible with the OxyCone gas injector from Messer.

Advantages are:

Reliable homogeneous oxygen concentration 
Maximum utilisation of the advantages of the oxygenation process in the combustion zone.
Avoidance of improper mixing with excessive oxygen concentrations and local overheating (hot spots).

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By clicking I accept the GDPR policy of the Messer Group. This agreement can be revoked at any time