Application technology bleach plant in the Pulp & Paper sector

Bleach Plant with gas

Oxygen delignification and other

MESSER SOLUTION

Oxygen is the basis of the environmentally friendly bleaching processes oxygen delignification and ozone-bleaching.

 

Oxygen delignification:
Oxygen delignification is today a proven bleaching technology and is widely used as a bleaching stage in ECF and TCF processes, especially as a first bleaching stage. It enables a good kappa number reduction while maintaining strength and can be well integrated into the washing cycle during the Kraft process to reduce the water requirement. Furthermore, this process is characterised by its low chemical costs.

Ozone-bleaching:
Due to its high reactivity, ozone is particularly suitable for the bleaching of high-white pulps. The reaction time is short, even at low temperatures. For the production of ozone on site ozone generators are used, which are fed for economic reasons with pure oxygen. As with oxygen bleaching, only halogen-free wastewater is produced.

Application technology bleach plant in the Pulp & Paper sector

Bleach Plant with gas

Oxygen delignification and other

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