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Bleaching tower

Level measurement and point level detection in the bleaching tower

Level measurement and point level detection in the bleaching tower

Process data

Measuring task:
Level measurement and point level detection
Measuring point:
Bleaching tower
Measuring range up to:
25 m
Process temperature:
+85 … +95 °C
Process pressure:
0 … 0 bar
Special challenges:
Different pulp densities


In order to achieve the desired degree of whiteness, the pulp must be bleached. For this it is filled into the 25 meter high bleaching tower. The bleaching process runs continuously at temperatures up to 95 °C, with using chemicals such as oxygen, ozone or peroxide. The bleached pulp is discharged via screw conveyors. Due to its size, the bleaching tower is never emptied. Continuous level measurement enables a smooth process flow.

Your benefit

High operational reliability by reliable measurement, even with high pulp densities
Cost effective
Maximum utilization of bleaching tower volume
User friendly
Minimal servicing thanks to non-contact, maintenance-free measurement

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Industry brochure

Level and pressure instrumentation for the paper industry