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Lime milk pipeline

Density measurement in lime milk

Process data

Measuring task:
Density measurement
Measuring point:
Measuring range up to:
0.3 m
Lime milk
Process temperature:
-40 … +50 °C
Process pressure:
+1 … +3 bar
Special challenges:
Determining exact density of lime milk


The flue gas enters the scrubbing tower (absorber) and cools down further. Here the lime milk (gypsum suspension) is sprayed into the flue gas to wash out the SO2 gas component. The sulphur dioxide is converted into calcium sulphite, which then falls into the absorber sump. To ensure effective flue gas desulfurization, the lime milk (gypsum suspension) must always have a certain density. Radiation-based measurement is used to ensure this.

Your benefit

Maximum safety through approvals according to SIL
Cost effective
Reliable density measurement ensures high plant availability
User friendly
Maintenance-free through non-contact measurement

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