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Alky settler

Multi-point interface tracking in the settler

Process data

Measuring task:
Density measurement
Measuring point:
Horizontal tank
Measuring range up to:
4 m
Acid and hydrocarbon liquids
Process temperature:
+25 … +200 °C
Process pressure:
+1 … +16 bar
Special challenges:
Aggressive medium, hazardous area, multiple interface and emulsion layers


In an alkylation unit the acid settler is fed from the reactor vessel which is used to remove acid for recycling back into the reactor. The layers created in the separation process form interfaces that must be tracked to manage the output of the material from the unit. Reporting density on a horizontal plane enables accurate control of the process and maximizes throughput, therefore controlling the acid levels for optimal processing.

Your benefit

Measurement across the span of the vessel with multiple sensors increases the availability
Cost effective
Air/water calibration reduces commissioning time
User friendly
Non-invasive measurement ensures easy and safe maintenance

Recommended products

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Industry brochure

Level and pressure instrumentation for refining and petrochemical