2016 Borealis Safety Standards for AN pumps – application to existing plants


We defined a way to ensure the safe operation of an AN pump by using a bowtie analysis method.

We defined minimum requirements for AN pumps

– Pump technology and features (features: VSD, rotation speed)

– Two independent barriers for high temperature / pressure at the pump outlet

– One barrier for acidity (barrier linked to tank operation)

– One barrier for contamination (barrier linked to tank operation)

– We defined a catalogue of procedure and design related safeguards, to complete this minimum requirements to achieve a sufficient level of safety.


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