The limestone slurry is abrasive so in-line flowmeters are not practical. Non-contacting Doppler flowmeters can be used both on the fly ash slurry supply lines and on "used" or recirculated slurry.
The simple answer is, whatever you are measuring or trying to achieve, you can rest-assured that ultrasonic measurement will achieve what you want it to. However, for the small 5% of the applications outlined above, radar will solve your problem.
Doppler and Transit Time for non-invasive measurement of flow in full pipes.
Pulsar & Greyline product placement guide for Wastewater treatment plants.
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