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20 - Mixing in Wastewater Treatment

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Q: What is the main purpose of a closed loop tank?
A: To create a steady, circulated flow
Q: Which of these describe the specific mixing power?
A: The ratio between the propeller power and the liquid volume
Q: What are deadzones?
A: Areas that are compromised during the mixing process
Q: How did the Stargard project redesign the layout of mixers in the tank?
A: They spread four mixers across the tank
Q: What is the aim of thrust-to-power sizing?
A: Deliver a sufficient thrust with the least possible energy consumption
Q: Which of these isn’t a main target for wastewater mixers?
A: To ensure quick drainage from the tank