Chapter 6

Numerical Study of Flow Through a Reducer for Scale Growth Suppression

Prasanjit Das1, M.M.K. Khan1, Suvash C. Saha2 and M.G. Rasul1,    1School of Engineering and Technology, Central Queensland University, Rockhampton, QLD, Australia,    2Faculty of Science and Engineering, School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology, Brisbane, QLD, Australia

Scale formation in alumina refineries is a common phenomenon and it occurs where supersaturated solutions are in contact with solid surfaces. It often leads to serious on-going technical problems and is a major cause of production loss due to equipment downtime required for descaling and cleaning operations.

The scale formation mechanism in Bayer ...

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