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…2002).
Increased crystallization time can reduce the Al2O3 concentration in the supernatant. At 30
hours, the Al2O3 in the supernatant is 45 g/l at 50 oC and 55 g/l at 60 oC (Ullmann's, 2002). US
2,701,752 gives a precipitation time of 36 to 48 hrs, and Konigsberger (2008) gives a
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crystallization time of at least one day. In this GTG,…
https://www.wichita.edu/academics/engineering/windenergy/documents/FINAL_TECHNICAL_REPORT_Task3_3_1_10.pdf