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Granulation
- 4. Spray granulation uniformity closely related to liquid content; Hardness: mostly related to binder (and particle characteristics)
- 9. Taken from TA Ring, 1996 Droplet/particle: mean residence time ~ 30 sec Three basic steps: (a)atomization, (b)droplet drying, (c) gas-droplet mixing
- 10. Spray dried samples: donut particle, temperature rise too fast, surface dried (sealed), vaporization of internal liquid pores (viscous binder fluid may flow toward inside)
- 18. Classification Che5700 陶瓷粉末處理
- 20. Taken from TA Ring, 1996; can add some baffles, to separate large particles
- 22. 取自 TA Ring 1996; Cut size; bypass; Sharpness index b-b’ curve: normal case
- 24. Che5700 陶瓷粉末處理
- 25. phase transformation during calcination Gibbsite, Bayerite Al(OH) 3 ; Boehmite AlOOH Diaspore α-AlOOH