2011
DOI: 10.1016/j.cep.2011.06.010
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Particle distribution model of gibbsite precipitation process in alumina production

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Cited by 5 publications
(3 citation statements)
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“…However, the use of an active seed reduces diffusion limitations, and it also increases the degree of precipitation by further increasing the surface area of the seed. According to literature data [27][28][29], when precipitation occurs using a metallurgical quality seed, the activation energy of the process has the same order, but the precipitation rate is much lower. It can be connected with the predominance of nucleation in the FLG precipitation process because gibbsite crystal growth rate is the slowest stage of the Bayer precipitation process [30].…”
Section: Table 3 Results Of the Processing Of The Curves Inmentioning
confidence: 99%
“…However, the use of an active seed reduces diffusion limitations, and it also increases the degree of precipitation by further increasing the surface area of the seed. According to literature data [27][28][29], when precipitation occurs using a metallurgical quality seed, the activation energy of the process has the same order, but the precipitation rate is much lower. It can be connected with the predominance of nucleation in the FLG precipitation process because gibbsite crystal growth rate is the slowest stage of the Bayer precipitation process [30].…”
Section: Table 3 Results Of the Processing Of The Curves Inmentioning
confidence: 99%
“…It predicts a dynamic response over the full particle size distribution (PSD), which is crucial for evaluating the overall precipitation yield and product properties. Different to the gibbsite precipitation models published previously, such as ASPEN (Stephenson and Kapraun, 2013), SysCAD (Stamatiou et al, 2013), and Matlab/Simulink (Zhang et al, 2011) models, our precipitation circuit model predicts a dynamic response of the full particle size distribution with accuracy matching the experimental 300 channels M A N U S C R I P T…”
Section: Introductionmentioning
confidence: 95%
“…Em 2011, Zhang et al [50] publicaram modelo de cristalização para prever a distribuição granulométrica através do método de momentos. Utilizaram balanço populacional dinâmico considerando os mecanismos de crescimento, nucleação e aglomeração para simularem um experimento em escala laboratorial.…”
Section: Modelagem E Simulação Da Cristalização De Hidróxido De Alumíniounclassified