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High shear granulation of dolomite – II: Effect of amount of binder liquid on process kinetics (CROSBI ID 209586)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Žižek, Krunoslav ; Hraste, Marin ; Gomzi, Zoran High shear granulation of dolomite – II: Effect of amount of binder liquid on process kinetics // Chemical engineering research & design, 92 (2014), 6; 1091-1106. doi: 10.1016/j.cherd.2013.10.002

Podaci o odgovornosti

Žižek, Krunoslav ; Hraste, Marin ; Gomzi, Zoran

engleski

High shear granulation of dolomite – II: Effect of amount of binder liquid on process kinetics

This paper, the second of a series, analyzes the effect of binder amount on the kinetics of wet granulation process. Granulation experiments were conducted in batch, lab-scale high shear mixer with formulation system that was initially studied in first part of a series. First, we identify the effect of binder content on the net granulation behaviour during early stage of the process. Single entity property (its size) was accounted only within this research. The results indicate that binder content strongly promotes growth of dolomite entities. Secondly, 1-D discretized population balance equation (PBE) and Equi-Partition of Kinetic Energy (EKE) theory were used to simulate the net granulation process. Tested “coalescence-only” models provide good prediction of real dolomite granule size distributions (GSDs) during early stage of the process for each binder content value. By using modelling procedure granule growth rates were quantified. Ultimate goal of relating the coalescence rates of dolomite entities with binder amount variable is provided. This will result in a better perspective of the meso-scale of the dolomite granulation process.

High shear granulation; Dolomite; Granule size distribution; Population balance; Process modelling; Binder content

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Podaci o izdanju

92 (6)

2014.

1091-1106

objavljeno

0263-8762

10.1016/j.cherd.2013.10.002

Povezanost rada

Kemijsko inženjerstvo

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