Comparative analysis of granule properties in continuous granulators

Process Simulation of Twin‐Screw Granulator: Effect of Screw Configuration on Size Distribution

“…With knowledge of KE facilitating formation of more fines [30] and supported from studies by [2], the findings of less oversized granules from Exp5 proves consistent with literature and experimental work. A more recent work by [31] on the impact of kneading and conveying elements within the twin screw granulation process also further justifies the trend observed for Exp5 with low agglomerates and high desired sizes of 100-1000 mm. Since kneading elements promote formation of less sized granules and hinders further agglomeration due to its mechanistic and crushing action [31], it is expected that any setup ending in KE will result in less agglomeration as in Exp5.…”

“…A more recent work by [31] on the impact of kneading and conveying elements within the twin screw granulation process also further justifies the trend observed for Exp5 with low agglomerates and high desired sizes of 100-1000 mm. Since kneading elements promote formation of less sized granules and hinders further agglomeration due to its mechanistic and crushing action [31], it is expected that any setup ending in KE will result in less agglomeration as in Exp5. Again, with CE ending the configurations of Exp6 and Exp4, the tendency of these elements to facilitate more granule growth is confirmed by these simulations as also experimentally proven in [31].…”

“…Since kneading elements promote formation of less sized granules and hinders further agglomeration due to its mechanistic and crushing action [31], it is expected that any setup ending in KE will result in less agglomeration as in Exp5. Again, with CE ending the configurations of Exp6 and Exp4, the tendency of these elements to facilitate more granule growth is confirmed by these simulations as also experimentally proven in [31]. Therefore, though the same high L/S ratio applies to all these varying screw setups, the positioning of the kneading and conveying elements further determines the characteristic sizes formed from the granulation process.…”