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RSSThe Influence Of A Swinging Bowl On Granulate Properties
May 28, 2009
•Article: The Influence Of A Swinging Bowl On Granulate Properties
By Griet Van Vaerenbergh, Collette nv
The influence of the use of a swinging bowl on drying times and granulate properties of a low-binder formulation was studied. One large batch of granulate was prepared in a high-shear mixer (GRAL 600) and divided into sub-batches that were dried under vacuum in a high shear single pot processor (ULTIMA 25), either using the swinging bowl or not.
Drying time, particle size distribution, flowability, poured and tapped bulk density, Carr's Index and Hausner ratio of the granulate dried with the 2 different methods are compared.
The results show that using the swinging bowl during drying speeds up the drying process, improves the particle size distribution, leading to better flowability and bulk density results.
Single pot processing with the use of the swinging bowl can thus present a solution for contained processing of low-binder formulations.
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