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19.08.2014  |  20272x
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AGT System - maximum fluid bed flexibility in production scale

Batch and continuous granulation and coating in one equipment for maximum process flexibility

Weimar, August / 19 / 2014 – In a world of short-living products, flexibility of production equipment may give the leading edge on the market. For fluid bed processes, Glatt has designed and installed this flexibility in large scale. The AGT System can be equipped with an AGT insert for continuous spray granulation, a GF insert for continuous agglomeration and coating and a Vario insert for agglomeration and coating in batch mode. With this equipment even contract manu-facturers achieve the flexibility that they need to serve multiple cus-tomers. One unit with high capacities ensures low production cost.
All inserts are shown at the Powtech 2014 in laboratory scale with the ProCell LabSystem.
Fluid bed equipment can be used for spray granulation, agglomeration and coating. The process can be controlled and the product quality optimized by changing various parameters, including the design of the processing chamber.
Laboratory equipment for feasibility trials typically offers a wide range of adjustments and evaluation of process parameters. Glatt has installed the same flexibility in the pilot scale. The AGT PilotSystem, at the Glatt technology center in Weimar, is a round fluid bed unit, which can be equipped with a circular insert, enabling a plug flow through the unit – the GF insert.
The capacity of the AGT PilotSystem varies between 10 and 150 kg/batch or 5 to 50 kg/h continuously.
The advantage of the AGT PilotSystem is not only the flexibility of various processes, but the round construction of the unit allows the fluid bed to be built explosion pressure resistant.
Fluid bed spray granulation – forming granules directly from a liquid raw material only – is usually done in continuous process.
Fluid bed agglomeration – forming granules from a powder by spraying a binder – is usually done in batch process or in rectangular continuous fluid beds, since this process almost always needs a drying step after the agglomeration of the powder. The GF insert in the AGT system allows plug flow in a round process chamber.
Fluid bed coating – adding a protective or active layer to existing particles – is usually done in batch process or in quite long continuous fluid beds, since a good control on residence time is needed to ensure a good product quality.
Batch agglomeration and batch coating in top spray or in bottom spray (Wurster coating) can be done with the Vario insert.

Company information

Glatt Ingenieurtechnik GmbH
Glatt Ingenieurtechnik GmbH
Glatt is specialized in intelligent particle design for the generation and functionalization of powders and granulates with defined, adjustable properties. The focus is on particles and powders for pigments, catalytic, ceramic or battery materials as well as for granules and pellets as additives for e.g. industrial salts, detergents and cleaning agents, fertilizers, pesticides, food, feed, dietary supplements and pharmaceuticals. Encapsulation of flavors, enzymes, vitamins, microorganisms, probiotics or fatty acids (PUFA) is just as possible as encapsulation of essential oils and other active, sensitive substances to be protected. With Glatt APPtec®, a unique technology for spray calcination, it is possible to generate, coat and then calcine particles in a pulsing hot gas stream in a single process step. As a pioneer in fluid bed and spouted bed technologies, Glatt masters these important processes for the formulation and optimization of particle properties through defined spray agglomeration, spray granulation, spray coating or (micro)encapsulation as well as through combinations of these processes. Also in the high temperature range. Glatt supports the product idea from the early phase of product formulation through process development to scale-up to production scale. Under the leadership of the Glatt Process & Plant Engineering teams, customized production plants for nutrition, fine chemicals, pharmaceuticals, and biotech applications are successfully planned and commissioned. Worldwide. Whether based on powder synthesis, fluid bed or spouted bed technology, Glatt also offers certified contract manufacturing for customers without their own production capacities.
Last update: 27.02.2024

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