Mohammed, Afzal-Ur-Rahman [Inventor], Dahmash, Eman [Inventor], Ahmed, Jiteen [Inventor] and Drew, Thomas [Inventor] (2021) Aston University Coating apparatus and method. .

Abstract

The present invention relates to an apparatus for coating carrier particles with guest particles. The apparatus com prises a cylindrical processing vessel rotatable about its axis and having solid walls defining a chamber for receiving the particles, and a hollow shaft extending within the chamber at least partly along the axis of the cylindrical processing vessel, the hollow shaft defining a gas flow path connected to a gas inlet. The hollow shaft comprises one or more axially - extending slots or one or more axially - extending rows of apertures allowing fluid communication between the gas flow path and the chamber. The apparatus may be used in a process for coating carrier particles with guest particles, the process comprising: adding the particles to the chamber defined by the cylindrical processing vessel; rotating the cylindrical processing vessel about its axis; and flowing gas from the gas inlet along the gas flow path in the hollow shaft and into the chamber through the one or more axially extending slots or one or more axially - extending rows of apertures.

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