Hot Gas Jet Mill

Abstract

Jet mill is very well-known particle size reduction method in dry process. Mechanism of jet mill is very simple and does not use any mechanical grinding. Therefore, this method is suitable for the applications that require lower contamination rate. So far various types of jet mill have been developed. However, one of the bottlenecks of this technology is mainly energy cost. Jet mill usually uses the compressor air and it is expensive to produce the compressed air. In this paper, hot gas jet mill is introduced in order to increase the grinding efficiency, i.e. to reduce the energy cost per product.

Graphical Abstract