what is pneumatic conveying
What is Pneumatic Conveying. Pneumatic conveying is a material transportation process in which powders or granular materials are moved over horizontal and vertical distances within a plant premises with the help of air. Pneumatic conveying, unlike other conveying methods, involves no moving parts. 2  The materials move through pipes-without any spillages or chances of contamination or exposure to the external factors. 3  This process is energy efficient. 4  It does not pollute the environment if the system is designed properly.