| 摘要 |
<p>In a process for coating particles, in which the particles are circulated upwards through a first spraying and drying zone and downwards through a second drying and residence zone, the capacity is increased and agglomeration and heat damage avoided by using a lower temperature of gas supplied to said second residence and drying zone than the temperature of the gas supplied to said first spraying and drying zone. <IMAGE></p> |
