PARTICLE SIZE REDUCTION METHODS (other than comminution)

Question 1

Also known as jet-milling or micronizing

Answer 1

Fluid energy grinding

Question 2

The particles to be micronized are swept into violent turbulence by the sonic and supersonic velocity of air streams

Answer 2

Fluid energy grinding/Jet-milling/Micronizing

Question 3

The particles are accelerated into high velocities and collide with one another, resulting in fragmentation and decrease in size of particle

Answer 3

Fluid energy grinding/Jet-milling/Micronizing

Question 4

Makes use of micropulverizers which are high speed, attrition or impact mills efficient in producing powders of about 10-50 mcm in size

Answer 4

Micropulverizers