SIZE REDUCTION & SIZE ENLARGEMENT

Question 1

Also known as
comminution

Answer 1

Size Reduction

Question 2

breaking down large
particles into smaller
ones to achieve a
desired particle size
distribution.

Answer 2

Size Reduction

Question 3

Involves
agglomerating fine
particles into larger
ones to enhance
functionality or ease
handling

Answer 3

Size Enlargement

Question 4

These
operations modify the size
of materials to achieve
specific goals such as
improving product quality,
increasing surface area,
or making the material
more amenable to further
processing

Answer 4

Size reduction and Enlargement

Question 5

Methods/Techniques of Size Reduction

Answer 5

Crushing
Grinding
Compression
Cutting
Impact

Question 6

Breaking down
large, coarse
materials into
smaller
fragments

Answer 6

Crushing

Question 7

Producing fine
particles by
applying
mechanical
forces.

Answer 7

Grinding

Question 8

Applying
compressive
forces to break
materials

Answer 8

Compression

Question 9

Using sharp
blades to reduce
the size of
fibrous
materials.

Answer 9

Cutting

Question 10

Using high-speed
forces to fracture
particles

Answer 10

Impact

Question 11

Size enlargement Techniques and methods

Answer 11

Granulation
Pelletization
Agglomeration
Compaction
Coating

Question 12

Transforming
fine powders into
larger, denser
granules

Answer 12

Granulation

Question 13

Forming
spherical or
cylindrical pellets
using pressure
and/or binding
agents

Answer 13

Pelletizing

Question 14

Combining fine
particles into
loose clusters

Answer 14

Agglomeration

Question 15

Compressing fine
powders into
dense, solid
forms

Answer 15

Compaction

Question 16

Adding a layer of
material to
particles for size
enhancement or
functionality

Answer 16

Coating

Question 17

Size Reduction Equipment

Answer 17

Crusher
Grinders
Mills
Cutting Equipment

Question 18

Types of Grinders

Answer 18

Pin Mill
Jet Mill

Question 19

Types of Crusher

Answer 19

Jaw
Roll

Question 20

Types of Mills

Answer 20

Ball
Hammer

Question 21

Types of Cutting Equipment

Answer 21

Knife Mill
Rotary Cutter

Question 22

For coarse size reduction of large, hard
materials

Answer 22

Crusher

Question 23

Uses compressive force for primary crushing
of materials like rocks and ores

Answer 23

Jaw

Question 24

Employs shear and compression forces for Grinders materials like coal

Answer 24

Roll Crusher

Question 25

Produces powders and fine particles

Answer 25

Grinders

Question 26

High-speed impact forces break materials into fine powders

Answer 26

Pin Mills

Question 27

Uses air or steam jets to reduce materials to micron levels

Answer 27

Jet Mill

Question 28

For intermediate and fine size reduction

Answer 28

Mills

Question 29

Uses tumbling action for brittle materials like pigments and ceramics.

Answer 29

Ball Mill

Question 30

For fibrous or soft materials

Answer 30

Cutting Equipment

Question 31

Uses sharp blades to cut materials like herbs or synthetic fibers

Answer 31

Knife mill

Question 32

Suitable for processing plastics or fibers

Answer 32

rotary cutter

Question 33

Types of Granulators

Answer 33

Fluidized Bed High-Shear

Question 34

Types of Pelletizers

Answer 34

Disc Drum

Question 35

Forms spherical or cylindrical pellets from powdery materials

Answer 35

Pelletizer

Question 36

Rotating disc for uniform pellet formation

Answer 36

Disc

Question 37

A rotating drum rolls the material into pellets

Answer 37

Drum

Question 38

Uses fluidization and binder spraying to form granules

Answer 38

Fluidized Bed

Question 39

Rapid mixing and binding via an impeller

Answer 39

High-Shear

Question 40

Types of Agglomerators

Answer 40

Tumbling Spray

Question 41

Types of Compactors

Answer 41

Tablet Press Roll Compactor

Question 42

Combines fine particles into loosely bound clusters to reduce dust and improve flowability.

Answer 42

Agglomerators

Question 43

Material is agitated in a rotating drum or pan

Answer 43

Tumbling

Question 44

Uses liquid binders to form agglomerates in a Compactors spray bed or fluidized bed

Answer 44

Spray

Question 45

Compresses powders into denser materials like sheets or ribbons

Answer 45

Compactors

Question 46

Compresses granules into solid tablets

Answer 46

Tablet Press

Question 47

Applies pressure between rollers to compact powders

Answer 47

Roll Compactor