This document discusses magnetic separation processes. It begins with an introduction explaining that magnetic separation involves using magnetic forces to extract magnetically susceptible materials from mixtures. It then describes different types of magnetic separators including Edison separators, ball and Norton separators, magnetic drum separators, roller separators, gravity feed separators, and magnetic coolant separators. It explains how each works and their applications in industries like mining, ceramics, chemicals, food, and more. The key advantages of magnetic separation are that it provides an effective means of separating and concentrating magnetic materials from gangue.

1. A DISCUSSION
A DISCUSSION
ON
MAGNETIC SEPARATION
ON
MAGNETIC SEPARATION

2. INTRODUCTION
Magnetic separation is a process in which
magnetically susceptible material is
extracted from a mixture using a magnetic
force.
Since 19th century magnetic separation processes have
been used to concentrate and separate minerals.

3. INTRODUCTION
# By combining the different forces of magnets with
gravitational or frictional forces a separation of
mineral particle is possible. Two or more products
are obtained depending on their commercial
value, these products are concentrates, middlings,
or tailings.
# Ferromagnetism, paramagnetism and
diamagnetism are the three important properties of
the minerals which is used for Magnetic separation.

5. APPLICATION OF MAGNETISM AS
SEPARATOR
Basically Magnetism is used for five distinct type of
separation :
1.For the removal of iron in coarse and
intermediate- crushing circuits, as a protection to the
crushing machine.
2.For the concentration of iron ore other than magnetite,
after preliminary conversion of iron minerals to artificial
magnetite by suitable Roasting.

6. 4. For the removal of small quantities of iron ore
minerals from Ceramic raw materials.
5. For the concentration of slightly Paramagnetic
minerals such as those of Manganese, tungsten,
chromium, tin, zinc, titanium, etc.

7. CLASSIFICATION OF MAGNETIC
SEPARATOR
It can be classified according to the medium in
which the separation is made, the mode of the
presentation of the feed, the mode of disposal of the
products, & whether the magnets are stationary or
moving.

8. IMPORTANT TYPES OF MAGNETIC
SEPARATOR
1.EDISON SEPARATOR
2.BALL NORTON SEPARATOR
3.MAGNETIC DRUM SEPARATOR
4.ROLLAR TYPE SEPATOR
5.GRAVITY FEED MAGNETIC SEPARATOR
6.MAGNETIC COOLENT SEPARATOR
7.WET DRUM SEPRATOR

9. EDISON SEPARATOR
Edison separator consists of a bar
magnet . The ore as thin streams
falls in front of the poles, susceptible
particles being deflected inwards &
nonsusceptible particles continuing
to fall undeflected.
This separator was not wholly
successful because of inability of
control flow of solid in a thin sheet,
& because of lack of control over the
speed of the falling particles.

10. BALL NORTON SEPARATOR
Unlike most magnetic separators which are used to remove
relatively small amounts of metal, the Ball Norton Separator is
designed to handle large amounts of ferrous material - removing
other undesirable elements. A unique combination of alternating
magnetic poles and vibratory conveying works to clean the
magnetic material. Applications include foundry shot, crushed
borings, slag and magnetic ores.

11. MAGNETIC DRUM SEPARATOR

12. Magnetic drum separators are important
magnetic separators that removes ferrous metal
from dry bulk products in free-flowing
processing systems. They are self cleaning unit
consisting of drums and housing normally of
stainless steel. The magnetic drum separators
are available both in single or double drum
configuration.

14. How it Works?
The processing materials enters the top of the magnetic
drum separator and flows across the surface of the drum.
The rotatory drum in the magnetic field captures the
ferrous tramps whereas non ferrous falls free from the
drum into the cleaned material flow. As the drum rotates,
the ferrous metal so captured is carried past the diverter
and released outside of the magnetic field.

15. Applications
The magnetic drum separator is ideal for separating iron particles from
granules & powders It is widely used in the following industries:
•Glass
•Ceramic
•Chemical
•Fertilizer
•Plastic
•Food industry
•Iron and steel slag treatment
•Reduced pyrite ash separation
Metal powder production

16. How it Works?
The material is discharge on the belt by the feeder. The magnetic
roll is enveloped by the conveyor. The para and ferro magnetic
ingredients remains stuck to the belt whereas non magnetic
ingredients passes freely at the end of the conveyor.
Roller type magnetic separator is
meant to separate ferrous
contaminants from the flimsy
magnetized dry granular metallic and
nonmetallic materials. Roller type
magnetic separator has wide
application in industries and mineral
technology. The separator uses high
powered rare earth magnets with very
low dimensional tolerance. The other
components of the machine are
conveyor and vibratory feeder. The
magnetic rolls are available in different
widths and magnetic strength

17. Applications
Roller type magnetic separator finds applications in the following areas
like:
•Glass industries
•Abrasive refractory
•Quartz cleaning
•Upgrading of graphite
•Recovery of metals from slag removal of ferro silicates
•Chemical industries

18. Gravity feed magnets separates ferrous tramp metal
through gravity system. These magnets are constructed
out of welded stainless steel and are available in stainless
steel structure. The gravity magnet comes in different
shapes and sizes and are ideal for narrow chute
applications. Gravity feed magnets are normally used in
vertical flow system.

19. Applications
Gravity magnetic separators have different industrial and commercial
usage. They are applied in industries like:
•Food industry
•Chemical industry
•Grain processing industries
Pharmaceutical industries

20. MAGNETIC COOLENT SEPARATOR
Magnetic coolant separator is a
device which cleans the coolant
liquid of very fine ferrous particles.
It removes the iron chips from the
milling or grinding liquid. It is light
and compact structure having
strong magnetic power which can
remove very fine ferrous particles.
For precise grinding operations
uninterrupted flow of oil is must.
The coolant magnetic separator
ensures the uninterrupted flow of
the liquid.

21. WET DRUM SEPARATOR

22. Features
 Wet drum magnets have high magnetic recovery and
discharge.
 The feed slurries recover the magnetics.
 Available in single or multiple drum applications.
 Recover magnetic solids in as clean a magnetic
concentrate as possible .
 The magnet / pole elements are bolted to a mild steel
shaft.
 The drum is made from thick stainless steel for long
service life.
 Wet drum separators are available in different
configuration like single drum, double drum and
multiple drum.

23. Applications
 Glass industry
 Chemical industry
 Plastic industry
 Mining industry
 Food industry
 Pharmaceuticals industry
 Foundry industry

24. THANK YOU