Iron Ore Pellet Industry

Industry

Iron Ore Pellet Industry

Usage

Adding Bentonite increases the strength of pellets

Delivery & Storage

Valve type bags / PP or HDPE bags / Paper or customized palletizing facility available as per customer requirement like wrapped in Corrugated boxes, jumbo bags, & wooden boxes with SPECIAL packing material support so that bags will not be damaged during the transit

Big-bags Store in dry/aerated space: with laminated or with liners with customized palletizing

Recommendations:
  • Pelletizing of Iron Ore
  • Suitable for Palletization of Other Metal Ore.
  • Mix with water of decent quality 
  • Using high-shear blenders.
  • Ensure proper ore blending.

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Bentonite in Iron-Ore Pellet Industry

During the pelletization process, the proportion of Bentonite added to Iron-ore is in the proportion of 0.5%. Adding bentonite improves the strength of the green pellet. The falling strength and compression strength of the green pellet increase as bentonite content increases.

Desired Specification of Bentonite in Pellet industry (Case study):

Physical Properties

Parameter

Test Results

Moisture

14% maximum

Structure

a) 5% - 100 mesh
b) Max. Particle size 40 mm

Grit for Crude

Max. 5% - 325 mesh

Process Properties

Parameter

Test Results

18" green drop number

8 minimum

Green Compression Strength

0.612 kg minimum

Dry Compression Strength

4 kg minimum

Sintered Plate Water Absorption value

700 minimum

Colloids

70% minimum

Moisture Swelling Value/Swelling Index

30 ml minimum

Gel formation Index

60 ml minimum

Methylene Blue Absorption (MBA)

400 mg/g minimum

Chemical Properties

Parameter

Test Results

Cao (Calcium Oxide)

1.5% maximum

Na2O (Sodium Oxide)

2.0% minimum

Ratio of Na2O to CaO

02:01

SiO2

55 - 62%

Al2O3

10 -13%

Fe2O3

12 - 15%

MgO

2 - 3%

P

0.045% maximum

S

0.008% maximum

K2O

0.1 - 0.5%

Loss on Ignition (LOI)

8 - 12%
Note:

The stated technical values and product specifications are indicative and are based on experiments carried out using distilled water under laboratory conditions. The above information should not be construed as a promise or guarantee of the properties of a product derived from natural materials, the original properties of which may differ depending on a variety of factors. Mixing the composition and purity of water also greatly impacts the properties and efficiency of the slurry. The above knowledge does not relieve consumers of any responsibility to carry out their own tests, and it is advised that any decision to use our goods should be based on the results of such tests.

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