Amrfeo Private Limited

Bentonite binder for iron ore pelletizing

Higher drop number at 1.2% addition

Pellet-Maker™

Added at just 1.2% of the ore fines, it raises the drop number and the yield, for a better TFe percentage.

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What the binder has to do in the pellet plant

  1. 1Drop number
  2. 2Dry strength
  3. 3Swelling
  4. 4Low silica
  5. 5200 mesh
Iron ore pellets beside a centimetre scale

Bind the fines, and hold the drop

Mechanically processed and treated with soda ash to reach a very high swelling capacity, which binds the iron ore fines. Green compressive strength is excellent, the binding force is good, and drop number improves immediately on a lower addition of 1.2%.

Red-hot iron ore pellets leaving the induration furnace

Still a pellet once it is dry

Green and dry compressive strength are both excellent, with good binding force, so the ball holds its shape after drying as well as wet on the disc.

An inclined pelletizing disc turning in an iron ore pellet plant

Swelling, measured before it ships

Free swelling volume 35 ml by ASTM D5890, PWA 650 minimum at 2 hours, and methylene blue adsorption 380 mg/g minimum to the VDG standard. The montmorillonite value is high.

A stockpile of washed iron ore fines under the plant conveyor

Less inert material in the charge

The silica percentage is low, so less inert material dilutes the ore charge: the yield rises and the TFe percentage improves.

Bentonite stockpiles and containers loading at our Bhuj plant

Ground fine, and made by us

90% passes through 200 mesh, and that finer mesh gives a larger surface area. Milled and processed in-house at our own plant at Bhuj, Kutch.

Running a different binder today?

Send us the analysis of your ore fines and the addition rate you run now. The technical desk reads it and replies within 1 working day.

Made by us. Checked by others.

Since 1994

A manufacturer, not a trader. Bentonite at Bhuj, polymers at Domjur.

ISO 9001:2015

All our plants are quality management system certified.

Star Export House

Recognised by the Government of India. We ship through Mundra and Kandla.

Own mine, Kutch

The clay in every bag comes from our own reserves in Kutch.

Pellet-Maker™, and its specification

One grade, added at 1.2%.

  • 35 mlfree swelling volume, ASTM D5890
  • 380 mg/gmethylene blue adsorption, VDG, minimum
  • 650PWA at 2 hours, minimum
  • 90%passing 200 mesh
  • 12% maxmoisture by weight

Pellet-Maker™ product page

Frequently Asked Questions

What is Pellet-Maker™ used for?

Binding iron ore fines into green and fired pellets for blast furnace and DRI feed. It is treated with soda ash to swell strongly, and that swelling binds the fines. It drops straight into standard balling drums and discs.

How much bentonite per tonne of pellet feed?

Pellet-Maker™ goes in at 1.2% by weight of the pellet feed. At that addition, drop number improves straight away and yield rises, with better TFe.

Will it affect my pellet's iron content (TFe)?

The silica percentage is low, so less inert material dilutes the ore charge: the yield will increase, offering better TFe percentage. Send us your ore fines analysis if you want this answered against your own charge.

What is the particle size?

90% passes through 200 mesh. That finer mesh gives a larger surface area.

Why cost the binder per tonne of pellets rather than per tonne of bags?

Because your plant is paid for pellets, not for bags. At the 1.2% addition, one tonne of Pellet-Maker™ goes into about 83 tonnes of pellet feed, so your binder cost per tonne of pellets is the delivered price divided by about 83. The addition rate is what moves that number.

Who supplies bentonite binder for iron ore pellet plants?

Amrfeo Private Limited, a manufacturer since 1994, makes and exports Pellet-Maker™, its bentonite binder for iron ore pellet plants, supplying buyers across the Gulf, Europe and Asia. The bentonite is mined and processed at our plant at Bhuj, Kutch, Gujarat, under ISO 9001:2015.

Switching from another binder: what changes?

More than the dose. Pellet-Maker™ goes in at 1.2% by weight, and it gives excellent green and dry compressive strength with a good binding force, so the drop number improves straight away. It drops into standard balling drums and discs. Send us your ore fines analysis and current binder dose, and the technical desk will propose a starting addition.

Sodium or calcium bentonite for iron ore pelletizing: which binds better?

Sodium bentonite, because it gives a very high swelling capacity, and the swelling is what binds the iron ore fines. Green and dry pellets come out strong, and the drop number improves at a lower addition of 1.2%.

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