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Bentonite Pelletization Process

Bentonite Pelletization Process

Bentonite pelletization process is becoming one of the most profitable investment directions. Whether you want to process bentonite ore to transform it into high value-added products, start a cat litter pellet production plant or take advantage of mineral waste, This operation offers excellent prospects. Here, YUSHUNXIN can provide you with “turnkey” solutions and a complete set of machinery. From crushing bentonite rocks to packaging granules, with an investment of between 100.000 y 500.000 USD, a capacity of 10.000 a 100.000 toneladas anuales (1‑20 TPH), among other parameters. So, You will be able to start your bentonite pellet manufacturing project.

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Los 3 projects main ones that require bentonite pelletization process

Are you looking for a solution to set up a bentonite processing plant?, produce cat litter or mix bentonite with mineral waste to create pellets? In those cases, The best option is to purchase a bentonite granule manufacturing system.

bentonite rock processing

Bentonite rock processing for profit

If you have bentonite mineral or powder and want to convert it into higher value products, It is best to process it in the form of pellets..

This way you can sell the granulated bentonite at a higher price, intended for soil conditioners, drilling mud, landfills, waterproof layers, among other industrial and environmental applications. Free quote
bentonite cat litter production

Manufacturing of cat litter pellets

Besides, Bentonite granulation line can help you set up a cat litter production plant.

In this process, bentonite powder is mixed with wood chips, fragrances, silica gel activated carbon to freely transform into 1–10 mm granules. Thus, will produce a bentonite cat litter characterized by being light, binder, dust-free and easy to handle. Free quote
mineral waste management

Mineral waste management

In addition, This technology offers an effective solution for the disposal of mineral waste from your mining company.

Similar to the cat litter manufacturing process, mining waste is mixed, fly ash or foundry slag with bentonite and transformed into stable pellets. Later, These granules can be reused as construction materials, filler aggregates or even as raw materials for cement and metallurgy. Free quote

Reducing environmental risk and disposal costs, while sometimes creating an additional source of income.

How to choose the suitable solution for making bentonite pellets?

When starting a bentonite pelletizing process project, YUSHUNXIN designs customized solutions for the manufacture of sanitary litter or mineral fertilizer. In general, These solutions are based on the capacity, the budget, the shape of the pellet and the final application.

If you are planning to invest in an industrial bentonite pellet processing project, the rotary drum granulation line is the most appropriate.
Thanks to the continuous rotation of the drum, will be able to quickly granulate bentonite rock powder with a maximum capacity of 30TPH. Enough for an industrial plant of up to 200,000 toneladas por año.
Besides, with wet granulation technology, You can freely select the size of the bentonite granules (3‑6 mm) through precise humidity control. For this, YUSHUNXIN offers customized rotary drum systems with high precision liquid spray devices.


configuration of an industrial bentonite granulation plant
Design of rotary drum granulator for fertilizers

When looking for a solution to process bentonite granules at low cost or high hardness, it is advisable to choose one roller press granulation line, based on dry extrusion technology.
On the one hand, no liquid used. Therefore, the process does not require a drying step. Which reduces investment in drying equipment and energy consumption.
On the other hand, The system forms the granules through physical pressure between rollers, achieving pellets with a hardness of 15–20N. Ideal as compact bentonite mineral fertilizers.


Economical solution for the production of bentonite pellets
roller fertilizer granulator design

Besides, for those who need to produce bentonite granules spherical pellets, especially in the production of cat litter, YUSHUNXIN designs appropriate systems, including rotary drum and disc lines. This disc granulation system provides a wider size range (1–8 mm) and a granulation rate greater than 93%.
Why disc granulation line produces round bentonite pellets? Because it regulates the formation mainly through the natural rolling of the material on the rotating disc, instead of a physical extrusion.
In addition, during sanitary litter manufacturing, Disc granulation line works efficiently due to its unique designs. It depends not only on the humidity setting, but also the inclination of the disc: the smaller the inclination, the larger the pellet size.


economic production of bentonite pellets
disc granulation equipment for sale

What are the steps in a complete bentonite granulation process?

To make the bentonite granule production solution described above work stably and efficiently, Various steps and equipment required. Normally, The system includes stages of mineral rock preparation, humidity setting, granulation, screening, drying, cooling, coating and packaging. Each stage provides essential benefits for the commercial production of bentonite pellets.
  • Raw Bentonite Feeding and Crushing

    To begin the processing of bentonite and facilitate the formation of pellets, it is advisable to reduce bentonite in rock or lumps to small particles or manageable powder. For this, The raw bentonite is fed into a feeder and directed to a mineral crusher and processed into a finer powder.. Both the jaw crusher and a Raymond mill are recommended options.

  • Moisture adjustment and mixing with binders/additives

    Después, The crushed bentonite powder passes into the dosing and mixing system. When bentonite is mixed with additives to make litter or mineral fertilizer, the dosing machine guarantees the precise proportion. In the mixing stage, It is essential to maintain the balance of nutrients and the required moisture of the material, key factors to produce excellent quality bentonite pellets.

  • Bentonite granulation (tambor, disc or extrusion)

    The bentonite mixture then enters the granule formation process.. As mentioned above, for continuous production of bentonite granules on a large scale, the recommended option is a rotary drum granulator. If you are looking for harder pellets and less investment, you can use a double roller compactor. To make spherical cat litter pellets or bentonite fertilizers on a small scale, a disc granulator offers the best experience.

  • Drying and cooling of granulated bentonite

    Subsequently—in the drum or disc granulation processes—it is necessary to introduce the wet bentonite granules already formed. (with a 20 % of humidity) in a rotary dryer. on this team, a flow of warm air reduces humidity to below 10%, reaching safe levels for storage and transportation. Then, the rotary or countercurrent flow cooler decreases the temperature, improving pellet resistance, reducing caking and preparing the product for sorting and packaging. Nevertheless, in the case of projects that use dry granulation using rollers, it is possible to go directly to the next stage of the process.

Bentonite Pelletization Process - Figure 1
Bentonite Pelletization Process - Figure 2
Bentonite Pelletization Process - Figure 3
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  • Screening and classification by pellet size

    Rotary machines classify granular bentonite fertilizer into size fractions: correct, excessive and fine. Appropriately sized granules are destined for the market as a final product; The large ones return to the crusher and the fine ones to the granulator.. Forming a closed circuit helps produce bentonite granules ensuring uniform size and high conforming pellet rate..

  • Coating bentonite pellets with PVA or paraffin

    To increase its added value and adhesion resistance, The granulated bentonite pellets can go through a coating machine. In mineral fertilizer production projects, PVA films or acrylic polymers are applied to reduce moisture absorption and caking. In bentonite granulation lines for cat litter, antidust agents are sprayed, fragrances or colorants according to market demands.

  • Packaging and storage

    Finally, The coated or uncoated bentonite pellets are directed to the scales automáticas de empaquetado. They can be packaged in 20–50kg bags for industrial customers or in small packages for the retail cat litter market.. Palletizing systems, Conveyor belts and storage silos facilitate the process within the bentonite granulation system. Which allows you to quickly respond to customer orders.

Bentonite Pelletization Process - Figure 1
Bentonite Pelletization Process - Figure 2
Bentonite Pelletization Process - Figure 3
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¿Cuál es el cost of a bentonite granule manufacturing system?

Besides, You can freely choose the equipment from the above list to set up your own bentonite granule production line, according to your budget. This equipment can smoothly support your bentonite pellet manufacturing process with an investment of between $100,000 y $500,000, and a capacity of 5 a 20 tons per hour (TPH), that is to say, of 20,000 a 100,000 toneladas anuales.

Besides, There are many other solutions for the treatment of mineral waste, as phosphate rock processing systems, limestone granulation or zeolite pellet lines. Whether you plan to convert them into mineral fertilizers or just commercial granules, YUSHUNXIN has customized designs for you. Check them out now!

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