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High Yield Bentonite

High Yield Bentonite is a multipurpose grade of Bentonite, produced under a complex process by experienced chemists. This chemical compound holds an enhanced formula, turning it into a very effective Viscosifier. In mineral exploration, water well construction, and directional drilling operations, it serves a variety of purposes. Still, to maximize the utility of this mixed-use substance, we need to find a reliable producer, supplier and exporter of Bentonite in the universal markets.

Iran Bentonite Co. is a specialized pioneer manufacturer, supplier and exporter of all grades of Bentonite. With a presence with several Bentonite Mines in various regions of Iran, advanced Mineral Processing Plants and a highly qualified and experienced technical staff, Iran Bentonite Co. established an international presence promptly. So, you can count on this producer and its equipped factories dedicated to Bentonite production. To acquire additional information about this company, you may want to click on About Us.


What is Bentonite?

Bentonite is a type of rock moulded of highly colloidal and plastic soils created mainly of montmorillonite. Montmorillonite is a soil-type mineral, a part of the smectite unit, made by situ devitrifications by volcanic ashes. As well as the montmorillonite, bentonite might also include feldspar, cristobalite, and crystalline quartz.

The octahedral alumina sheets and tetrahedral silica sheets are bentonite’s qualities, resulting from the smectite group’s crystal arrangement. Many things, such as the variants in the interstitial water and transferrable positive ions, can alter the qualities of bentonite, resulting in various commercial uses based on the kind of bentonite. As a result, the phrase bentonite can be practically commercially used for any clay with similarities. Among other things, Fuller’s earth is frequently a type of bentonite. As bentonite has a slippery, soap-like texture to touch, which also has the look of white to pale green and blue once uncovered, it proceeds to deepen in color to a yellow, red or brown as time passes. These superior qualities include the strength of bentonite to create thixotropic gels with water, as well as take in vast amounts of water in addition to upsurging in its dry bulk; they size up to 12-15 times and a tremendous positive ion interchange capability.

Bentonite colors vary from white, black, greys, light olive green, cream, yellow, earthy red, brown, sky blue and purple. In addition to that, it has an oily and waxlike feel. Once exposed to water, it is highly malleable, slippery and soap-like.

Bentonite is used in different businesses because of its intrinsic natural qualities and the fact that it can change into other materials and items. Bentonite is used mainly in mixtures with water. By amending the water, the qualities and the utilization of this substance can differ in each business, such as for adhering, plasticizing, and suspending functions.

What is High Yield Bentonite?

Piercing clay qualities, including clear thickness, tackiness, plastic glueyness and produce point, contribute to constructing a competent and enhanced puncturing process. As well to those puncturing, clays have three critical utilities, which are:

  • Moving drill carvings out of the hollowed-out space to permit a split between the carvings and the drilling fluids from the surface;
  • Creating a fine filter cover on the barriers of the wellbore so that it does not lose any of the liquids;
  • Restraining access to growth solutions from entering the wellbore.


Because of motorized and rheological qualities, Bentonite stoppages are extensively utilized in subterrestrial projects. These qualities permit them to balance the barrier of the hole, which is done through the development of a coat which clears up the spot by emptying the carvings to reduce the deterioration of the gears.

In mud phraseology, bentonite is categorized as a type of sodium bentonite or calcium bentonite, and all this is contingent upon the prevailing replaceable cation. Concerning its presentation, bentonite is classified as a “high yield” and “low yield”.

Peptized, beneficiated, and extra-high yield are phrases used to depict bentonites that natural polymers and occasionally soda ash are added to the mixture transformation period. Each of these commodities is beneficial for an initial start, in spud muds, or even in low solids to a lesser extent than part of this kind of this substance is necessarily associated quantity of API-stipulation of bentonite.


High Yield Bentonite Production Process

Bentonite settlings generally are taken advantage via way of via means of excavating. Bentonite can still noticeably be a solid once extracted regardless of its dampness levels which could be nearly 30%. It first needs to be crushed or cut intoslicese; then, it is required that soda ash (Na2CO3) is added. Finally, Bentonite is dehydrated, air dried or force dried for it to attain the specified moisture level. Relative to its last use, Bentonite will need to be shifted into a coarse form or pounded into a superfine powder. Bentonite can also be refined by withdrawing its gangue minerals or preserved with some type of acids in order to create activated bentonite (bleaching piles of the earth), or it can be treated in another way, this time with organics with will then lead to it constructing organoclays. This is all done for special applications only.

Figure 1 shows the process flow diagram for bentonite processing. Firstly, Bentonite is handled by being dried in a rotary kiln to which it reaches the moisture level of 5-8%, and then following this, it is milled into a fine powder using rapid roller mills and finally sorted by size through the use of cyclones and screens. In order to exemplify the purposes of size decrease, drying, transmission and mineral extraction, ring rollers are used. Feed size of 50mm will be milled to numerous measures, resulting in the product being as small as 0.037mm, or 3.36mm, which will include some fines. Wet nourished bentonite can contains 15-32% moisture levels, and this fluid bed can be dried to the moisture level of 7-11%. Alongside that, the fullers’ ears moisture are about 47%, which its fluid bed can be dried to about the moisture level of 30-35%. Adverse strain air framework brings about dust-free transmissions. Liberty and the elimination of extraneous resources, in particular, silica via auxiliary lowermost release, are attained instantaneously by being milled.

Recovering interlayer water and enlarging is the top quality of montmorillonite. Yet, this is lost if it is dried by heat beyond specific temperatures, which are: 105-125°C; 300-390°C; and 390-490°C for Li montmorillonite H or Ca montmorillonite, and Na montmorillonite, individually. It should ALSO be mentioned that for various sodium bentonites, their safe drying temperatures can reach 205°C still they don’t lose their enlargement (colloidal) properties if wetted repeatedly.

Involvement in the practice of drying Bentonite has presented that, retrieval of interlayer water can be problematic if the last drop of the interlayer is removed. Still, if a smidge of water is left, the enlargement process becomes simple and without difficulty.



Figure 1. Process flow diagram for bentonite processing


Bentonite Applications

The principal utilization of Bentonite is the puncturing liquids. In its form of flush fluid, the bentonite loosens and chills sharp utensils to protect them from deterioration. While the puncturing liquid produces hydrostatic weight in the borehole, it delays liquid and gas infiltration.

The puncturing fluid passes the tool carvings to the top. At this point, the eradication forces have inactive stages, and the eradication forces have inactive settings; the thixotropy of the bentonite obstructs the stone product from dropping again, returning to the punctured shaft. It is necessary for each of the puncturing liquids to hold mutual qualities that enable a harmless and acceptable accomplishment of this substance; these include the following factors:

  • Bottom hole maintenance and elimination of carvings to the top;
  • Monitoring extreme pressure zones;
  • Chilling and loosening the hole puncturing gear;
  • Creating a borehole wall assisting the filter cake;
  • Backing up the drill string and casing pressure;
  • Permitting the analysis of electric logs.

The objectives listed above are monitored by the rheological and purification qualities of the mud and the key factor of water base mud which, as mentioned before, is mostly Bentonite. This clay describes that once it is positioned in water, it will separate into much smaller elements, about 2 microns. It is done to develop the thickness and manage the filtering, strengthening the bore walls and appending the carvings.

  • It upsurges puncturing mud cleaning capability;
  • It offers steadiness to reduce the hazardous possibility of this substance disintegrating in unbalanced configurations;
  • It roughly doubles the yield of mutual bentonites;
  • It is simple to combine to reach a high viscosity mud.

High Yield Bentonite is utilized in the following function to create mud thickness and maintain superior hole cleaning swiftly. It also finds usage in assisting in monitoring missing movement, creating molting and stimulating hole steadiness in unconsolidated foundations.

  • Potable-water wells;
  •  Mineral exploration (coring and rotary drilling);
  •  Horizontal directional drilling;
  • Blast holes;
  • Shaft drilling;
  • Monitor/observations wells;
  • Gel-foam air-drilling applications.

The Advantages of Utilizing High Yield Bentonite

  • Yields way more rapidly than API-standard bentonite;
  • Non-toxic and confirmed to be appropriate for usage in puncturing potable water wells;
  • Amplified infiltration amounts are shown as a result of minor solids content compared to the original bentonite systems;
  • Carriage and storeroom charges are cut as a result of lesser handling necessities in comparison to bentonite.


About Iran Bentonite Company’s Product

Providing high-quality materials for industrial and technical applications, Iran Bentonite Co. is a leading manufacturer of High Yield Bentonite. An excellent supply chain across the world ensures a prime grade of High Yield Bentonite through dealing with Iran Bentonite Company. This producer’s critical factors for successfully providing a high-quality product in various grades are manufacturing superior raw materials with the assistance of skilled chemists and a standard production process.

When it comes to supplying your bentonite from Iran Bentonite Co., you can enjoy various logistics options provided to every customer worldwide. Iran Bentonite Company relies on international packing standards to ensure the safety of the product, as usual. Still, all of the clients have the option to choose between different ways of packing, shipping, and exporting. In the end and as a reminder, you can reach out to our German office and request your intended grade of High Yield Bentonite in the packaging you need.



High Yield Bentonite is an effective viscosifier that functions well in a range of water quality, successfully lowers application rates, and combines rapidly and readily. This top-quality grade of Bentonite that has undergone beneficiation is intended for use in directional drilling, water well drilling, and mineral prospecting. This substance is also utilized to offer improved hole cleaning. Most frequently in the presence of water, weathering of volcanic ash produces bentonite; However, each quality of this substance is produced by following a different complex procedure. You can read about the production process of High Yield Bentonite in this article.