Highest Standard in Oil Purification

TONSIL® Bleaching Earth

All over the world TONSIL® has an outstanding reputation as a broad suite of natural and activated bleaching clays. For us at Clariant, this brand recognition is a hallmark to more than one hundred years of expertise in helping you, our customers, to meet your purification challenges. At the same time we accept this brand recognition as our obligation for the future.

TONSIL® grades are made from bentonite clay and consist of fine bleaching earth powders and granules with high adsorption capacity. Mined in a sustainable way, our natural products are developed to ensure high levels of performance when used by refineries.

With 25 production sites and 43 mines globally, we are well-positioned to give you global coverage with the supply reliability of a local player, giving you the peace of mind, you should expect of your bleaching earth supplier.

Partnering with you we focus on developing optimized solutions for your oil refining needs. We at Clariant pride ourselves of having ranges of product solutions in the industry today and our continued investment in developing new solutions to purify edible oils or biofuels for the future.

Thanks to first-class technical expertise and exceptional lab capacities we can support you in a broad array of technical aspects. Together with you, our customers, we regularly conduct technical seminars and provide regional technical on-site service to you.

Get in touch with us to optimize your cost performance ratio without having compromises on the bleaching performance and benefit from the fast filtration properties of our bleaching earth.


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Clariant took part in the project FLEXIWASTE: "Development of a flexible waste recovery process for the production of biofuels".  > READ ON


  • Refining Edible Oils

    Our TONSIL® range of bleaching earth or clay is based on over a century of experience in refining edible oils and fats. Today, Clariant remains a truly global player and thought leader for edible oil purification. more

  • Fuels purification

    We are dedicated to drive our innovative solutions for the biodiesel and renewable diesel production process, purifying all kinds of feedstock such as vegetable oils, used cooking oils, residual oil or animal fats. more

With TONSIL® you have 4 key benefits


Our bleaching earth production today operates state-of-the-art plants in Mexico, Peru, Brazil, Spain, France, Germany, Turkey and Indonesia.

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Julie Brooks
Julie Brooks
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This information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. Clariant makes no warranties, express or implied, as to the information’s accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of Clariant’s products for its particular application.<br />
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* Nothing included in this information waives any of Clariant’s General Terms and Conditions of Sale, which control unless it agrees otherwise in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing Clariant products, are available upon request and are provided in compliance with applicable law. You should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact Clariant.<br />
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* For sales to customers located within the United States and Canada the following applies in addition: No express or implied warranty is made of the merchantability, suitability, fitness for a particular purpose or otherwise of any product or service.<br />
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