Ion exchangers of the Business Unit LPT


Ion Exchange Resins

LANXESS is a leading global solution provider for water treatment and liquid purification with excellent technical Know-how and customer service. For more than 80 years our Lewatit® ion exchange resins and adsorbers are used in numerous industries to treat and purify water and other liquid media. In addition, we offer a range of Bayoxide® iron oxide adsorbers for various water treatment applications.


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Years of Market Experience
Production Units


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Chemical and Petrochemical

Our ion exchange resins have proven themselves in various processes in the chemical industry, for example as catalysts or in chloralkali electrolysis, but also in the treatment of process and waste water.
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Food and Beverages

Food grade ion exchange resins are used in food and beverage refining, including chromato-graphic separation. Our product portfolio, technical expertise, and global reach allow for solutions of most complex food processes.
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Lewatit® resins are contained in filter cartridge systems with which soft drinking water can be produced quickly and conveniently. Our products are also used in numerous household appliances to prevent limescale deposits.
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Mining and Metallurgy

Selective ion exchange resins from LANXESS are used in the treatment of mining liquids and in metal extraction, purification and recovery. Our products offer the possibility of selectively binding specific metal ions.
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Municipal Water Treatment

In the treatment of drinking water, wastewater and waste disposal our ion exchange resins and iron oxide adsorbers benefit from their unique ability to selectively bind ions. Even groundwater can be treated efficiently.
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Paper and Pulp

Water is an indispensable auxiliary material in the production of paper and pulp. In order for this complex process to function reliably and produce high-quality paper of consistent quality, the water used must meet high standards. 
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Pharma and Biotech

Our Lewatit® ion exchange resins and adsorbers are widely applied in bioprocessing and pharmaceutical operations, e.g. for capture and purification of highly effective substances originating from biological mass.   
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Power Generation

Water-steam cycles are the heart of all thermal power plants that generate electricity from fossil or nuclear fuels. Lewatit® ion exchange resins are used in power plants among others to demineralize the cooling and boiler feed water.
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Semiconductor and Photovoltaic

We offer specific ion exchange resins for ultra-pure water which are manufactured to meet the precise needs of the electronics and semiconductor industry for wafer and microchip production.



LANXESS subsidiary Saltigo produces among others active ingredients for the pharmaceutical and agro industry.

LANXESS at the Battery Show Europe 2021

November 25, 2021
Klaus Effner at Lewatit ion exchange resin production site in Leverkusen, Germany.

Reliable and efficient ion exchange resin for PFAS removal

October 29, 2021
The specialty chemicals company LANXESS offers ion exchangers for wet-chemical procedures in the electronics industry – including versions for producing ultra-pure water, an indispensable ingredient in the processing of wafers or the complex procedures involved in photolithography in the production of microelectronics and nanoelectronics.

Not just pure, but ultra-pure

September 21, 2021


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Certificates and more

We are ISO 9001, 14001 and 50001 certified. In addition, our products and production sites hold Halal and Kosher Certificates. We also offer manufacturer's declarations for a range of topics that are relevant to you as our customer.
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Product Literature

If you want to learn more about our products and their field of application, visit our Service Center and download interesting brochures, case studies and product information.
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LewaPlus® Software

Our calculation and design tool for planning of water treatment plants. Dimensioning of ion exchange resins, RO, and UF systems under a variety of system configurations.


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Do you have any questions about our products, are you looking for technical advice or are you searching for a local sales representative in your country? Please get in touch with us.
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Webinars and Tradeshows

Have a look on the webinars we are offering. We are also participating in various exhibitions and conferences worldwide. We would be happy to meet you there – in person or even digitally.
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