Ion exchangers of the Business Unit LPT


Ion Exchange Resins

LANXESS is a leading global ion exchange resin manufacturer and 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
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Production Units


More info about our ion exchange resins Production plat chemical industry

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.
More info about our ion exchange resins Glass of clean water and filter for cleaning drinking water on the table in the kitchen. Purification of drinking water at home.


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.
More info about our ion exchange resins Mining excavator loading granite or ore into dump truck

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.
More info about our ion exchange resins Aerial top view recirculation solid contact clarifier sedimentation tank, Water treatment plant.

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.
More info about our ion exchange resins Wood factory, Paper production plant

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. 
More info about our ion exchange resins Analysis of a liquid in a laboratory

Pharma and Biotech

Our Lewatit® ion exchange resins and adsorbers are widely applied in bioprocessing and pharmaceutical operations for capture, purification and chromatography of various biomolecules.
More info about our ion exchange resins Nuclear power plant and cooling towers

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.
More info about our ion exchange resins Silicon wafer

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.


Iron oxide adsorbers solutions Bayoxide 33, Bayoxide E IN 30, Bayoxide E IN 20, Bayoxide E 216 and Bayoxide E 33 HC

Bayoxide® iron oxide adsorbers

LANXESS Bayoxide® iron oxide adsorbers for the efficient removal of arsenic, phosphate and other metal ions from drinking water or wastewater.
PFAS removal Mobile, container-based systems for the remediation of PFAS-contaminated water with ion exchange resins from LANXESS at Australian airports.

Removal of per- and polyfluoroalkyl substances (PFAS)

Lewatit® ion exchange resins from LANXESS can be used to effectively remove high concentrations of PFAS from ground- and wastewater.
Chlor-alkali production Petrochemical industry plant on sunset

Chlor-alkali production in India

Chelating Lewatit® resins from LANXESS make brine treatment by chlor-alkali electrolysis more efficient and reliable. By better protecting the membranes they significantly save costs.
Chlor-alkali brine purification Chlor-Alkali brine purification site at Cogee Chemicals in Lytton, Australia.

Chlor-alkali brine purification at Coogee Chemicals 

Coogee Chemicals is one of Australia’s largest chlor-alkali producers with three production facilities across Australia, all operating successfully on Lewatit® ion exchange resins.


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

LANXESS to showcase comprehensive portfolio for battery production

May 15, 2023
Quality control of Lewatit ion exchange resins under the microscope

LANXESS expands Lewatit range

April 25, 2023
LANXESS is a leading supplier of high quality ingredients to make cosmetics and personal care products safer, more sustainable and better performing. The preservatives, fragrances and multifunctional and active ingredients are available under the established brands Purox, Kalama, Purolan, Solbrol and Saltidin.

LANXESS to hold "Virtual Days” for the third time

February 21, 2023


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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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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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Sign up for our newsletter to regulary receive brand-new information on our products, technical solutions as well as updates within our LewaPlus® software.
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