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Lewatit® FO 36

Lewatit® FO 36 is a macroporous, monodispersed, weakly basic, polystyrene-based ion exchange resin for the selective adsorption of oxoanions, such as arsenate or arsenite ions. It is doped with a nano-scale film of iron oxide covering the inner surfaces of the pores of the polymer bead. Target oxoanions are bonded by a specific, reversible reaction involving hydroxy-groups on the iron oxide surface.

Lewatit® FO 36 is especially suitable for use in the following applications:

In the purification of potable water arsenic can be removed down to rest concentrations significantly lower than 10 µ g/l which is the maximum contaminant level set in several countries. Lewatit® FO 36 is also capable of adsorbing other species such as HPO 4 2-, HSbO4 2-, SCN- etc.


Business Unit
Liquid Purification Technologies


Properties and benefits

  • Arsenic removal from drinking water
  • Arsenic removal from ground water (ground water remediation)
  • Arsenic removal from process solutions even in presence of high contents of neutral salts .


Areas of Applications

  • Potable Water Treatment
  • Industrial Water Treatment
  • Waste Water Treatment

How to use the product

When using Lewatit® FO 36 to treat potable water, special care should be paid at the onset. Please refer to the recommended start-up-conditions contained in this data sheet.

After pre-treatment as per instructions, Lewatit® FO 36 is in compliance with the European Resolution ResAP (2004)3  


Ion Exchange Resin


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Ion Exchange Resins News


New distribution partner for membrane elements in Middle East

The Liquid Purification Technologies (LPT) business unit of specialty chemicals company LANXESS, one of the world’s leading suppliers of water treatment products and solutions, is looking to expand its business with reverse osmosis membrane elements in Saudi Arabia. On November 1, 2017, it signed a distribution agreement for Lewabrane membrane elements with Riyadh-based Saudi company Industrial and Chemicals Supplies Co. Ltd. (ICSCO).



Prakash Shanmugam

Prakash Shanmugam
Head of Sales Indian Subcontinent

LANXESS India Pvt. Ltd.

LANXESS House, Plot no: A 162-164

Road No 27, MIDC, Wagle Estate

Thane (W) - 400 604, Maharashtra

India, IN

Phone: +91 22 2587 1220

Fax: +91 22 2582 5742

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