Specialty chemicals company LANXESS has expanded its proven Lewatit line of ion exchange resins to include a new generation of finely dispersed grades. These newly developed ion exchange resins with small bead radius, their properties and applications were the subject of a presentation by Dr. Stefan Neumann, head of Applications development in LANXESS’ Liquid Purification Technology business unit, at this year’s Technology Symposium held by the Chlorine Institute in Houston, Texas, on April 8, 2013