A PROCESS FOR PREPARING AN IRON CONTAINING ZEOLITIC MATERIAL HAVING AN AEI FRAMEWORK STRUCTURE USING A QUATERNARY PHOSPHONIUM CATION

摘要

Provided are a process for the preparation of an iron containing zeolitic material having an AEI framework structure using a quaternary phosphonium cation, as well as an iron containing zeolitic material per se as obtainable or obtained according to the process. Furthermore, an exhaust gas treatment system comprising the iron containing zeolitic material and the use of the iron containing zeolitic material as a catalyst are provided.