O-Tu-403-5 Solid-State Ion-Exchange of Copper into Zeolites Facilitated By Ammonia at Low Temperatures

Tuesday, June 16, 2015: 11:00 AM
403-405 (Lawrence Convention Center)
Soran Shwan1, Magnus Skoglundh1, Lars F. Lundegaard2, Ramchandra Tiruvalam2, Ton V.W. Janssens2, Anna Carlsson3 and Peter N.R. Vennestrøm2, (1)Chalmers University of Technology, Sweden, (2)Haldor Topsoe A/S, Denmark, (3)FEI company, Netherlands.
Solid-state ion-exchange from copper oxides into zeolites is shown to be possible at unprecedented low temperatures (≤ 250 °C) when facilitated by ammonia. The Cu mobility is proposed to involve [CuI(NH3)x]+ (x≥2) complexes that allow for simple preparation of over-exchanged zeolites with Cu/Al ratios > 0.5.

Extended Abstracts:

See more of: Zeolites
See more of: Catalyst Design and Synthesis
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