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Hydrotalcite-derived mixed oxides containing copper: Catalysts for the removal of nitric oxide

Shannon, IJ; Rey, F; Sankar, G; Thomas, JM; Maschmeyer, T; Waller, AM; ... Greaves, GN; + view all (1996) Hydrotalcite-derived mixed oxides containing copper: Catalysts for the removal of nitric oxide. J CHEM SOC FARADAY T , 92 (21) 4331 - 4336.

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Abstract

Hydrotalcite structures containing copper, magnesium and aluminium in the metal hydroxide layers have been investigated for their potential as precursors to the formation of catalysts for the decomposition and reduction of nitrogen oxides. These (CuMgAlIII)-Mg-II-Al-II hydrotalcites are catalytically active towards both the decomposition of nitric oxide and its reduction in the presence of an appropriate coreductant, such as propane. The copper centred active species, identified using EXAFS spectroscopy and combined EXAFS/XRD under operating conditions, have been found to be Cu-I for the decomposition and Cu-0 for the reduction.

Type:Article
Title:Hydrotalcite-derived mixed oxides containing copper: Catalysts for the removal of nitric oxide
Keywords:IN-SITU, OPERATING-CONDITIONS, XRD, EXAFS
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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