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C. Cristiani, A. Grossale and P. Forzatti, “Study of the Physico-Chemical Characteristics and Rheological Behaviour of Boehmite Dispersions for Dip-Coating Applications,” Topics in Catalysis, Vol. 42-43, No. 1-4, 2007, pp. 455-459. doi:10.1007/s11244-007-0224-9

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• TITLE: Cesium as Alkali Promoter in Me-Cs (Me = Cu, Co, Fe)/ Al2O3 Structured Catalysts for the Simultaneous Removal of Soot and NOx

  AUTHORS: Sonia Ascaso, María Elena Gálvez, Rafael Moliner, María Jesús Lázaro

  KEYWORDS: Exhaust Gas Cleaning; NOx Selective Reduction; Soot Oxidation; Cesium; Washcoating; Structured Catalysts

  JOURNAL NAME: Modern Research in Catalysis, Vol.2 No.3, June 24, 2013

  ABSTRACT: Structured catalysts for the simultaneous removal of soot and nitrogen oxides were prepared by means of coating cordierite monoliths with alumina-based suspensions containing Cu, Co or Fe and Cs as the catalytically active phase. Textural and chemical properties of the coated monoliths were determined by means of N2-physisorption, SEM and temperature programmed reduction. Their activity in the simultaneous removal of soot and NOx was assayed in a lab-scale installation, using a carbon black as diesel surrogate. Catalysts containing Cs exhibited significant activity in deNOx, however soot oxidation activity is poorly enhanced probably due to the low NO2 evolution, pointing to a different NOx adsorption mechanism in the present case, in comparison to previous observations on analogous K and Ba containing catalysts.