Standard reaction of the international zeolite association for acidity characterization:: Ethylbenzene disproportionation over LaNaY

Results from five laboratories participating in the Catalysis Commission of the International Zeolite Association are presented for the disproportionation of ethylbenzene over a LaNaY catalyst. Despite the complexity of this reaction, with temperature-dependent induction phenomena and catalyst deactivation, the data from different sources are in fair agreement. Attention is drawn to a series of experimental parameters, e.g. reactor and saturator setup and chromatographic parameters, that are important for obtaining reproducible results. (C) 2002 Elsevier Science Inc. All rights reserved.