‘the influence of catalyst bed dilution on the conversion observed’
There are three papers containing the results of an investigation of the effect of inert bed dilution on the conversion in gas-solid fixed beds, which was carried out in Delft. This work was carried out within Eurokin since it was concluded earlier that the often-used equation from Van den Bleek to estimate the maximum allowed amount of inert bed dilution in a gas-solid (or liquid-solid) fixed bed reactor is not reliable and not generally applicable. The effect of dilution on the conversion was investigated by simulations and experiments in the six-flow reactor in the laboratory.
The work published in the three papers below was also presented at the Reactor Engineering session of the Europacat V conference (2-7 September 2001, Limerick, Ireland) and also at the conference NCCC III (the Netherlands’ Catalysis and Chemistry Conference 2002, 4-6 March 2002, Noordwijkerhout).
The Third dilution paper was published in December 2002 in Chemical Engineering Journal: R.J. Berger, J. Pérez- Ramírez, F. Kapteijn, J.A. Moulijn, Catalyst performance testing: the influence of catalyst bed dilution on the conversion observed, Chem. Eng. J., 90 (2002) 173-183.
This paper gives an overview of and overall conclusions from all the work done and is based on the First and Second dilution paper.
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This is a most wonderful paper. I use it in my Master level classes in Industrial Chemistry to illustrate to my students the sometimes surprising explanations of a funny Arrhenius plot far from the classical diffusion limitation pattern in porous catalysts.