Get Concepts of chemical engineering 4 chemists PDF

By Stefaan J. R. Simons

ISBN-10: 0854049517

ISBN-13: 9780854049516

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Surf gÀ1 cat). Diffusion of the reactants into the pores of the particle where the majority of the active catalytic sites reside. Adsorption of the reactants on the active sites. Surface reaction to produce the products adsorbed on the active sites. Desorption of the products from the active sites. Pore diffusion of the products to the external surface of the catalyst particle. Mass transfer of the products from the external surface of the catalytic particle through the stagnant film to the bulk fluid phase.

M. W. Rousseau, Elementary principles of chemical processes, 3rd Edition, John Wiley & Sons, New York, 2000. 3. A. Heaton, (Editor), An Introduction to Industrial Chemistry, Leonard Hill, Glasgow, 1984. 4. H. W. O. Maloney, Perry’s Chemical Engineers’ Handbook, 7th Edition, McGraw-Hill, 1997. e. chemical reactors. Apart from choosing operating conditions and type of reactor, including provisions for heat exchange, the design of a reactor involves calculating its size to accomplish the desired extent of a reaction.

What actually happens is that the activation energy of the route through the intermediate catalytic complex is much lower than the respective activation energy through the intermediate route in the absence of catalyst. Let us examine the various steps of a catalytic reaction on a solid catalyst particle: (i) Mass transfer of reactants from the bulk fluid phase through the boundary layer to the external surface of the catalyst particle. A boundary layer is formed between the two phases (fluid and solid).

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Concepts of chemical engineering 4 chemists by Stefaan J. R. Simons

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