Download Integrated chemical processes : synthesis, operation, by Kai Sundmacher, Achim Kienle, Andreas Seidel-Morgenstern PDF
By Kai Sundmacher, Achim Kienle, Andreas Seidel-Morgenstern
This is often the 1st booklet devoted to the complete box of built-in chemical tactics, protecting technique layout, research, operation and keep watch over of those approaches. either the editors and authors are the world over famous specialists from assorted fields in and academia, and their contributions describe all features of clever integrations of chemical reactions and actual unit operations resembling warmth alternate, separational operations and mechanical unit operations. As a different function, the e-book additionally introduces new recommendations for treating varied integration innovations on a generalized foundation. of serious price to a large viewers of researchers and engineers from and academia.
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Additional resources for Integrated chemical processes : synthesis, operation, analysis, and control
During the subsequent exothermic semicycle aluminum is melted again, absorbing a significant amount of the heat of combustion. It thus reduces overheating of the catalyst. 12 shows the effect of latent heat storage on maximum temperature and conversion during a cycle in the periodic steady state. It becomes clear that the installation of heat storage has a beneficial effect on reactor performance, but it does not completely solve the problem of conversion fluctuations and suboptimal heat recovery.
Consider⋅ ⋅ ably higher flow rates during the exothermic phases ( M exo : M endo = O (10 ) ) Mare required for carrying the heat of combustion into the dehydrogenation zones. The conversion of the dehydrogenation reaction is uniform over the entire period of the production cycles. The heat loss due to incomplete heat recovery in the case shown is approximately 90 % of the generated heat, and is thus a multiple of the heat utilized by dehydrogenation. Coupling of propane dehydrogenation and methane combustion in a four-step catalytic fixed-bed process .
Studies in surface science and catalysis. 1989, vol. 43, Reversal of the reaction mixture flow in the fixed catalyst bed. Amsterdam: Elsevier. O. Levenspiel, Chemical Engineer’s Grand Adventure. Chem. Eng. , 1988, 43, 1427–1435. M. S. Kulkarni, M. P. Dudukovicé, A bidirectional fixed-bed reactor for coupling exothermic and endothermic reactions. , 1996, 42, 2897–2910. M. S. Kulkarni, M. P. Dudukovicé, Periodic operation of asymmetric bidirectional fixed-bed reactors with temperature limitations.