Integrated Reaction and Separation Operations: Modelling and by Henner Schmidt-Traub, Andrzej Gorak

By Henner Schmidt-Traub, Andrzej Gorak

The ebook offers deep insights into the final overview of built-in methods in addition to improvement of tools for a scientific layout and optimisation of built-in response and separation approaches. Potentials and the technical in addition to financial obstacles for technique integration were pointed out. The e-book covers a number of case stories of reactive distillation, reactive extraction, reactive gas-adsorption and chromatographic reactors that have been investigated from the modelling and experimental viewpoint. according to established types method simulation used to be used to optimize those techniques. Following the idea that of built-in strategy layout techniques were constructed for version predictive regulate and approach optimisation in the course of creation. one other new and extremely very important concentration of the ebook is systematic synthesis of built-in methods. The publication provides the most recent advancements in simulation of built-in techniques in addition to new tools of procedure synthesis and technique keep watch over. It exhibits additionally the main points of experimental techniques for version validation, opting for of version parameters and dimension suggestions. the mix of refined modelling, optimisation equipment and experimental effects has now not been released prior to now. for this reason the e-book addresses readers from in addition to educational learn.

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12: Schematic process flow sheet of a counter current chromatographic reactor. It should be pointed out that the process selection performed here intends to demonstrate how a suitable transport phase should be selected only. In this example membranes were not considered and only an aqueous reaction phase was taken into account. If the solubility of glucose in a solvent different from water is higher than that of fructose, a reactive crystallization process is still of interest. 2 Synthesis of reactive separation processes 41 280 Apparatus Temperature / °C 240 VPWater 200 160 120 Operation window 80 40 Separation Reaction 0 0 10 20 30 40 50 60 Pressure / bar Fig.

These experimental data sets are necessary for the mathematical simulation of the phase behavior using, for example, activity-coefficient models like NRTL (Renon and Prausnitz 1968), UNIQUAC (Abrams and Prausnitz 1975) or WILSON (Wilson 1964). For components for which no data has been measured or published yet, the UNIFAC approach (Fredenslund et al. 1975, Gmehling et al. 1979) offers an alternative to experimental investigations. This approach, however, only provides semi-quantitative information on the thermodynamic behavior and is less useful for some types of molecules (for example large molecules with numerous functional groups) as it was developed primarily for short-chain hydrocarbons.

14). Glucose Reaction space Fructose xFructose Fig. 1a) will not leave this equilibrium point. 12 cannot be used to separate the desired product fructose. Whenever fructose is enriched towards the extract port, according to the adsorbent flow direction, back reaction will occur instantly. 1,a) a certain enrichment of fructose will be possible and is also reported by some authors (Borren and Schmidt-Traub 2004, Fricke 2005, Toumi and Engell 2004). 8 three different measures (change of concentration, temperature or pressure) are suggested to achieve the desired product quality.

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