Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Fluiddynamische Aspekte in Mikrostrukturreaktoren
10.1002/cite.330710505.abs
Fluid Dynamics in Microchannel Reactors.
The possible benefits of using microchannel reactors in the chemical process industries have been under discussion for several years. Outstanding heat transfer properties, short residence times and short diffusion lengths are considered key advantages, while the cost of the approach and the pending question of long‐term stability are still major sources of skepticism. A good starting point for a feasibility study is to investigate some major fluid dynamic properties. For a unit consisting of hundreds of parallel microchannels, the pressure drop for the laminar flow is just a few millibar. However, at high gas flows the distribution over the numerous channels may become non‐uniform. It is shown how the resulting residence time distribution affects both the yield of intermediates in consecutive reactions, and step functions of the concentration during periodic operation, respectively. All in all, the results of the estimations are encouraging.
Fluiddynamische Aspekte in Mikrostrukturreaktoren
10.1002/cite.330710505.abs
Fluid Dynamics in Microchannel Reactors.
The possible benefits of using microchannel reactors in the chemical process industries have been under discussion for several years. Outstanding heat transfer properties, short residence times and short diffusion lengths are considered key advantages, while the cost of the approach and the pending question of long‐term stability are still major sources of skepticism. A good starting point for a feasibility study is to investigate some major fluid dynamic properties. For a unit consisting of hundreds of parallel microchannels, the pressure drop for the laminar flow is just a few millibar. However, at high gas flows the distribution over the numerous channels may become non‐uniform. It is shown how the resulting residence time distribution affects both the yield of intermediates in consecutive reactions, and step functions of the concentration during periodic operation, respectively. All in all, the results of the estimations are encouraging.
Fluiddynamische Aspekte in Mikrostrukturreaktoren
Walter, Stefanie (Autor:in) / Frischmann, Günter (Autor:in) / Broucek, Reinhard (Autor:in) / Bergfeld, Manfred (Autor:in) / Liauw, Marcel (Autor:in)
Chemie Ingenieur Technik ; 71 ; 447-455
01.05.1999
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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