Journal
AICHE JOURNAL
Volume 58, Issue 11, Pages 3482-3493Publisher
WILEY
DOI: 10.1002/aic.13750
Keywords
flow distribution; microreactor; numbering-up; fabrication tolerance; hydraulic resistance network
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Funding
- Dutch Technology Foundation (STW) [07979]
- Industrial Advisory Board (IROP) of the Netherlands Research School in Process Technology (OSTP)
- Micronit
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The barrier-based distributor is a multiphase flow distributor for a multichannel microreactor which assures flow uniformity and prevents channeling between the two phases. For N number of reaction channels, the barrier-based distributor consists of a gas manifold, a liquid manifold, N barrier channels for the gas, N barrier channels for the liquid, and N mixers for mixing the phases before the reaction channels. The flow distribution is studied numerically using a method based on the hydraulic resistive networks (RN). The single phase hydraulic RN model (Commenge et al., 2002;48:345358) is extended for two phases gas-liquid Taylor flow. For ReGL <30, the accuracy for the model was above 90%. The developed-model was used to study the effects of fabrication tolerance and barrier channel dimensions. A design methodology has been proposed as an algorithm to determine the required hydraulic resistance in the barrier channels and their dimensions. This methodology is demonstrated using a numerical example. (c) 2012 American Institute of Chemical Engineers AIChE J, 2012
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