Micromixing assessment of confined impinging jet mixers used in RIM

The simultaneous azo couplings of 1- and 2-naphthols with diazotized sulfanilic acid have been widely used to study the influence of mixing on the product distribution of fast chemical reactions with fluids of low viscosities. The aim of this work is to assess the micromixing performance of the mixi...

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Bibliographic Details
Published in:Chemical engineering science 2012-05, Vol.74, p.276-286
Main Authors: Nunes, Maria I., Santos, Ricardo J., Dias, Madalena M., Lopes, José Carlos B.
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
chemical reactions
couplings
Exact sciences and technology
Impinging jets
mixers
Mixing
Polymers
Reaction
Reaction Injection Molding
Reactors
Test reactions
viscosity
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Summary:The simultaneous azo couplings of 1- and 2-naphthols with diazotized sulfanilic acid have been widely used to study the influence of mixing on the product distribution of fast chemical reactions with fluids of low viscosities. The aim of this work is to assess the micromixing performance of the mixing chamber of a RIM (Reaction Injection Molding) machine, when high viscosity fluids are used. The mixing characterization study in the RIM machine has shown that an increase of Reynolds number, over a very short range, 100
ISSN:0009-2509
1873-4405
DOI:10.1016/j.ces.2012.02.054