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Ind. Eng. Chem. Res., 2012, 51 (13), pp 5056–5066
- P. S. Sarkar, K.K. Singh, K. T. Shenoy, A. Sinha, Hanmanth Rao, and Sandip Kumar Ghosh
- Chemical Engineering Division, Bhabha Atomic Research Centre, Trombay, Mumbai, INDIA-400085 & Neutron & X-ray Physics Facilities, Bhabha Atomic Research Centre, Trombay, Mumbai, INDIA-400085
The study detailed in this paper focuses on liquid-liquid two-phase flow patterns. It uses a Syrris glass microreactor fitted on a Syrris FRX flow chemistry system (now replaced by Asia) to visually characterize the seven different mixing patterns obtained in a microreactor channel.
Abstract: Liquid-liquid two-phase flow patterns in a serpentine glass microchannel have been studied using a camera with very high shutter speed. The phase system is equilibrated water-succinic-n-butaonl system. Observed flow patterns have been classified into seven different types – slug flow, slug and droplet flow, droplet flow, unstable annular flow, annular flow, annular dispersed flow and fully dispersed flow. Two different methods of introducing the aqueous and organic phases into the microchannel have been studied. Flow regime maps are presented and discussed. Voronoi diagrams of the flow regime maps are also presented.
The work published in this paper was performed on an FRX flow chemistry system (now Asia), using Syrris’ FLLEX (Flow Liquid-Liquid EXtraction) module.