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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 58152 (06)
- University: Sharif University of Technology
- Department: Chemical and Petroleum Engineering
- Advisor(s): Mohammadi, Ali Asghar; Bastani, Dariush
- Abstract:
- Chemical reactions are a fundamental issue in industrial applications, and also tertiary amines are valuable materials in the paint and drug industries. Recently, the use of microreactors for organic reactions has drawn much attention. The typical dimensions of microreactors are in the range of 10–500 mm. Because of this microstructure and high surface-area–to–volume ratio, it has particularly excellent heat and mass transfer characteristics. In such a reaction system, almost every site has the same temperature, so the phenomenon of local overheating or local overcooling can be avoided. Compared with conventional macroscale batch reactors, the microreactor has excellent features, such as fast mixing, fast heat transfer, and short residence time. Such advantages would favorably affect reaction processes, and therefore the outcome has higher selectivity, yield, and product quality in many cases. Here we describe the continuous synthesis of tertiary amines using two series glass microreactor and one glass liquid-liquid micro phase separator. These microfluidics systems are isolated and simple-to-use systems. In this work we test the effect of some parameters such as temperature, time and reactants ratio on reaction yield. We found that in microreactors we can reach up to 60 percent yield in mild condition. Our results demonstrate that this platform is suitable for synthesizing amine compounds (tertiary amines in this case)
- Keywords:
- Microfluidic System ; Chemical Synthesis ; Triethylamine ; Continuous Micro-System ; Glass Microreactor ; Phases Separation
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