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Updated: May 29, 2026
05:21
A Scalable Balz-Schiemann Reaction Protocol in a Continuous Flow Reactor
Published on: February 10, 2023
The microwave-to-flow paradigm: translating high-temperature batch microwave chemistry to scalable continuous-flow
Toma N Glasnov1, C Oliver Kappe
1Christian Doppler Laboratory for Microwave Chemistry (CDLMC) and Institute of Chemistry, Karl-Franzens-University Graz, Heinrichstrasse 28, 8010 Graz, Austria. toma.glasnov@uni-graz.at
Chemistry (Weinheim an Der Bergstrasse, Germany)
|September 21, 2011
Summary
Microwave chemistry offers rapid synthesis but faces scaling challenges. This study shows continuous-flow reactors can overcome these limitations for production-scale microwave synthesis.
Area of Science:
- Chemistry
- Chemical Engineering
- Process Chemistry
Background:
- Microwave reactors accelerate chemical reactions significantly compared to conventional heating.
- A major limitation of microwave chemistry is the difficulty in scaling up batch processes for industrial production.
Purpose of the Study:
- To demonstrate a method for overcoming the scalability limitations of batch microwave chemistry.
- To translate batch microwave synthesis to scalable continuous-flow processes.
Main Methods:
- Utilizing micro- or mesofluidic flow devices with back-pressure regulators.
- Employing conventional heating in flow devices to mimic sealed-vessel microwave conditions.
Main Results:
- Successfully translated batch microwave chemistry to scalable continuous-flow processes.
- Achieved high temperatures and pressures comparable to sealed-vessel microwave reactors in flow systems.
Conclusions:
- Continuous-flow chemistry offers a viable solution for scaling up microwave-assisted synthesis.
- This approach enables production-scale applications of microwave chemistry, overcoming previous limitations.
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