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Heat Pipe‐Cooled Microstructured Reactor Concept for Highly Exothermal Ionic Liquid Syntheses
Author(s) -
Löwe H.,
Axinte R. D.,
Breuch D.,
Hang T.,
Hofmann C.
Publication year - 2010
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.201000120
Subject(s) - microscale chemistry , heat pipe , ionic liquid , materials science , water cooling , thermal , volumetric flow rate , thermodynamics , heat transfer , chemistry , chemical engineering , nuclear engineering , catalysis , organic chemistry , engineering , physics , mathematics education , mathematics
Heat pipes used for cooling of microstructured reactors are a new approach for sustainable processing also in the lab‐scale within a temperature range from ambient to more than 180 °C. The main advantage of heat pipe cooling is the dynamic behavior, i.e., the cooling rate depends on the heat released. Heat pipes can also suppress thermal runaways due to their extremely short response times on momentary temperature rises. As an example, the highly exothermal synthesis of 1‐ethyl‐3‐methylimidazolium trifluoromethanesulfonate from the respective reactants 1‐ethyl‐imidazole and methyltrifluoromethanesulfonate was investigated. By transferring the protocol to continuous‐flow conditions in the microscale and by applying cooling with heat pipes, an out‐of‐control processing can be avoided.