microreakcier

A microreactor is a type of chemical reactor in which at least one of the dimensions of the reaction channel is on the microscale, typically in the range of micrometers to millimeters. This small size leads to a very high surface-area-to-volume ratio, which can significantly enhance heat and mass transfer compared to conventional, larger-scale reactors. This improved transfer is often a key benefit in chemical processing.

The design of microreactors can vary, but they commonly feature small channels etched or molded into a solid material, such as glass, silicon, or metal. Reactants are pumped through these channels, where they mix and react. The precise control over reaction conditions, including temperature and residence time, is a hallmark of microreactor technology.

Advantages of using microreactors include enhanced safety, particularly for hazardous reactions, due to the small hold-up volume. They also offer higher yields, improved selectivity, and faster reaction rates. Their modular nature allows for easy scale-up by numbering-up, which involves connecting multiple microreactors in parallel to achieve desired production throughput.

Microreactors find applications in various fields, including pharmaceuticals, fine chemicals, and catalysis. They are used for synthesis, process development, and even for specialized analytical techniques. The technology is still evolving, with ongoing research focused on improving material compatibility, flow control, and integration into larger industrial processes.