Local electrochemical current density potential measurements at laser welded seams for the application in building micro reactor compounds for aggressive chemical process media

摘要

The use of micro structured compounds in industrial chemical, pharmaceutical or food technology processes promises a considerable gain in substance and energy efficiency based on an excellent heat transfer due to larger surfaces as well as lower compound resistance inside micro channels. Thus, reactions are much faster and can be controlled better with a simultaneous improvement of selectivity. Furthermore, the resignation of solvents leads to a simpler product purifying and increases the process sustainability. Commonly the use of high aggressive chemical process media leads to corrosion problems and are serious handicaps for the wide industrial use of thin-walled (0.5 - 1.0 mm) micro channels.