PURPOSE: To greatly improve the service life of a catalyst and enable to industrially and continuously produce the subject compound by supplying a positive electric charge to a catalyst solution, when acetone cyanhydrin is continuously reacted with water in a liquid phase to produce the α- hydroxyisobutylamide(HAM).
CONSTITUTION: When acetone cyanhydrin is reacted with water in the presence of a manganese oxide catalyst to continuously produce α-hydroxyisobutylamide, raw materials are continuously fed into a catalyst-suspension type reactor from an inlet 1, an anode 4 is installed in a catalyst solution containing an electrolyte, and a cathode 5 is installed in an electrolyte solution which is separated from the catalyst solution with an ion or liquid-permeable membrane or a filter 6, followed by applying electric current to the electrodes for the reaction.
INOMATA MASASANE
KAGEYAMA HIROHARU
TOKUMITSU MASAHIRO
