ACETONE CYANOHYDRIN HYDROLYSIS PROCESS Russian patent published in 2017 - IPC B01J19/00 C07C231/06 C07C51/06 C07C51/08 C07C51/377 C07C67/08 

FIELD: chemistry.

SUBSTANCE: method for hydrolysis of acetone cyanohydrin with sulfuric acid as a preliminary step to produce methyl methacrylate in the reactor to the inner contour of circulation, wherein at least one of being in a reactor with internal circuit circulation of heat exchangers equipped with turbulators and at least one of the reaction components is fed into the loop reactor with an internal circulation by means of the metering ring, with the dispensing ring is installed in the reactor with an internal circulation loop outside and immediately before the pump and the heat exchanger or heat exchangers, equipped with turbulators, arranged in the direction of flow after the addition of sulfuric acid, and after adding acetone cyanohydrin.

EFFECT: efficient hydrolysis of acetone cyanohydrin.

6 cl, 3 dwg, 1 tbl