FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing methacrylic acid by reacting methacrylamide with water, the reaction taking place continuously in a tube reactor, and differential pressure is established inside the tube reactor in the direction of flow of the reaction mixture.
EFFECT: method increases output and purity of the obtained product, and also minimises formation of undesirable by-products.
18 cl, 1 ex, 4 dwg
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