FIELD: chemical industry. SUBSTANCE: apparatus for alkylanthrahydroquinone solutions oxidation has body made in the form of hollow cylindrical column with bottoms. Column is provided with gas and liquid mediums inlet and outlet branch pipes. Inner surface of column is made as in series coupled to each other converging tubes with redistributing partitions located in zones of their coupling. In the case nozzles of converging tubes are oriented in direction of liquid phase flow. EFFECT: increased productivity. 3 cl, 1 dwg
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