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The Effects of Reaction Conditions on Oxidation of Cyclohexanol to Adipic Acid

L. Shu, L. Zhang

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Abstract

By using cyclohexanol as feedstock and potassium permanganate and heteropoly acid as feedstock, adipic acid can be obtained with the aid of ultrasonic wave. The quality of adipic acid is significantly improved. The effects of the reaction conditions on oxidation of cyclohexanol to adipic are mainly discussed. The experimental results indicate that the best ratio of feedstock and catalyst, the reaction temperature, and the reaction time are 1:3, 75°C, and 40 min, respectively. The yield of adipic acid reaches a maximum value of 85%. At the same time, the effects of the different ligands are checked. The experimental results show that sulfo-salicylic acid is one of the best ligands.

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What this paper is about

By using cyclohexanol as feedstock and potassium permanganate and heteropoly acid as feedstock, adipic acid can be obtained with the aid of ultrasonic wave. The quality of adipic acid is significantly improved. The effects of the reaction conditions on oxidation of cyclohexanol to adipic are mainly discussed. The experimental results indicate that the best ratio of feedstock and catalyst, the reaction temperature, and the reaction time are 1:3, 75°C, and 40 min, respectively. The yield of adipic acid reaches a maximum value of 85%. At the same time, the effects of the different ligands are checked. The experimental results show that sulfo-salicylic acid is one of the best ligands.

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Available abstract

By using cyclohexanol as feedstock and potassium permanganate and heteropoly acid as feedstock, adipic acid can be obtained with the aid of ultrasonic wave. The quality of adipic acid is significantly improved. The effects of the reaction conditions on oxidation of cyclohexanol to adipic are mainly discussed. The experimental results indicate that the best ratio of feedstock and catalyst, the reaction temperature, and the reaction time are 1:3, 75°C, and 40 min, respectively. The yield of adipic acid reaches a maximum value of 85%. At the same time, the effects of the different ligands are checked. The experimental results show that sulfo-salicylic acid is one of the best ligands.

Key concepts: Cyclohexanol, Adipic acid, Potassium permanganate, Raw material, Yield (engineering), Catalysis, Chemistry, Organic chemistry

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