Vapor-phase Beckmann rearrangement of cyclohexanone oxime over B2O3 catalysts supported on TiO2-ZrO2 mixed oxide |
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| Authors: | Dongsen Mao Guanzhong Lu and Qingling Chen |
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| Institution: | (1) Shanghai Research Institute of Petrochemical Technology, SINOPEC, Shanghai, 201208, P. R. China;(2) Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai, 200237, P. R. China |
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| Abstract: | A novel catalyst, boria supported on titania-zirconia mixed oxide, exhibits very high catalytic activity and selectivity in vapor-phase Beckmann rearrangement of cyclohexanone oxime to e-caprolactam. It gives 99.7% oxime conversion and 97.0% lactam selectivity at 300°C. |
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| Keywords: | Beckmann rearrangement cyclohexanone oxime (-caprolactam boria catalyst titania-zirconia mixed oxide |
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