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The highly selective oxidation of cyclohexane to cyclohexanone and cyclohexanol over VAlPO4 berlinite by oxygen under atmospheric pressure

机译:大气压下氧在VAlPO4柏林铁矿上将环己烷高度选择性氧化为环己酮和环己醇

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摘要

BackgroundThe oxidation of cyclohexane under mild conditions occupies an important position in the chemical industry. A few soluble transition metals were widely used as homogeneous catalysts in the industrial oxidation of cyclohexane. Because heterogeneous catalysts are more manageable than homogeneous catalysts as regards separation and recycling, in our study, we hydrothermally synthesized and used pure berlinite (AlPO4) and vanadium-incorporated berlinite (VAlPO4) as heterogeneous catalysts in the selective oxidation of cyclohexane with molecular oxygen under atmospheric pressure. The catalysts were characterized by means of by XRD, FT-IR, XPS and SEM. Various influencing factors, such as the kind of solvents, reaction temperature, and reaction time were investigated systematically.
机译:背景技术在温和条件下环己烷的氧化在化学工业中占有重要地位。几种可溶性过渡金属被广泛用作环己烷工业氧化中的均相催化剂。由于在分离和回收方面,非均相催化剂比均相催化剂更易于管理,因此在我们的研究中,我们水热合成并使用纯柏林铁(AlPO4)和钒结合的柏林铁(VAlPO4)作为非均相催化剂,在分子氧条件下用分子氧选择性氧化环己烷气压。通过XRD,FT-IR,XPS和SEM对催化剂进行表征。系统地研究了溶剂种类,反应温度,反应时间等多种影响因素。

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