邻苯二甲酸酐的合成:催化剂、动力学和反应模型

IF 9.3 2区化学 Q1 CHEMISTRY, PHYSICAL

Catalysis Reviews-Science and Engineering Pub Date : 1997-08-01 DOI:10.1080/01614949709353776

C. R. Dias, M. Portela, G. Bond

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引用次数: 52

摘要

摘要对邻苯二酸酐的两种主要生产工艺邻二甲苯和萘的氧化进行了更新和分析。介绍了以浸渍法为基础的催化剂制备新技术，这些新技术涉及溶液的pH值和离子强度等参数的控制;并将所得催化剂的性能与其他方法制备的催化剂进行了比较。含硫物质和促进剂如Ag、P、Nb、Sb等均能提高催化剂的性能;研究了它们对负载型V2O5催化剂中钒的表面积、酸性和氧化态稳定性的影响。分析了将催化剂的物理化学特性与其催化特性联系起来的最新尝试。采用FTIR、拉曼光谱、吸附碱、51V-NMR、XRD、XPS、SIMS和电导率等方法对V2O5/TiO2催化剂进行了研究。

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Synthesis of Phthalic Anhydride: Catalysts, Kinetics, and Reaction Modeling

Abstract Information concerning the oxidation of o-xylene and naphthalene, the two main processes for producing phthalic anhydride, is updated and analyzed. New techniques for the preparation of catalysts, all based in the impregnation method and involving the control of parameters such as pH and ionic strength of solutions, are described; the performance of the resulting catalysts is compared with that of catalysts prepared by other methods. Sulfur-containing substances and promoters such as Ag, P, Nb, and Sb have been shown to enhance catalyst performance; studies of their effect on the surface area, acidic properties, and stabilization of the oxidation state of vanadium in supported V2O5 catalysts are described. The latest attempts to correlate the physicochemical characteristics of the catalysts with their catalytic features are analyzed. FTIR, Raman spectroscopy, adsorption of bases, 51V-NMR, XRD, XPS, SIMS, and electrical conductivity have been used in the study of V2O5/TiO2 catalysts, allowing furt...

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来源期刊

Catalysis Reviews-Science and Engineering 化学-物理化学

CiteScore

22.30

自引率

2.80%

发文量

期刊介绍： Catalysis Reviews is dedicated to fostering interdisciplinary perspectives in catalytic science and engineering, catering to a global audience of industrial and academic researchers. This journal serves as a bridge between the realms of heterogeneous, homogeneous, and bio-catalysis, providing a crucial and critical evaluation of the current state of catalytic science and engineering. Published topics encompass advances in technology and theory, engineering and chemical aspects of catalytic reactions, reactor design, computer models, analytical tools, and statistical evaluations.