【摘要】 介绍国内主要甲基丙烯酸甲酯生产企业产能及所使用的工艺路线，并分析各个工艺路线的优缺点。概述甲基丙烯醛选择性氧化制甲基丙烯酸反应中所用杂多酸盐催化剂的研究进展。重点介绍磷钼钒杂多酸盐催化剂的碱金属改性、过渡金属改性和将催化剂负载到高比表面积载体上。多种金属活性组分协同作用和将催化剂负载到高比表面载体上是改善杂多酸催化剂酸性和氧化还原性、提高催化效率的有效方法。更多还原

【Abstract】 The production capacity and process routes used by the main domestic methyl methacrylate production enterprises are briefly introduced, and the advantages and disadvantages of each process route are analyzed.The research progress on heteropolyacid catalysts used in the selective oxidation of methacrolein to methacrylic acid was reviewed.The alkali metal modification, transition metal modification and catalyst loading on high specific surface area carrier of P-Mo-V heteropoly acid salt catalysts were mainly introduced.The synergistic effect of various metal active components and the loading of catalysts on high specific surface support are effective methods to improve the acidity, redox properties and catalytic efficiency of heteropoly acid catalysts.更多还原