乙酸合成中铱基催化剂的研究进展与中毒因素的分析  

Investigation of the advancements in iridium-based catalysts for the synthesis of acetic acid and examination of potential factors leading to catalyst poisoning

作　　者：张宏喜 黄贤斌 梁培 杨显德 顾明兰 韦良 Zhang Hongxi;Huang Xianbin;Liang Pei;Yang Xiande;Gu Minglan;Wei Liang(Nanning Normal University,Nanning 530100,China;Guangxi Huayi Energy Chemical Corporation Ltd,Qinzhou 535008,China;Shanghai Huayi Energy Chemical Corporation Ltd,Shanghai 200241,China)

机构地区：[1]南宁师范大学,广西南宁530100 [2]广西华谊能源化工有限公司,广西钦州535008 [3]上海华谊能源化工有限公司,上海200241

出　　处：《煤炭与化工》2024年第9期133-137,156,共6页Coal and Chemical Industry

基　　金：广西科技重大专项(桂科AA23062019)。

摘　　要：甲醇羰基化制乙酸是一种重要的工业化学反应,铱基催化剂相对于铑基催化剂具有成本较低、生产工艺的水含量低、副产物丙酸生成较少等优点,然而存在着催化剂对杂质离子敏感度高与催化剂分离成本高等问题。以甲醇羰基化制乙酸中经典铱基催化剂的反应机理分析为重点,总结了引起铱基催化剂中毒的因素和新型铱基催化剂的设计与合成进展,旨在为甲醇羰基化制乙酸工艺的改进和优化提供重要的理论参考。The process of methanol carbonylation to produce acetic acid is a significant industrial chemical reaction.In contrast to rhodium-based catalysts,iridium-based catalysts offer benefits including in lower cost,reducing water content during production,and decreasing formation of by-product propionic acid.Nevertheless,challenges such as the catalyst's susceptibility to impurity ions and the high expense associated with catalyst separation remain prevalent.The reaction mechanism of traditional iridium-based catalysts in the methanol carbonylation process for the production of acetic acid were summarized.And it also was reviewed that the factors contributing to the deactivation of iridium-based catalysts and discusses the advancements in the design and synthesis of novel iridium-based catalysts.The objective is to offer valuable theoretical insights and practical recommendations for enhancing and refining the methanol carbonylation process for acetic acid production.

关 键 词：甲醇 羰基化 乙酸 铱基催化剂 中毒 

分 类 号：TQ426.94[化学工程]