CO气相偶联合成草酸二甲酯Pd/α-Al_2O_3催化剂失活与再利用

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英文篇名：Deactivation and recovery of Pd/α-Al_2O_3 catalyst for gas-phase CO coupling to dimethyl oxalate 作者：穆仕芳 ; 张鲁湘 ; 宋军超 ; 尚如静 ; 张建利 ; 崔发科 ; 牛刚 ; 魏灵朝 英文作者：Mu Shifang;Zhang Luxiang;Song Junchao;Shang Rujing;Zhang Jianli;Cui Fake;Niu Gang;Wei Lingchao;School of safety science and engineering,Henan Polytechnic University;Research Institute of Henan Energy and Chemical Industry Group Co.Ltd.;State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering,Ningxia University;Strategic Development Department,Henan Energy and Chemical Industry Group Co.Ltd.; 关键词：催化剂工程 ; 草酸二甲酯合成 ; Pd/α-Al2O3催化剂 ; 失活原因 ; 再生工艺 ; 钯回收工艺 英文关键词：catalyst engineering;;dimethyl oxalate synthesis;;Pd/α-Al2O3 catalyst;;deactivation reason;;regeneration process;;Pd recovery 中文刊名：GYCH 英文刊名：Industrial Catalysis 机构：河南理工大学安全科学与工程学院;河南能源化工集团研究总院有限公司;宁夏大学省部共建煤炭高效利用与绿色化工国家重点实验室;河南能源化工集团战略发展部; 出版日期：2019-01-15 出版单位：工业催化 年：2019 期：v.27;No.244 基金：省部共建煤炭高效利用与绿色化工国家重点实验室开放课题(2017-K25) 语种：中文; 页：GYCH201901001 页数：5 CN：01 ISSN：61-1233/TQ 分类号：7-11

摘要

作为合成气制乙二醇关键步骤之一,CO与亚硝酸甲酯合成草酸二甲酯备受关注。综述了近年来CO气相偶联合成草酸二甲酯Pd/α-Al_2O_3催化剂失活与再利用研究进展,探讨催化剂再利用工艺存在的问题,指出应根据在工业应用中出现的问题对Pd/α-Al_2O_3催化剂进行失活研究,在此基础上开发针对性的再生工艺;钯催化剂回收方面萃取法和吸附法逐渐成为研究重点,高效、低耗、短流程绿色工艺的开发是失活钯催化剂再利用的发展方向。
        As one of the key steps in syngas to ethylene glycol,synthesis of dimethyloxalate(DMO) from CO and methyl nitrite has attracted much attention. Recent progress in deactivation and reuse of Pd/α-Al_2O_3 catalyst for DMO synthesis was reviewed. Problems existing in the reutilization process of Pd/α-Al_2O_3 catalyst were analyzed,and future development direction was discussed. It was pointed out that research on deactivation of Pd/α-Al_2O_3 catalyst should based on problems in industrial application to develop target regeneration process. Extraction and adsorption process of Pd/α-Al_2O_3 catalyst recovery gradually became focus of this area. Development of high efficiency,low cost and green process was reuti-lization direction of deactivated Pd/α-Al_2O_3 catalyst.

引文

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