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西南化工研究设计院有限公司 多孔材料与分离转化全国重点实验室,四川 成都 610225
王佳杰(1991—),博士,工程师,研究方向为低碳分子转化催化剂,E-mail:drwang1991@foxmail.com。
李文龙(1989—),硕士,高级工程师,研究方向为铜系催化剂与催化工艺,E-mail:liwenlong@swchem.com。
收稿:2025-07-08,
修回:2025-08-18,
网络出版:2025-12-23,
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王佳杰,李文龙,赵安民等.草酸二甲酯加氢制乙二醇Cu/SiO2基催化剂研究进展[J].低碳化学与化工,
WANG Jiajie,LI Wenlong,ZHAO Anmin,et al.Research progress in Cu/SiO2-based catalysts for dimethyl oxalate hydrogenation to ethylene glycol[J].Low-Carbon Chemistry and Chemical Engineering,
王佳杰,李文龙,赵安民等.草酸二甲酯加氢制乙二醇Cu/SiO2基催化剂研究进展[J].低碳化学与化工, DOI:10.12434/j.issn.2097-2547.20250293.
WANG Jiajie,LI Wenlong,ZHAO Anmin,et al.Research progress in Cu/SiO2-based catalysts for dimethyl oxalate hydrogenation to ethylene glycol[J].Low-Carbon Chemistry and Chemical Engineering, DOI:10.12434/j.issn.2097-2547.20250293.
煤制乙二醇(EG)路线是我国煤炭清洁高效利用战略的核心技术之一,草酸二甲酯(DMO)加氢制EG是煤制EG路线的关键步骤。Cu/SiO
2
基催化剂因其优秀的催化性能和可控的成本而实现了在DMO加氢制EG中的工业化应用。然而,现有技术还存在H
2
循环能耗大、催化剂寿命短等问题。首先,介绍了DMO加氢反应路径、催化剂活性位点与构效关系和失活机理。然后,从构效关系和工业应用角度出发,对复合制备工艺、助剂改性和催化剂微观-介观结构设计等活性中心调控策略进行了分析。最后,对用于DMO加氢制EG的Cu/SiO
2
基催化剂的未来发展进行了展望,如研究催化剂表面物种的动态演变及失活机理、寻找更有效的活性中心调控指标和研制适应低
n
(H
2
)/
n
(DMO)的Cu/SiO
2
基催化剂及其配套工艺。
Coal-to-ethylene glycol (EG) route is a pivotal technology within the strategic framework of coal’s clean and efficient utilization in China
and dimethyl oxalate (DMO) hydrogenation to EG is the key step in the route. Due to its outstanding catalytic performance and controllable cost
Cu/SiO
2
-based catalysts have achieved industrial application in DMO hydrogenation to EG. However
present technologies are still limited by high energy cost of H
2
circulation and short catalyst lifespans. Firstly
the reaction pathway of DMO hydrogenation
the active sites of the catalyst and their structure-activity relationships
as well as the deactivation mechanism were introduced. Then
from the perspectives of structure-activity relationship and industrial application
the active center regulation strategies such as the composite preparation process
promoter modification and microscopic-mesoscopic structure design of the catalyst were analyzed. Finally
the future developments of Cu/SiO
2
-based catalysts for DMO hydrogenation to EG were prospected
such as studying the dynamic evolution and deactivation mechanism of surface species of catalysts
seeking more effective active center regulation indicators and developing Cu/SiO
2
-based catalysts suitable for low
n
(H
2
)/
n
(DMO) and their supporting processes.
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