碳纤维负载Rh-Mn紧密接触的催化剂及其合成气制乙醇催化性能

引用本文: 宁红岩, 杨其磊, 杨晓, 李鹰霞, 宋兆钰, 鲁逸人, 张立红, 刘源. 碳纤维负载Rh-Mn紧密接触的催化剂及其合成气制乙醇催化性能[J]. 物理化学学报, 2017, 33(9): 1865-1874. doi: 10.3866/PKU.WHXB201704285 shu

Citation: NING Hong-Yan, YANG Qi-Lei, YANG Xiao, LI Ying-Xia, SONG Zhao-Yu, LU Yi-Ren, ZHANG Li-Hong, LIU Yuan. Carbon Fiber-supported Rh-Mn in Close Contact with Each Other and Its Catalytic Performance for Ethanol Synthesis from Syngas[J]. Acta Physico-Chimica Sinica, 2017, 33(9): 1865-1874. doi: 10.3866/PKU.WHXB201704285 shu

碳纤维负载Rh-Mn紧密接触的催化剂及其合成气制乙醇催化性能

1.
天津大学, 天津市应用催化科学与工程重点实验室, 天津 300072;
2.
化学工程与技术(天津)协同创新中心, 天津 300072;
3.
天津大学环境科学与工程学院, 天津 300072
基金项目:
化学资源有效利用国家重点实验室基金和国家自然科学基金（21576192，21376170）

摘要: Rh-Mn基催化剂用于合成气制乙醇反应颇具潜力。本文采用柠檬酸乙二醇原位聚合的方法在碳纤维（CF）表面负载Rh-Mn催化剂。采用TPR，XRD，TEM，EDS，CO-TPD，H₂脉冲吸附和XPS技术对焙烧和还原后样品的结构和物化性能进行了表征，并考察了催化剂催化合成气制乙醇的反应性能。结果表明，原位聚合法相比传统浸渍法更利于形成紧密接触的Rh-Mn物种，可有效提高Rh的分散度和抗烧结性，显著改善合成气转化反应中CO加氢活性和乙醇选择性。

关键词:

English

Carbon Fiber-supported Rh-Mn in Close Contact with Each Other and Its Catalytic Performance for Ethanol Synthesis from Syngas

1.
Tianjin Key Laboratory for Applied Catalysis Science & Technology, School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, P. R. China;
2.
Collaborative Innovation Center of Chemical Science & Engineering(Tianjin), Tianjin 300072, P. R. China;
3.
School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
Received Date: 23 March 2017
Revised Date: 19 April 2017
Available Online: 28 April 2017
Fund Project:
The project was supported by State Key Laboratory of Chemical Resource Engineering and National Natural Science Foundation of China (21576192, 21376170).

Abstract: Rh-Mn-based catalysts are promising for ethanol synthesis from syngas. In this work, a carbon fiber (CF)-supported Rh-Mn catalyst, with highly dispersed Rh and close contact Rh-Mn species, has been prepared by a new in situ polymerization route using citric acid and ethylene glycol interaction. The structure and physicochemical properties of both the calcined and reduced samples have been characterized by TPR, XRD, TEM, EDS, CO-TPD, H₂ chemisorption, and XPS techniques and the catalytic performance for ethanol synthesis from syngas has been evaluated. The results show that the new method is beneficial in forming close contact Rh-Mn species than that obtained with the conventional impregnation method. This can enhance the dispersion and sintering resistance of Rh and effectively improve the activity of CO hydrogenation and the selectivity to ethanol in ethanol synthesis from syngas.

Key words:

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沈阳化工大学材料科学与工程学院沈阳 110142

碳纤维负载Rh-Mn紧密接触的催化剂及其合成气制乙醇催化性能

English

Carbon Fiber-supported Rh-Mn in Close Contact with Each Other and Its Catalytic Performance for Ethanol Synthesis from Syngas

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

碳纤维负载Rh-Mn紧密接触的催化剂及其合成气制乙醇催化性能

English

Carbon Fiber-supported Rh-Mn in Close Contact with Each Other and Its Catalytic Performance for Ethanol Synthesis from Syngas

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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