Engineering order mesoporous CeCoOx catalyst via in-situ confined encapsulation strategy for VOCs catalytic combustion

doi:10.1016/j.mcat.2022.112149

IR > 石油化工学院

	Engineering order mesoporous CeCoOx catalyst via in-situ confined encapsulation strategy for VOCs catalytic combustion
	Wen, Meng 1,2,3; Dong, Fang 2,3,4; Tang, Zhicheng 2,3,5; Zhang, Jiyi1
	2022-02
发表期刊	Molecular Catalysis
ISSN	2468-8231
卷号	519
摘要	In this paper, a novel vacuum in-situ confined encapsulation strategy was proposed, in which Co-MOFs were embedded and anchored into ordered mesoporous CeO2 structure to obtain a precursor of Co-MOF@CeO2 composites. Accordingly, the Co-MOF@CeO2 precursor was transformed into ordered mesoporous CeCoOx oxides for catalytic combustion of toluene by precisely controlling their calcination temperature without destroying the ordered mesoporous structure. It is confirmed that order mesoCeCoOx-300 calcined at 300 °C had superior activity and good thermal stability for toluene catalytic oxidation, which were chiefly due to the content of Co3+, the effective anchoring of Co-MOFs in ordered mesoporous CeO2, more lattice oxygen, and weak acid sites. More importantly, we discovered that the active Co species would migrate and aggregate with the increase of calcination temperature, and affected greatly the interaction between Ce and Co. Besides, the increase of calcination temperature also resulted in an obvious decrease of the specific surface area and Co3+ species (TOFs) of the catalysts, which affected the catalytic combustion activity of toluene. © 2022 Elsevier B.V.
关键词	Calcination Catalyst activity Catalytic oxidation Cerium oxide Combustion Mesoporous materials Toluene Anchorings Calcination temperature Catalytic combustion Cecoox In-situ confined encapsulation strategy Lattice oxygen Mesoporous Ordered mesoporous Ordered mesoporous structures ]+ catalyst
DOI	10.1016/j.mcat.2022.112149
收录类别	EI ; SCIE
语种	英语
WOS研究方向	Chemistry
WOS类目	Chemistry, Physical
WOS记录号	WOS:000778913600001
出版者	Elsevier B.V.
EI入藏号	20220511569167
EI主题词	Catalysis
EI分类号	451.2 Air Pollution Control ; 802.2 Chemical Reactions ; 802.3 Chemical Operations ; 803 Chemical Agents and Basic Industrial Chemicals ; 804 Chemical Products Generally ; 804.1 Organic Compounds ; 804.2 Inorganic Compounds
来源库	WOS
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/157902
专题	石油化工学院
通讯作者	Tang, Zhicheng; Zhang, Jiyi
作者单位	1.Lanzhou Univ Technol, Sch Petr & Chem, Lanzhou 730050, Peoples R China; 2.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China; 3.Chinese Acad Sci, Lanzhou Inst Chem Phys, Natl Engn Res Ctr Fine Petrochem Intermediates, Lanzhou 730000, Peoples R China; 4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China; 5.Yantai Zhongke Res Inst Adv Mat & Green Chem Engn, Shandong Lab Yantai Adv Mat & Green Mfg, Yantai 264006, Peoples R China
第一作者单位	兰州理工大学
通讯作者单位	兰州理工大学
第一作者的第一单位	兰州理工大学
推荐引用方式 GB/T 7714	Wen, Meng,Dong, Fang,Tang, Zhicheng,et al. Engineering order mesoporous CeCoOx catalyst via in-situ confined encapsulation strategy for VOCs catalytic combustion[J]. Molecular Catalysis,2022,519.
APA	Wen, Meng,Dong, Fang,Tang, Zhicheng,&Zhang, Jiyi.(2022).Engineering order mesoporous CeCoOx catalyst via in-situ confined encapsulation strategy for VOCs catalytic combustion.Molecular Catalysis,519.
MLA	Wen, Meng,et al."Engineering order mesoporous CeCoOx catalyst via in-situ confined encapsulation strategy for VOCs catalytic combustion".Molecular Catalysis 519(2022).