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Ligand-assisted preparation of highly active and stable nanometric Pd confined catalysts for deep catalytic oxidation of toluene
He, Chi; Li, Peng; Wang, Hailin; Cheng, Jie; Zhang, Xinyan; Wang, Yufei; Hao, Zhengping
2010-09-15
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
Volume181Issue:3Pages:996-1003
AbstractIn this study, mesoporous SBA-15 supported Pd catalysts were synthesized through impregnation and grafting approaches. Moreover, the influences of different solvents (ethanol, H(2)O, tetrahydrofuran, dimethyl sulphoxide and N,N-dimethylformamide) on the dispersion of supported Pd nanoparticles were also systematically investigated. The prepared materials were comprehensively explored by various techniques. including XRD, EDS, ICP-OES, H(2) chemisorption, N(2) adsorption/desorption, TG-DSC, FT-IR, TEM and STEM. It is found that the traditional impregnation method has some disadvantages in obtaining highly dispersed Pd active phase. Whereas, the grafting method could highly disperse Pd nanoparticles within the mesoporous channels of support material, and the grafting procedure should be promising in designing highly dispersed Pd particles on the silica-based mesoporous materials. The catalyst prepared via the grafting procedure possesses much higher activity and selectivity than that prepared by impregnation method for deep catalytic oxidation of toluene. (C) 2010 Elsevier B.V. All rights reserved.
Department环境纳米材料实验室
KeywordLigand-assisted Highly Dispersed Pd Sba-15 Vocs Catalytic Oxidation
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Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/21187
Collection环境纳米技术与健康效应重点实验室
Recommended Citation
GB/T 7714
He, Chi,Li, Peng,Wang, Hailin,et al. Ligand-assisted preparation of highly active and stable nanometric Pd confined catalysts for deep catalytic oxidation of toluene[J]. JOURNAL OF HAZARDOUS MATERIALS,2010,181(3):996-1003.
APA He, Chi.,Li, Peng.,Wang, Hailin.,Cheng, Jie.,Zhang, Xinyan.,...&Hao, Zhengping.(2010).Ligand-assisted preparation of highly active and stable nanometric Pd confined catalysts for deep catalytic oxidation of toluene.JOURNAL OF HAZARDOUS MATERIALS,181(3),996-1003.
MLA He, Chi,et al."Ligand-assisted preparation of highly active and stable nanometric Pd confined catalysts for deep catalytic oxidation of toluene".JOURNAL OF HAZARDOUS MATERIALS 181.3(2010):996-1003.
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