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Hollow zeolite-encapsulated Fe-Cu bimetallic catalysts for phenol degradation
Dai, Cheng1,2; Zhang, Anfeng2; Luo, Lei2; Zhang, Xinbao2; Liu, Min2; Wang, Junhu3; Guo, Xinwen2; Song, Chunshan2,4
KeywordHollow Zeolite Phenol Degradation Fe Cu Bimetal Encapsulate
Source PublicationCATALYSIS TODAY
2017-11-15
DOI10.1016/j.cattod.2017.02.001
Volume297Pages:335-343
Indexed BySCI ; ISTP
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordIRON-OXIDE NANOPARTICLES ; ADVANCED OXIDATION ; FENTON REACTION ; ORGANIC CONTAMINANTS ; METHYLENE-BLUE ; CO ; MAGNETITE ; H2O2 ; DECOLORIZATION ; PHOTOCATALYST
AbstractHighly dispersed Fe-Cu bimetallic oxide nanoparticles were successfully encapsulated in hollow Silicalite-1 single crystals (Fe2O3CuO@ Hol S-1) by tetrapropylammonium hydroxide (TPAOH) hydrothermal treatment with an "impregnation-dissolution-recrystallization" process. Due to the Fe-Cu bimetallic interaction compared with single iron oxide, Fe-Cu bimetallic oxide exhibits a higher dispersion with the particle size decreasing from similar to 11.3 nm to similar to 3.7 nm. For aqueous phenol degradation, the Fe2O3CuO@ Hol-S-1 catalyst exhibits high activity attributed to the enhanced transport of reactants/products in the short microporous channels (20 nm) and the small metal oxide particle size. Interestingly, the particle size of encapsulated Fe2O3-CuO (3.7 nm) is larger than that of zeolite micropore (0.53 nm), which helps preventing the leaching of metal oxide that is a significant problem for conventional supported Fe catalyst in this reaction. (C) 2017 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000413851700041
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/149766
Collection中国科学院大连化学物理研究所
Affiliation1.Northwest Univ, Sch Chem Engn, Xian 710069, Shaanxi, Peoples R China
2.Dalian Univ Technol, Sch Chem Engn, PSU DUT Joint Ctr Energy Res, State Key Lab Fine Chem, Dalian 116024, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Mossbauer Effect Data Ctr, Dalian 116023, Peoples R China
4.Penn State Univ, Dept Chem Engn, Dept Energy & Mineral Engn, PSU DUT Joint Ctr Energy Res,EMS Energy Inst, University Pk, PA 16802 USA
Recommended Citation
GB/T 7714
Dai, Cheng,Zhang, Anfeng,Luo, Lei,et al. Hollow zeolite-encapsulated Fe-Cu bimetallic catalysts for phenol degradation[J]. CATALYSIS TODAY,2017,297:335-343.
APA Dai, Cheng.,Zhang, Anfeng.,Luo, Lei.,Zhang, Xinbao.,Liu, Min.,...&Song, Chunshan.(2017).Hollow zeolite-encapsulated Fe-Cu bimetallic catalysts for phenol degradation.CATALYSIS TODAY,297,335-343.
MLA Dai, Cheng,et al."Hollow zeolite-encapsulated Fe-Cu bimetallic catalysts for phenol degradation".CATALYSIS TODAY 297(2017):335-343.
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