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题名: Hollow zeolite-encapsulated Fe-Cu bimetallic catalysts for phenol degradation
作者: Dai, Cheng1, 2;  Zhang, Anfeng2;  Luo, Lei2;  Zhang, Xinbao2;  Liu, Min2;  Wang, Junhu3;  Guo, Xinwen2;  Song, Chunshan2, 4
关键词: Hollow zeolite ;  Phenol degradation ;  Fe Cu bimetal ;  Encapsulate
刊名: CATALYSIS TODAY
发表日期: 2017-11-15
DOI: 10.1016/j.cattod.2017.02.001
卷: 297, 页:335-343
收录类别: SCI ;  ISTP
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Highly 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.
关键词[WOS]: IRON-OXIDE NANOPARTICLES ;  ADVANCED OXIDATION ;  FENTON REACTION ;  ORGANIC CONTAMINANTS ;  METHYLENE-BLUE ;  CO ;  MAGNETITE ;  H2O2 ;  DECOLORIZATION ;  PHOTOCATALYST
语种: 英语
WOS记录号: WOS:000413851700041
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149766
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.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:
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.
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