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Self-Propagated Flaming Synthesis of Highly Active Layered CuO-delta-MnO2 Hybrid Composites for Catalytic Total Oxidation of Toluene Pollutant
Li, Luming; Luo, Jingjie; Liu, Yuefeng; Jing, Fangli; Su, Dangsheng; Chu, Wei; Chu, W (reprint author), Sichuan Univ, Sch Chem Engn, Chengdu 610065, Peoples R China.; Chu, W (reprint author), Sichuan Univ, Inst New Energy & Low Carbon Technol, Chengdu 610065, Peoples R China.; Liu, YF (reprint author), Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy DNL, Dalian 116023, Peoples R China.
2017-07-05
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume9Issue:26Pages:21798-21808
AbstractA new self-propagated flaming (SPF) technique was applied to the synthesis of highly active layered CuO-delta-MnO2 hybrid composites, for the de-polluting catalytic total oxidation of gaseous toluene vapor. Other transition metal oxide-doped MnO2 hybrid composites were also successfully prepared and investigated, ensuring a feasible strategy for the fabrication of various layered MOx-delta-MnO2 (M=Co, Ni, or Zn) hybrids. By changing the molar ratio of the precursors (KMnO4 and acetate salt) and the type of transition metal oxide introduced, it is possible to control the crystal structure and reducibility of the sheetlike hybrid composites as well as the catalytic activity for the total oxidation of toluene. The catalyst sample (CuO-delta-MnO2) with a Mn/Cu molar ratio of 10:1 exhibited the highest catalytic performance, with a lower reaction temperature of 300 degrees C for complete toluene removal, which was comparable to the reaction temperature for total toluene conversion by the Pt-based catalyst. The SPF technique provides an approach for developing highly efficient catalysts for the complete removal of volatile organic compounds, by allowing the facile and energy-saving fabrication of large quantities of layered CuO-delta-MnO2 hybrids.; A new self-propagated flaming (SPF) technique was applied to the synthesis of highly active layered CuO-delta-MnO2 hybrid composites, for the de-polluting catalytic total oxidation of gaseous toluene vapor. Other transition metal oxide-doped MnO2 hybrid composites were also successfully prepared and investigated, ensuring a feasible strategy for the fabrication of various layered MOx-delta-MnO2 (M=Co, Ni, or Zn) hybrids. By changing the molar ratio of the precursors (KMnO4 and acetate salt) and the type of transition metal oxide introduced, it is possible to control the crystal structure and reducibility of the sheetlike hybrid composites as well as the catalytic activity for the total oxidation of toluene. The catalyst sample (CuO-delta-MnO2) with a Mn/Cu molar ratio of 10:1 exhibited the highest catalytic performance, with a lower reaction temperature of 300 degrees C for complete toluene removal, which was comparable to the reaction temperature for total toluene conversion by the Pt-based catalyst. The SPF technique provides an approach for developing highly efficient catalysts for the complete removal of volatile organic compounds, by allowing the facile and energy-saving fabrication of large quantities of layered CuO-delta-MnO2 hybrids.
description.department[li, luming ; jing, fangli ; chu, wei] sichuan univ, sch chem engn, chengdu 610065, peoples r china ; [li, luming ; jing, fangli ; chu, wei] sichuan univ, inst new energy & low carbon technol, chengdu 610065, peoples r china ; [luo, jingjie ; su, dangsheng] chinese acad sci, inst met res, shenyang natl lab mat sci synl, shenyang 110016, peoples r china ; [liu, yuefeng ; su, dangsheng] chinese acad sci, dalian inst chem phys, dalian natl lab clean energy dnl, dalian 116023, peoples r china
KeywordSelf-propagated Flaming (Spf) Technique Layered Transition Metal Oxide-doped Mno2 Volatile Organic Compounds Catalytic Combustion Highly Efficient Cuo-delta-mno2 Nanocatalyst
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
Funding OrganizationFundamental Research Funds for the National Natural Science Foundation of China [21606243, 201476145, 91645117]; China Postdoctoral Science Foundation [2016M600221]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78051
Collection中国科学院金属研究所
Corresponding AuthorChu, W (reprint author), Sichuan Univ, Sch Chem Engn, Chengdu 610065, Peoples R China.; Chu, W (reprint author), Sichuan Univ, Inst New Energy & Low Carbon Technol, Chengdu 610065, Peoples R China.; Liu, YF (reprint author), Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy DNL, Dalian 116023, Peoples R China.
Recommended Citation
GB/T 7714
Li, Luming,Luo, Jingjie,Liu, Yuefeng,et al. Self-Propagated Flaming Synthesis of Highly Active Layered CuO-delta-MnO2 Hybrid Composites for Catalytic Total Oxidation of Toluene Pollutant[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(26):21798-21808.
APA Li, Luming.,Luo, Jingjie.,Liu, Yuefeng.,Jing, Fangli.,Su, Dangsheng.,...&Liu, YF .(2017).Self-Propagated Flaming Synthesis of Highly Active Layered CuO-delta-MnO2 Hybrid Composites for Catalytic Total Oxidation of Toluene Pollutant.ACS APPLIED MATERIALS & INTERFACES,9(26),21798-21808.
MLA Li, Luming,et al."Self-Propagated Flaming Synthesis of Highly Active Layered CuO-delta-MnO2 Hybrid Composites for Catalytic Total Oxidation of Toluene Pollutant".ACS APPLIED MATERIALS & INTERFACES 9.26(2017):21798-21808.
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