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Reduction kinetics of SrFeO/CaO∙MnO nanocomposite as effective oxygen carrier for chemical looping partial

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1726-1734 doi: 10.1007/s11705-022-2188-5

Abstract: In this work, the kinetics of SrFeO<sub>3−δsub>–CaO∙MnO nanocomposite reduction by methane wasloss related to the partial oxidation is well fitted by the Avrami–Erofeyev equation with n = 3(A3 model) with an activation energy of 59.8 kJ∙mol‒1.rate law for the partial oxidation includes a solid conversion term whose expression is given by the A3

Keywords： chemical looping reforming     SrFeO<sub>3−δsub>/CaO·MnO nanocomposite     reduction kinetics     Avrami–Erofeyev    

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g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 217-225 doi: 10.1007/s11705-022-2214-7

Abstract: Herein, superior α-MnO<sub>2sub>@g-C<sub>3sub>N<sub>4sub> was successfully prepared forstable zinc-ion batteries (ZIBs) cathode by introducing g-C<sub>3sub>N<sub>4sub> nanosheets.Compared with pure α-MnO<sub>2sub>, α-MnO<sub>2sub>@g-C<sub>3sub>N<sub>4sub> hasEven at 1 A·g–1, the α-MnO<sub>2sub>@g-C<sub>3sub>N<sub>4sub> still retains 100The α-MnO<sub>2sub>@g-C<sub>3sub>N<sub>4sub>-based cathode has the highest energy density

Keywords： α-MnO<sub>2sub> hollow nanorods     g-C<sub>3sub>N<sub>4sub>     heterojunction     aqueous Zn-ion    

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Denitrification performance and sulfur resistance mechanism of Sm–Mn catalyst for low temperature NH-SCR

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 617-633 doi: 10.1007/s11705-022-2258-8

Abstract: MnO<sub>xsub> and Sm–Mn catalysts were prepared with the coprecipitation method, and they showedsub> by NH<sub>3sub> between 50 and 300 °C in the presence of excess oxygen. 0.10Sm–Mn catalyst indicatedTherefore, it significantly enhances the NO conversion, N<sub>2sub> selectivity, and sulfur resistance>2sub> and the amount of surface adsorbed oxygen.The Bronsted acid sites strengthen significantly due to the addition of SO<sub>2sub>, enhancing the

Keywords： MnO<sub>xsub>     Sm–Mn     catalyst     NH<sub>3sub>-SCR     sulfur resistance    

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Events and reaction mechanisms during the synthesis of an Al

M. ABDELLAHI, M. ZAKERI, H. BAHMANPOUR

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 123-129 doi: 10.1007/s11705-013-1325-6

Abstract: An Al O -TiB nanocomposite was successfully synthesized by the high energy ball milling of Al, B OA nanocomposite powder with a mean crystallite size of 35–40 nm was obtained after milling for 15 h.

Keywords： ball milling     nanocomposite     Al<sub>2sub>O<sub>3sub>     TiB<sub>2sub>    

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Catalytic activities and mechanism of formaldehyde oxidation over gold supported on MnO

Guanglong PANG,Donghui WANG,Yunhong ZHANG,Chunyan MA,Zhengping HAO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 447-457 doi: 10.1007/s11783-015-0808-8

Abstract: MnO microspheres with various surface structures were prepared using the hydrothermal method, and Au/MnO catalysts were synthesized using the sol-gel method.We obtained three MnO microspheres and Au/MnO samples: coherent solid spheres covered with wire-like, and γ-MnO shows high catalytic performance.The excellent redox properties are responsible for the catalytic ability of γ-MnO .

Keywords： MnO<sub>2sub> microspheres     Au/MnO<sub>2sub>     formaldehyde oxidation     γ-MnO<sub>2sub>    

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A magnetic adsorbent based on salicylic acid-immobilized magnetite nano-particles for pre-concentration of Cd(II) ions

Hossein Abdolmohammad-Zadeh, Arezu Salimi

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 450-459 doi: 10.1007/s11705-020-1930-0

Abstract: In this research, an eco-friendly magnetic adsorbent based on Fe O /salicylic acid nanocomposite wasThe crystalline and morphological characterization of the prepared nanocomposite was performed by fieldThe nanocomposite was employed as a magnetic solid-phase extraction agent for separation of Cd(II) ions

Keywords： cadmium     magnetic solid-phase extraction     Fe<sub>3sub>O<sub>4sub> nanoparticles     Fe<sub>3sub>O<sub>4sub>/salicylic acid nanocomposite     flame atomic absorption spectrometry    

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Fabrication and photocatalytic ability of an Au/TiO<sub>2sub>/reduced graphene oxide nanocomposite

Fenghe Lv, Hua Wang, Zhangliang Li, Qi Zhang, Xuan Liu, Yan Su

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0977-8

Abstract: A new type of Au/TiO /reduced graphene oxide (RGO) nanocomposite was fabricated by the hydrothermal synthesis

Keywords： Reduced graphene oxide     Au     TiO<sub>2sub>     Nanocomposite     Photocatalysis    

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Synthesis of MnFe

Jian LI,Yue JIAO,Caichao WAN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1,   Pages 116-120 doi: 10.15302/J-FASE-2017141

Abstract: In addition, the nanocomposite was easily actuated under the effect of an external magnetic field, revealingstrong magnetic responsiveness, and unique structural feature, this class of MnFe O /cellulose aerogel nanocomposite

Keywords： cellulose aerogel     MnFe<sub>2sub>O<sub>4sub>     magnetic responsiveness     nanocomposite    

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Preparation of biomass-derived carbon loaded with MnO as lithium-ion battery anode for improving its

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2376-y

Abstract: By combining the benefits of K<sub>2sub>CO<sub>3sub> activation and KMnO<sub>4sub> hydrothermaltreatment, this work proposes a two-step activation method to load MnO<sub>2sub> charge transfer ontobiomass-derived carbon (KAC@MnO<sub>2sub>).Comprehensive analysis reveals that KAC@MnO<sub>2sub> has a micro-mesoporous coexistence structure>2sub>CO<sub>3sub> activated carbon, respectively.

Keywords： biomass-derived carbon     MnO<sub>2sub>     lithium-ion batteries     anode material     high reversible capacity    

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Newly-modeled graphene-based ternary nanocomposite for the magnetophotocatalytic reduction of CO2 with

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1438-1459 doi: 10.1007/s11705-022-2166-y

Abstract: The selectivity of each nanocomposite substantially enhanced the activity of the AgCuZnS<sub>2sub>–graphene–TiO<sub>2sub> ternary nanocomposite due to the successful interaction, and the selectivityof the final product was improved to a value 3 times higher than that of the pure AgCuZnS<sub>2sub> and 2 times higher than those of AgCuZnS<sub>2sub>–graphene and AgCuZnS<sub>2sub>–TiO<sub>2subWe believe that our newly-modeled ternary nanocomposite opens up new opportunities for the evolution

Keywords： ternary nanocomposite     photocatalytic     electrochemical CO<sub>2sub> reduction     UV-light     magnetic core    

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Facile synthesis of α-MnO

Weixin ZHANG, Wenran ZHAO, Zaoyuan ZHOU, Zeheng YANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 64-72 doi: 10.1007/s11705-014-1402-5

Abstract: In this paper, α-MnO micronests composed of nanowires were fabricated via a hydrothermal reaction ofThe α-MnO micronests were demonstrated to have a higher adsorption capacity than γ-MnO microspheresThe amount of Congo red adsorbed per unit weight of α-MnO micronests increased significantly from 114Kinetics, isotherms and thermodynamics for the adsorption of Congo red on α-MnO micronests were examinedThe experimental results indicate that α-MnO micronests possess a high adsorption capacity and could

Keywords： MnO<sub>2sub>     Congo red     adsorption     kinetics     isotherm     thermodynamics    

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Effects of oxidizing environment on digestate humification and identification of substances governing the dissolved organic matter (DOM) transformation process

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1520-0

Abstract:

• Liquid digestate humification was investigated under different oxidizing environment.

Keywords： Liquid digestate     MnO<sub>2sub>     Oxygen     DOM transformation     Humic-like acids    

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Influence of surface modified mixed metal oxide nanoparticles on the electrochemical and mechanical properties of polyurethane matrix

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 1-14 doi: 10.1007/s11705-022-2176-9

Abstract: Newly synthesized functional nanoparticles, 3-amino-1,2,4-triazole (ATA)/SiO<sub>2sub>–TiO<sub>2sub>2sub>–TiO<sub>2sub> nanocomposite coated steel specimen.The coating resistance (R<sub>coatsub>) of PU–ATA/SiO<sub>2sub>–TiO<sub>2sub> was determinedThe R<sub>coatsub> of the PU–ATA/SiO<sub>2sub>–TiO<sub>2sub> nanocomposite coating was foundTherefore, the newly synthesised PU–ATA/SiO<sub>2sub>–TiO<sub>2sub> nanocomposite provided excellent

Keywords： SiO<sub>2sub>/TiO<sub>2sub> nanoparticle     nanocomposite coatings     dynamic mechanical analysis     electrochemical    

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nanoparticle with 4-triethoxysilylaniline to enhance seawater desalination properties of thin-film nanocomposite

Jian Wang, Qun Wang, Xueli Gao, Xinxia Tian, Yangyang Wei, Zhen Cao, Chungang Guo, Huifeng Zhang, Zhun

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1185-5

Abstract: nanoparticles (MSN), with higher water permeability than NaA zeolite, were used to fabricate thin-film nanocomposite

Keywords： Thin film nanocomposite membrane     Reverse osmosis     Seawater desalination     Aminophenyl-functionalized mesoporous    

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Rh<sub>2sub>O<sub>3sub>/hexagonal CePO<sub>4sub> nanocatalysts for N<sub>2sub>O decomposition

Huan Liu, Zhen Ma

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 586-593 doi: 10.1007/s11705-017-1659-6

Abstract: Hexagonal CePO nanorods were prepared by a precipitation method and hexagonal CePO nanowires were prepared by hydrothermal synthesis at 150 °C. Rh(NO ) was then used as a precursor for the impregnation of Rh O onto these CePO materials. The Rh O supported on the CePO nanowires was much more active for the catalytic decomposition of N O than the Rh O supported on CePO nanorods. The stability of both catalysts as a function of time on stream was studied and the influence of the co-feed (CO , O , H O or O /H O) on the N O decomposition was also investigated. The samples were characterized by N adsorption-desorption, inductively coupled plasma optical emission spectroscopy, X-ray diffraction, transmission electron microscopy, X-ray photoelectron microscopy, hydrogen temperature-programmed reduction, oxygen temperature-programmed desorption, and CO temperature-programmed desorption in order to correlate the physicochemical and catalytic properties.

Keywords： Rh<sub>2sub>O<sub>3sub>     CePO<sub>4sub>     N<sub>2sub>O decomposition    

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Title Author Date Type Operation

Reduction kinetics of SrFeO/CaO∙MnO nanocomposite as effective oxygen carrier for chemical looping partial

Journal Article

g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Journal Article

Denitrification performance and sulfur resistance mechanism of Sm–Mn catalyst for low temperature NH-SCR

Journal Article

Events and reaction mechanisms during the synthesis of an Al

M. ABDELLAHI, M. ZAKERI, H. BAHMANPOUR

Journal Article

Catalytic activities and mechanism of formaldehyde oxidation over gold supported on MnO

Guanglong PANG,Donghui WANG,Yunhong ZHANG,Chunyan MA,Zhengping HAO

Journal Article

A magnetic adsorbent based on salicylic acid-immobilized magnetite nano-particles for pre-concentration of Cd(II) ions

Hossein Abdolmohammad-Zadeh, Arezu Salimi

Journal Article

Fabrication and photocatalytic ability of an Au/TiO<sub>2sub>/reduced graphene oxide nanocomposite

Fenghe Lv, Hua Wang, Zhangliang Li, Qi Zhang, Xuan Liu, Yan Su

Journal Article

Synthesis of MnFe

Jian LI,Yue JIAO,Caichao WAN

Journal Article

Preparation of biomass-derived carbon loaded with MnO as lithium-ion battery anode for improving its

Journal Article

Newly-modeled graphene-based ternary nanocomposite for the magnetophotocatalytic reduction of CO2 with

Journal Article

Facile synthesis of α-MnO

Weixin ZHANG, Wenran ZHAO, Zaoyuan ZHOU, Zeheng YANG

Journal Article

Effects of oxidizing environment on digestate humification and identification of substances governing the dissolved organic matter (DOM) transformation process

Journal Article

Influence of surface modified mixed metal oxide nanoparticles on the electrochemical and mechanical properties of polyurethane matrix

Journal Article

nanoparticle with 4-triethoxysilylaniline to enhance seawater desalination properties of thin-film nanocomposite

Jian Wang, Qun Wang, Xueli Gao, Xinxia Tian, Yangyang Wei, Zhen Cao, Chungang Guo, Huifeng Zhang, Zhun

Journal Article

Rh<sub>2sub>O<sub>3sub>/hexagonal CePO<sub>4sub> nanocatalysts for N<sub>2sub>O decomposition

Huan Liu, Zhen Ma

Journal Article