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Adsorption performance and physicochemical mechanism of MnO

Xiaoyan Deng, Luxing Wang, Qihui Xiu, Ying Wang, Hong Han, Dongmei Dai, Yongji Xu, Hongtao Gao, Xien Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 538-551 doi: 10.1007/s11705-020-1958-1

Abstract: In this work, an adsorbent, which we call MnPT, was prepared by combining MnO , polyethylenimine andtannic acid, and exhibited efficient performance for Cu(II) and Cr(VI) removal from aqueous solution.

Keywords： MnO2-polyethylenimine-tannic acid composite     surface complexation formation model     Cu(II)     Cr    

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Removal of clofibric acid from aqueous solution by polyethylenimine-modified chitosan beads

Yao NIE,Shubo DENG,Bin WANG,Jun HUANG,Gang YU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 675-682 doi: 10.1007/s11783-013-0622-0

Abstract: Polyethylenimine (PEI)-modified chitosan was prepared and used to remove clofibric acid (CA) from aqueousthe effects of PEI concentration and reaction time in the preparation on the adsorption of clofibric acid

Keywords： clofibric acid     PEI-modified chitosan     adsorption capacity     adsorption mechanism     electrostatic interaction    

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Efficient base-free oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over copper-doped

Feng Cheng, Dongwen Guo, Jinhua Lai, Meihui Long, Wenguang Zhao, Xianxiang Liu, Dulin Yin

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 960-968 doi: 10.1007/s11705-020-1999-5

Abstract: 2,5-Furandicarboxylic acid (FDCA) is an important and renewable building block and can serve as an alternativeto terephthalic acid in the production of bio-based degradable plastic.In this study, Cu-doped MnO  nanorods were prepared by a facile hydrothermal redox method and employedMore importantly, the Cu-doped MnO catalyst can maintain durable catalytic activity after being recycled

Keywords： 5-hydroxymethylfurfural     25-furandicarboxylic acid     selective oxidation     Cu-doped MnO2     biomass    

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Hydrothermal synthesis of crystalline α-/β-MnO2 nanorods via γ-MnOOH nanorod precursors

ZHANG Weixin, REN Xiangbin, YANG Zeheng, WANG Hua, WANG Qiang, HUANG Fei

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 365-371 doi: 10.1007/s11705-007-0066-9

Abstract: The crystalline -MnO and -MnO nanorods have been successfully prepared via a facile hydrothermal methodThe -MnO nanorods are prepared from the 100°C -MnOOH precursor, while the -MnO nanorods are obtainedBesides, the catalytic activity of the prepared -MnO and -MnO nanorods for the HO decomposition has been

Keywords： obtained     -MnOOH precursor     Besides     high-resolution transmission     precursor    

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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-MnO2@g-C3N4 was successfully prepared forCompared with pure α-MnO2, α-MnO2@g-C3N4 hasEven at 1 A·g–1, the α-MnO2@g-C3N4 still retains 100The α-MnO2@g-C3N4-based cathode has the highest energy density

Keywords： α-MnO2 hollow nanorods     g-C3N4     heterojunction     aqueous Zn-ion    

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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： MnO2 microspheres     Au/MnO2     formaldehyde oxidation     γ-MnO2    

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Atomic force microscopy study on the microtopography of natural organic matter and newly formed hydrous MnO2

GUO Jin, MA Jun, SHI Xuehua

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 251-256 doi: 10.1007/s11783-007-0043-z

Abstract: nm) as well as some spherical particle structures compared with the hydrous manganese dioxide with 2

Keywords： spherical     microtopography     potassium permanganate     uniform spherical     morphology    

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Synergistic scale inhibition of polyaspartic acid composite with magnetic field

LIU Zhenfa, WANG Yanji, GAO Yuhua, ZHANG Lihui

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 261-265 doi: 10.1007/s11705-007-0047-z

Abstract: Polyaspartic acid (PASP) composite, a scale inhibitor, was prepared from PASP, itaconic acid–acrylicacid–acrylic ester (IA-AA-AE) terpolymer and 2-phosphonobutane- 1,2,4-tricarboxylic acid (PBTCA).The scale inhibition of PASP composite and the effect of its synergism with a magnetic field on scaleThe static and dynamic experiments show that the chelating function of PASP composite for Ca can be enhancedUnder Ca 650 mg/L, HCO 1,300 mg/L and PASP composite 4 mg/L, the scale inhibition rate of PASP composite

Keywords： synergism     magnetic     PBTCA     dynamic     acid–acrylic acid–acrylic    

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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: treatment, this work proposes a two-step activation method to load MnO2 charge transfer ontobiomass-derived carbon (KAC@MnO2).Comprehensive analysis reveals that KAC@MnO2 has a micro-mesoporous coexistence structureSpecifically, KAC@MnO2 exhibits an initial charge-discharge capacity of 847.3/1813.2 mAh·gEven at a high current density of 1.0 A·g–1, KAC@MnO2 still exhibits excellent

Keywords： biomass-derived carbon     MnO2     lithium-ion batteries     anode material     high reversible capacity    

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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： MnO2     Congo red     adsorption     kinetics     isotherm     thermodynamics    

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Effects of polyethylenimine on the dispersibility of hollow silica nanoparticles

WEN Lixiong, WANG Qing, ZHENG Tianyuan, CHEN Jianfeng

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 277-282 doi: 10.1007/s11705-007-0050-4

Abstract: study, two different methods were applied to disperse hollow silica nanoparticles (HSNP); one employed polyethylenimine

Keywords： dispersion improvement     different     prepared HSNP     relationship     agglomeration    

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Proline-2′-deoxymugineic acid, a phytosiderophore analog, drives beneficial rhizobacterial community

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023531

Abstract:

● Proline-2′-deoxymugineic (PDMA) significantly altered the bacterial

Keywords： Beneficial rhizobacteria recruitment     peanut     plant-soil micronutrition enhancement     proline-2′-deoxymugineicacid     stable microbial network    

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Effective and selective adsorption of uranyl ions by porous polyethylenimine-functionalized carboxylatedchitosan/oxidized activated charcoal composite

Juan Shen, Fang Cao, Siqi Liu, Congjun Wang, Rigui Chen, Ke Chen

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 408-419 doi: 10.1007/s11705-021-2054-x

Abstract: Composite materials have elicited much interest because of their superior performance in the removaland oxidizing activated carbon as a nanofiller, this study synthesized a novel environment-friendly polyethylenimine-functionalized

Keywords： polyethylenimine     carboxylated chitosan     activated charcoal     uranyl ion     adsorption    

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Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 709-719 doi: 10.1007/s11705-021-2078-2

Abstract: Pervaporation flux of the composite membrane reached 35€±€2 kg·m–2·h–1 with a sodiumMoreover, the membrane was stable in 4 wt-% sulfuric acid and a 500 mg·L−1 sodium hypochloriteof concentrating a NaOH solution from 5 to 10 wt-% at 60 °C, an average water flux of 23 kg·m–2<

Keywords： pervaporation     alkaline solution concentration     polyethylene membrane     acid resistance     chlorine tolerance    

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Magnetic KIT-6 nano-composite and its amino derivatives as convenient adsorbent for U(VI) sequestration

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2037-2049 doi: 10.1007/s11705-023-2358-0

Abstract: Herein, we successfully prepared magnetic KIT-6 nano-composite and its amino derivatives by bearing acid-resistantendothermic nature and ionic strength independence, and the adsorbents can be easily regenerated by acid

Keywords： magnetic nanoparticle     3D mesoporous silica     amino functionalization     adsorption of U(VI)     acid resistance    

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Title Author Date Type Operation

Adsorption performance and physicochemical mechanism of MnO

Xiaoyan Deng, Luxing Wang, Qihui Xiu, Ying Wang, Hong Han, Dongmei Dai, Yongji Xu, Hongtao Gao, Xien Liu

Journal Article

Removal of clofibric acid from aqueous solution by polyethylenimine-modified chitosan beads

Yao NIE,Shubo DENG,Bin WANG,Jun HUANG,Gang YU

Journal Article

Efficient base-free oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over copper-doped

Feng Cheng, Dongwen Guo, Jinhua Lai, Meihui Long, Wenguang Zhao, Xianxiang Liu, Dulin Yin

Journal Article

Hydrothermal synthesis of crystalline α-/β-MnO2 nanorods via γ-MnOOH nanorod precursors

ZHANG Weixin, REN Xiangbin, YANG Zeheng, WANG Hua, WANG Qiang, HUANG Fei

Journal Article

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

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

Atomic force microscopy study on the microtopography of natural organic matter and newly formed hydrous MnO2

GUO Jin, MA Jun, SHI Xuehua

Journal Article

Synergistic scale inhibition of polyaspartic acid composite with magnetic field

LIU Zhenfa, WANG Yanji, GAO Yuhua, ZHANG Lihui

Journal Article

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

Journal Article

Facile synthesis of α-MnO

Weixin ZHANG, Wenran ZHAO, Zaoyuan ZHOU, Zeheng YANG

Journal Article

Effects of polyethylenimine on the dispersibility of hollow silica nanoparticles

WEN Lixiong, WANG Qing, ZHENG Tianyuan, CHEN Jianfeng

Journal Article

Proline-2′-deoxymugineic acid, a phytosiderophore analog, drives beneficial rhizobacterial community

Journal Article

Effective and selective adsorption of uranyl ions by porous polyethylenimine-functionalized carboxylatedchitosan/oxidized activated charcoal composite

Juan Shen, Fang Cao, Siqi Liu, Congjun Wang, Rigui Chen, Ke Chen

Journal Article

Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

Journal Article

Magnetic KIT-6 nano-composite and its amino derivatives as convenient adsorbent for U(VI) sequestration

Journal Article