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Boosting the direct conversion of NHHCO electrolyte to syngas on Ag/Zn zeolitic imidazolate framework

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1196-1207 doi: 10.1007/s11705-022-2289-1

Abstract: A zeolitic imidazolate framework-8 precursor was introduced with different Ag contents via colloid chemicalThe AgZn zeolitic imidazolate framework derived nitrogen carbon catalyst with a Ag/Zn ratio of 0.5:1The highly discrete Ag-Nx and Zn-Nx nodes may have combined catalyticeffects in the catalysts synthesized by appropriate Ag doping and sufficient carbonization.

Keywords： Ag catalyst     zeolitic imidazolate framework     CO2 electroreduction     ammonium bicarbonate electrolyte    

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Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 143-146 doi: 10.1007/s11783-007-0025-1

Abstract: A highly effective Ag-AlO catalyst was prepared using the sol-gel method, and characterized by surfaceThe catalyst performance was tested on a real lean-burn gasoline engine.CO and HC could be efficiently oxidized with Pt-AO oxidation catalyst placed at the end of SCR converterpossible reaction mechanism was proposed as two typical processes, nitration, and reduction in HC-SCR over Ag-AlO

Keywords： lean-burn gasoline     external reductant     nitrogen adsorption     conversion     catalyst performance    

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preparation of Ag@AgCl/Bio-veins composites and their photocatalytic activity and recyclability

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 906-917 doi: 10.1007/s11705-022-2273-9

Abstract: , a facile strategy was proposed to enhance the photocatalytic activity and recovery performance of AgScanning electron microscopy results showed that the Ag@AgCl nanoparticles were uniformly loaded on thesurface and interior of the Bio-veins, and the size of the Ag@AgCl nanoparticles immobilized on theBio-veins (50–300 nm) was significantly smaller than Ag@AgCl obtained by the co-precipitation methodThe degradation efficiency of the Ag@AgCl/Bio-veins(CI4) was up to 3.50 times as high as pure Ag@AgCl

Keywords： Ag@AgCl     biological veins     photocatalytic activity     recyclability    

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Novel Ag-AgBr decorated composite membrane for dye rejection and photodegradation under visible light

Yixing Wang, Liheng Dai, Kai Qu, Lu Qin, Linzhou Zhuang, Hu Yang, Zhi Xu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 892-901 doi: 10.1007/s11705-020-2011-0

Abstract: Herein, we bound Ag-AgBr nanoparticles onto a synthesized polyacrylonitrile-ethanolamine (PAN-ETA) membraneintroduction of the CS-TiO layer improved surface hydrophilicity and provided attachment sites for the Ag-AgBrThe PAN-ETA/CS-TiO /Ag-AgBr photocatalytic membranes showed a relatively high water permeation flux (

Keywords： Ag-AgBr     dye rejection     photodegradation     visible light    

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Ag/PMMA hollow waveguide for solar energy transmission

He LAN, Jianjun HAN, Hongping CHEN, Xiujian ZHAO

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 303-307 doi: 10.1007/s11705-010-0565-y

Abstract: This paper describes an elaborate study on obtaining Ag/PMMA (polymethyl methacrylate) leaky hollow waveguidelight source, which has the similar spectrum as the sunlight to test and analyze the performance of the AgMeanwhile, the Ag/PMMA leaky-type hollow waveguide in this work had good qualities.

Keywords： hollow waveguide     transmit the solar energy     Ag/PMMA multiple film     parabolic collector    

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Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 322-327 doi: 10.1007/s11705-009-0261-y

Abstract: become the most important parameters affecting the degradation kinetics and efficiency by bimetallic Ag

Keywords： reaction     first-order     dissociation     degradation reaction     aqueous    

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Lignin-based electrospun nanofiber membrane decorated with photo-Fenton Ag@MIF-100(Fe) heterojunctions

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 930-941 doi: 10.1007/s11705-023-2309-9

Abstract: method to fabricate a lignin-based electrospun nanofiber membrane (LENM) decorated with photo-Fenton AgAs a result, the hybrid Ag@MIL-100(Fe)/LENM exhibited excellent oil/water emulsions separation efficiencyis attributed to a synergy of dye adsorption/enrichment and photo-Fenton catalytic degradation from Ag

Keywords： lignin     electrospinning     heterojunctions     photo-Fenton catalysis     wastewater remediation    

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Synthesis of Ag and Cd nanoparticles by nanosecond pulsed discharge in liquid nitrogen

Mahmoud Trad, Alexandre Nominé, Natalie Tarasenka, Jaafar Ghanbaja, Cédric Noël, Malek Tabbal, Thierry Belmonte

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 360-368 doi: 10.1007/s11705-019-1802-7

Abstract: The synthesis of CdO, Ag O (5 nm) and Ag (~20‒30 nm) nano-objects is achieved simultaneously by nanosecond-pulsed

Keywords： spark discharges     submerged discharges     time-resolved optical emission spectroscopy     liquid nitrogen    

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Separation/degradation behavior and mechanism for cationic/anionic dyes by Ag-functionalized FeO-PDA

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1572-1

Abstract:

● PDA-Fe3O4-Ag was made by hydrothermal and

Keywords： PDA     Fe3O4     Magnetic adsorbent     Cationic dyes     Anionic dyes    

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Properties of Ag-doped Bi-Sb alloys as thermoelectric conversion materials for solid state refrigeration

Wen XU, Laifeng LI, Rongjin HUANG, Min ZHOU, Liyun ZHENG, Linghui GONG, Chunmei SONG

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 90-93 doi: 10.1007/s11708-009-0005-1

Abstract: The energy conversion properties of Bi-Sb system thermoelectric materials doped by Ag was investigatedBi Sb Ag ( =0, 1, 2, 3, 4) alloys with Ag substitution for Sb were synthesized by mechanical alloyingThe results reveal that the electric conductivities of the Ag-doped Bi-Sb alloys are highly improved.The power factor of Bi Sb Ag reaches a maximum value of 2.98×10 W/(K ?

Keywords： thermoelectric conversion materials     high-pressure sintering     thermoelectric properties    

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Facile synthesis of hierarchical flower-like Ag/Cu

Mengyun Wang, Shengbo Zhang, Mei Li, Aiguo Han, Xinli Zhu, Qingfeng Ge, Jinyu Han, Hua Wang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 813-823 doi: 10.1007/s11705-019-1854-8

Abstract: Novel, hierarchical, flower-like Ag/Cu O and Au/Cu O nanostructures were successfully fabricated andThereafter, Cu O was used as a sacrificial template to prepare a series of Ag/Cu O composites throughBy varying the Ag/Cu atomic ratio, Ag /Cu O, having a hierarchical, flower-like nanostructure with intersectingAg nanoflakes encompassing an inner Cu O sphere, was prepared.H evolution than the parent Cu O nanospheres due to the combination of Ag with Cu O in the former.

Keywords： bimetallic nanostructure     hierarchical metal/oxide nanomaterial     galvanic replacement     electrochemical reduction of CO2    

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Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 297-302 doi: 10.1007/s11705-011-1201-1

Abstract: A lattice model of the nanoscaled catalyst layer structure in proton exchange membrane fuel cells (PEMFCThe model takes into account all the four components in a typical PEMFC catalyst layer: platinum (Pt)elemental voxels in the lattice were set fine enough so that each average sized Pt particulate in Pt/C catalystCatalyst utilization in the modeled catalyst layer was calculated by counting up the number of facets, on catalyst utilization were investigated and discussed.

Keywords： catalyst layer     PEM fuel cell     lattice model     Monte Carlo method     catalyst utilization    

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Microwave assisted synthesis of poly(2-hydroxyethylmethacrylate) grafted agar (Ag-g-P(HEMA)) and its

Gautam SEN, G. Usha RANI, Sumit MISHRA

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 312-321 doi: 10.1007/s11705-013-1344-3

Abstract: Ag-g-P(HEMA)-2 showed a much higher flocculation efficacy than agar.The optimized dosage of flocculation for Ag-g-P(HEMA)-2 in the wastewater was found to be 0.75 ppm.Compared to agar, Ag-g-P(HEMA)-2 was found to considerably reduce the pollutant load in the wastewater

Keywords： agar     flocculant     microwave assisted synthesis     jar test protocol     poly(HEMA) grafted agar     wastewater treatment    

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Oxidant or catalyst for oxidation?

Jianzhi Huang, Huichun Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1158-8

Abstract: Manganese oxides (MnOx) have been demonstrated to be effective materials to activate Oxone (i.e., PMS) to degrade various contaminants. However, the contribution of direct oxidation by MnOx to the total contaminant degradation under acidic conditions was often neglected in the published work, which has resulted in different and even conflicting interpretations of the reaction mechanisms. Here, the role of MnOx (as both oxidants and catalysts) in the activation of Oxone was briefly discussed. The findings offered new insights into the reaction mechanisms in PMS-MnOx and provided a more accurate approach to examine contaminant degradation for water/wastewater treatment.

Keywords： Peroxymonosulfate     Manganese oxides     Catalyst     Oxidant    

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Monte Carlo simulation of the PEMFC catalyst layer

WANG Hongxing, CAO Pengzhen, WANG Yuxin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 146-150 doi: 10.1007/s11705-007-0027-3

Abstract: of the polymer electrolyte membrane fuel cell (PEMFC) is greatly controlled by the structure of the catalystLow catalyst utilization is still a significant obstacle to the commercialization of the PEMFC.on the catalyst utilization and the performance of the PEMFC.The model can predict the effects of some catalyst layer components, such as Pt/C catalyst, electrolyteand gas pores, on the utilization of the catalyst and the cell performance.

Keywords： catalyst utilization     PEMFC     commercialization     Pt/C catalyst     conduction    

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Title Author Date Type Operation

Boosting the direct conversion of NHHCO electrolyte to syngas on Ag/Zn zeolitic imidazolate framework

Journal Article

Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Journal Article

preparation of Ag@AgCl/Bio-veins composites and their photocatalytic activity and recyclability

Journal Article

Novel Ag-AgBr decorated composite membrane for dye rejection and photodegradation under visible light

Yixing Wang, Liheng Dai, Kai Qu, Lu Qin, Linzhou Zhuang, Hu Yang, Zhi Xu

Journal Article

Ag/PMMA hollow waveguide for solar energy transmission

He LAN, Jianjun HAN, Hongping CHEN, Xiujian ZHAO

Journal Article

Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Journal Article

Lignin-based electrospun nanofiber membrane decorated with photo-Fenton Ag@MIF-100(Fe) heterojunctions

Journal Article

Synthesis of Ag and Cd nanoparticles by nanosecond pulsed discharge in liquid nitrogen

Mahmoud Trad, Alexandre Nominé, Natalie Tarasenka, Jaafar Ghanbaja, Cédric Noël, Malek Tabbal, Thierry Belmonte

Journal Article

Separation/degradation behavior and mechanism for cationic/anionic dyes by Ag-functionalized FeO-PDA

Journal Article

Properties of Ag-doped Bi-Sb alloys as thermoelectric conversion materials for solid state refrigeration

Wen XU, Laifeng LI, Rongjin HUANG, Min ZHOU, Liyun ZHENG, Linghui GONG, Chunmei SONG

Journal Article

Facile synthesis of hierarchical flower-like Ag/Cu

Mengyun Wang, Shengbo Zhang, Mei Li, Aiguo Han, Xinli Zhu, Qingfeng Ge, Jinyu Han, Hua Wang

Journal Article

Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Journal Article

Microwave assisted synthesis of poly(2-hydroxyethylmethacrylate) grafted agar (Ag-g-P(HEMA)) and its

Gautam SEN, G. Usha RANI, Sumit MISHRA

Journal Article

Oxidant or catalyst for oxidation?

Jianzhi Huang, Huichun Zhang

Journal Article

Monte Carlo simulation of the PEMFC catalyst layer

WANG Hongxing, CAO Pengzhen, WANG Yuxin

Journal Article