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Enrichment of CO from syngas with Cu(I)Y adsorbent by five-bed VPSA

Shuna LI, Huawei YANG, Donghui ZHANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 472-481 doi: 10.1007/s11705-013-1351-4

Abstract: Cu(I)Y adsorbent was prepared by reduction of Cu(II)Y which was prepared by ion exchange between theNaY zeolite and a solution of Cu(II) chloride.The dynamic adsorption capacity of Cu(I)Y for CO was calculated by adsorption breakthrough curve measuredThen a five-bed VPSA process for separating CO from syngas on this adsorbent was dynamically simulated

Keywords： Cu(I)Y adsorbent     breakthrough curve     desorption     VPSA     simulation    

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Approaching the binding between Cu(II) and aerobic granules by a modified titration and µ-XRF

Hongwei LUO,Longfei WANG,Zhonghua TONG,Hanqing YU,Guoping SHENG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 362-367 doi: 10.1007/s11783-015-0803-0

Abstract: study, a modified titration method with a dynamic mode was developed to investigate the binding of Curesults demonstrated that the distribution of metals on the granular surface was heterogeneous, and CuIon exchange and complexing were the main mechanisms for the biosorption of Cu(II) by aerobic granulesThese results would be beneficial for better understanding of Cu(II) migration and its fate in wastewater

Keywords： aerobic granules     Cu(II)     modified titration     <i>µi>-XRF analysis    

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><i>In situi> growth of phosphorized ZIF-67-derived amorphous CoP/Cu2O@CF electrocatalyst

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1430-1439 doi: 10.1007/s11705-023-2320-1

Abstract: Herein, we report an <i>in situi> phosphorization of zeolitic imidazole frameworks (ZIF-67) to generateThe intermediate product was phosphorized to obtain final electrocatalyst (CoP/Cu2O@CF) withThe electrochemical measurement proved that CoP/Cu2O@CF catalyst exhibited excellent HER activitydi>-band center of CoP downshifted after bonding with ZIF-67 and the Gibbs free energy (Δ<i>Gi>Cu2O@CF catalyst, which will act as

Keywords： CoP/Cu2O@CF     electrocatalyst     phosphorization     HER     DFT    

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Novel method for the preparation of Cs-containing FAU(Y) catalysts for aniline methylation

Kolozhvari, Irina I. Ivanova

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 70-76 doi: 10.1007/s11705-017-1694-3

Abstract: Cs-containing FAU(Y)-type zeolite catalysts were prepared by conventional and novel ion exchange proceduresCatalytic properties of Cs-containing FAU(Y) were studied in aniline methylation.

Keywords： FAU(Y) zeolite     ion exchange with cesium     aniline alkylation     <i>Ni>-methylaniline    

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Optimizing synthesis conditions of nanoscale zero-valent iron (nZVI) through aqueous reactivity assessment

Y. YANG,Weixian ZHANG,Weile YAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 813-822 doi: 10.1007/s11783-015-0784-z

Abstract: properties of the resultant nanoparticles were assayed independently using two model aqueous contaminants, CuThe two probing reactions (i.e., Cu(II) and nitrate reduction) are able to generate consistent and quantitativeAdditional insights including the structural and chemical makeup of nZVI can be garnered from Cu(II)

Keywords： iron nanoparticles     nanoscale iron particles (nZVI)     synthesis     characterization     Cu(II) reduction     nitrate    

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Advantageous mechanochemical synthesis of copper(I) selenide semiconductor, characterization, and properties

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 433-442 doi: 10.1007/s11705-021-2066-6

Abstract: Copper(I) selenide-nanocrystalline semiconductor was synthesized via one-step mechanochemical synthesiswas followed by X-ray powder diffraction analysis and specific surface area measurements of milled 2CuThe X-ray diffraction confirmed the orthorhombic crystal structure of Cu2Se with the crystallitechemical structure was studied by X-ray photoelectron spectroscopy, whereby the binding energy of the Cu2p and Se 3d signals corresponded to Cu+ and Se2– oxidation states.

Keywords： Cu2Se     berzelianite     nanocrystalline semiconductor     mechanochemical synthesis     planetary ball    

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Numerical investigation of the ultimate lateral resistance of piles in soft clay

Konstantinos P. TZIVAKOS,Michael J. KAVVADAS

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 194-200 doi: 10.1007/s11709-014-0251-0

Abstract: The paper presents a numerical study on the undrained lateral response of a single, free-head, reinforced concrete pile in soft clays. Soil conditions simulating normally consolidated clays are examined—undrained shear strength increasing with depth—and the pile-soil interaction under static lateral loading is analyzed. The nonlinear ? curves proposed in literature for soft clays are imported into a beam-on-nonlinear-Winkler-foundation simulation in order to predict the pile head lateral load—displacement curve and the distribution of the horizontal displacement and bending moment along the pile. The striking differences among these methods require further investigation via 3D finite element analyses. The determination of the ultimate soil resistance from the results of the finite element analyses aims at providing the estimation of a range of values for the ultimate soil resistance coefficient with depth and the comparison of the derived values to the corresponding ones proposed by existing methodologies.

Keywords： laterally loaded     pile     soft clay     <i>pi>?<i>yi> curves     finite element method (FEM)    

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NO hydrogenation to NH over FeCu/TiO catalyst with improved activity

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1973-1985 doi: 10.1007/s11705-023-2364-2

Abstract: In this study, we employed a straightforward and efficient impregnation technique to create various Cu-dopedNotably, the optimized 10Fe-8Cu/TiO2 catalyst exhibited exceptional catalytic performanceWe employed <i>in situi> diffuse reflectance Fourier transform infrared spectroscopy and conductedOur findings unequivocally demonstrate that Cu doping enhances the rate-limiting hydrogenation step and

Keywords： NO hydrogenation     synthetic ammonia     10Fe-<i>xi>Cu/TiO2     high selectivity    

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LDL adsorbent with dendrimer PAMAM as spacer

YUAN Yi, WANG Yanming, YU Yaoting

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 434-438 doi: 10.1007/s11705-008-0084-2

Abstract: To study the spacer effect of low density lipoprotein (LDL) adsorbent, we linked dendrimer polyamidoaminethat the spacer with activated multi-points could efficiently improve the adsorption capacity of the adsorbent

Keywords： adsorption proportion     adsorbent     dendrimer polyamidoamine     reiterative     generation    

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Hydroxyl radical intensified Cu

Wenyue Li, Min Chen, Zhaoxiang Zhong, Ming Zhou, Weihong Xing

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1281-6

Abstract: Abstract • Cu2O NPs/H2O2 Fenton process was intensified by membrane dispersion. • DMAc removal was enhancedwastewater containing N,N-dimethylacetamide (DMAc) from polymeric membrane manufacturer was degraded in Cu2O

Keywords： Ceramic membrane reactor     <i>Ni>     <i>Ni>-dimethylacetamide     Fenton process     Cu2O     Wastewater    

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Preparation, characterization of sludge adsorbent and investigations on its removal of hydrogen sulfide

Fen LI,Tao LEI,Yanping ZHANG,Jinzhi WEI,Ying YANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 190-196 doi: 10.1007/s11783-014-0628-2

Abstract: from sewage treatment plants and solve the problem of odor pollution, the sludge was converted into an adsorbentThe capability for odor removal as well as the structure of the adsorbent was studied with H S as a targetThe results indicate that the main factor affecting the deodorization performance of the adsorbent isThe sludge adsorbent sample SAC1 prepared under optimum conditions exhibits the best deodorization performance

Keywords： orthogonal experiment     sludge adsorbent     hydrogen sulfide    

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Advanced materials: adsorbent and catalyst for environmental application

Junhua LI, Shubo DENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 301-301 doi: 10.1007/s11783-013-0529-9

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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: does not reduce the efficiency of the material to remove U(VI) while exerting its role as a recovery adsorbent

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

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Self-sustained catalytic combustion of CO enhanced by micro fluidized bed: stability operation, fluidization state and CFD simulation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1709-x

Abstract:

● Catalytic combustion in fluidized bed realizes efficient heat and mass transfer.

Keywords： Self-sustained catalytic combustion     Carbon monoxide     Cu1–xCexOy     Fluidized    

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Title Author Date Type Operation

Enrichment of CO from syngas with Cu(I)Y adsorbent by five-bed VPSA

Shuna LI, Huawei YANG, Donghui ZHANG

Journal Article

Approaching the binding between Cu(II) and aerobic granules by a modified titration and µ-XRF

Hongwei LUO,Longfei WANG,Zhonghua TONG,Hanqing YU,Guoping SHENG

Journal Article

><i>In situi> growth of phosphorized ZIF-67-derived amorphous CoP/Cu2O@CF electrocatalyst

Journal Article

Novel method for the preparation of Cs-containing FAU(Y) catalysts for aniline methylation

Kolozhvari, Irina I. Ivanova

Journal Article

Deciphering the Origins of P1-Induced Power Losses in Cu(In<i>xi>,Ga1–<i>xi>

César Omar Ramírez Quiroz, Laura-Isabelle Dion-Bertrand, Christoph J. Brabec, Joachim Müller, Kay Orgassa

Journal Article

Optimizing synthesis conditions of nanoscale zero-valent iron (nZVI) through aqueous reactivity assessment

Y. YANG,Weixian ZHANG,Weile YAN

Journal Article

Advantageous mechanochemical synthesis of copper(I) selenide semiconductor, characterization, and properties

Journal Article

Numerical investigation of the ultimate lateral resistance of piles in soft clay

Konstantinos P. TZIVAKOS,Michael J. KAVVADAS

Journal Article

NO hydrogenation to NH over FeCu/TiO catalyst with improved activity

Journal Article

LDL adsorbent with dendrimer PAMAM as spacer

YUAN Yi, WANG Yanming, YU Yaoting

Journal Article

Hydroxyl radical intensified Cu

Wenyue Li, Min Chen, Zhaoxiang Zhong, Ming Zhou, Weihong Xing

Journal Article

Preparation, characterization of sludge adsorbent and investigations on its removal of hydrogen sulfide

Fen LI,Tao LEI,Yanping ZHANG,Jinzhi WEI,Ying YANG

Journal Article

Advanced materials: adsorbent and catalyst for environmental application

Junhua LI, Shubo DENG

Journal Article

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

Journal Article

Self-sustained catalytic combustion of CO enhanced by micro fluidized bed: stability operation, fluidization state and CFD simulation

Journal Article