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CuO/zeolite catalyzed oxidation of gaseous toluene under microwave heating

Longli BO, Jianbo LIAO, Yucai ZHANG, Xiaohui WANG, Quan YANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 395-402 doi: 10.1007/s11783-012-0417-8

Abstract: typical toxic volatile organic compound, was oxidized through a fixed bed reaction chamber containing zeolite-supportedcopper oxide (CuO/zeolite) catalyst mixed with silicon carbide (SiC), an excellent microwave-absorbingThe target compound was efficiently degraded on the surface of the catalyst at high reaction temperatureA set of experimental parameters, such as microwave power, air flow and the loading size of CuO etc.,Furthermore, the catalyst was highly stable even after eight consecutive 6-h runs.

Keywords： microwave     catalytic oxidation     CuO/zeolite catalyst     silicon carbide (SiC)     toluene    

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Boehmite-supported CuO as a catalyst for catalytic transfer hydrogenation of 5-hydroxymethylfurfural

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 415-424 doi: 10.1007/s11705-022-2225-4

Abstract: Herein, we prepared a boehmite-supported copper-oxide catalyst for the selective hydrogenation of 5-hydroxymethylfurfuralThrough characterization and factor investigations, it was noted that CuO is crucial for high BHMF selectivityTo establish the catalyst structure-activity correlation, a possible mechanism was proposed.The copper-oxide catalyst deactivated following CTH because ethanol reduced the CuO, which consequentlyFinally, calcination of the catalyst in air recovered its activity.

Keywords： biomass     5-hydroxymethylfurfural     2     5-bis(hydroxymethyl)furan     transfer hydrogenation     catalysis    

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Methane Nonflame Combustion in Molten Salt Using CuO Catalyst

He Fang,Wang Hua,Dai Yongnian

Strategic Study of CAE 2004, Volume 6, Issue 7,   Pages 65-69

Abstract: ;2</sub>SO<sub>4</sub> as molten salt system, CH<sub>4</sub> as fuel, CuOas catalyst was experimentally investigated.

Keywords： nonflame combustion technology     molten salt     greenhouse gas reduction    

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Conversion of phenol to cyclohexane in the aqueous phase over Ni/zeolite bi-functional catalysts

Jimei Zhang, Fuping Tian, Junwen Chen, Yanchun Shi, Hongbin Cao, Pengge Ning, Shanshan Sun, Yongbing Xie

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 288-298 doi: 10.1007/s11705-020-1932-y

Abstract: zeolites were beneficial for dispersing Ni and forming small Ni particles, and the corresponding Ni/zeolitecatalyst exhibited a higher phenol conversion and selectivity towards hydrocarbons.Importantly, the Ni/HIM-5 bi-functional catalyst exhibited a high activity (98.3%) and high selectivityfor hydrocarbons (98.8%) when heated at 220°C for 1 h and is thus a new potential catalyst for the HDO

Keywords： aqueous-phase hydrodeoxygenation     phenol     hydrocarbons     Ni/HIM-5     bi-functional catalyst    

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Characterization and catalytic properties of mesoporous CuO/SBA-16 prepared by different impregnation

DONG Yongli, YUAN Fulong, ZHU Yujun, ZHAO Lina, CAI Zhicheng

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 150-154 doi: 10.1007/s11705-008-0036-x

Abstract: CuO/SBA-16 catalysts were prepared by two different routes – the conventional impregnation method andAfter introduction of Cu, a different CuO dispersion exists on these catalysts.The CuO/SBA-16 prepared by modified impregnation method has a single highly dispersed CuO which is consideredCuO/SBA-16 prepared by the conventional impregnation method shows the presence of bulk CuO species which

Keywords： different     CuO/SBA-16     temperature     physisorption     introduction    

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Effects of preparation methods on the activity of CuO/CeO

Huanhuan Shang, Xiaoman Zhang, Jing Xu, Yifan Han

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 603-612 doi: 10.1007/s11705-017-1661-z

Abstract: The catalyst prepared by impregnation has more highly dispersed CuO and stronger interactions betweenCuO and CeO to promote the reduction of CuO to Cu species at the Cu-Ce interface, leading to its highestFor the catalyst prepared by co-precipitation, solid solution structures observed in Raman spectra suppressNo Cu-Ce interface exists in the catalyst prepared by the mechanical mixing method due to the separatephases of CuO and CeO , resulting in its lowest activity among the three catalysts.

Keywords： CuO/CeO2     CO oxidation     interfaces     structure-performance relationship     active sites    

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Effect of Cu-ZSM-5 catalysts with different CuO particle size on selective catalytic oxidation of N,N-Dimethylformamide

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1557-0

Abstract:

● A series of Cu-ZSM-5 catalysts were tested for DMF selective catalytic oxidation.

Keywords： N     N-Dimethylformamide     Selective catalytic oxidation     Cu-ZSM-5     CuO particle size    

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Preparation of solar selective absorbing CuO coating for medium temperature application

HUANG Qunwu, WANG Yiping, LI Jinhua

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 256-260 doi: 10.1007/s11705-007-0046-0

Abstract: After pretreatment, brass was overlaid with CuO by chemical plating.The optimized condition of preparing CuO coating was obtained.In order to prolong the period of use, the CuO coating was protected by TiO.than CuO coating, without losing absorptivity markedly.The TiO coating can reduce emissivity and protect the CuO coating.

Keywords： photoelectron spectroscopy     temperature     pretreatment     absorptivity     microscopy    

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Thermal and catalytic pyrolysis of a synthetic mixture representative of packaging plastics residue

Simona Colantonio, Lorenzo Cafiero, Doina De Angelis, Nicolò M. Ippolito, Riccardo Tuffi, Stefano Vecchio Ciprioti

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 288-303 doi: 10.1007/s11705-019-1875-3

Abstract: The primary aim of this study was to understand the effects of zeolitic hydrogen ultra stable zeoliteY (HUSY) and hydrogen zeolite socony mobil-5 (HZSM5) catalysts with high silica content on the pyrolysis

Keywords： packaging plastics waste     plasmix     pyrolysis     zeolite catalyst     degradation temperature    

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Cu/Cr co-stabilization mechanisms in a simulated AlO-FeO-CrO-CuO waste system

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1408-4

Abstract:

• Cu and Cr can be mostly incorporated into CuFexAlyCr2−x−yO4 with a spinel structure.

Keywords： Spinel structure     Copper     Chromium     Co-stabilization     Thermal treatment    

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Factors affecting the formation of zeolite seed layers and the effects of seed layers on the growth ofzeolite silicalite-1 membranes

ZHANG Xiongfu, WANG Jinqu, LIU Hai′ou, WANG Anjie

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 172-177 doi: 10.1007/s11705-007-0032-6

Abstract: With this method of seeded secondary synthesis of zeolite membranes, the quality of a membrane mainly

Keywords： silicalite-1     α-A1O     growth     seeding ethanol     quality    

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Effects of natural zeolite and sulfate ions on the mechanical properties and microstructure of plastic

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 86-98 doi: 10.1007/s11709-021-0793-x

Abstract: Natural zeolite (NZ) is a relatively abundant mineral resource and in this research, the microstructureResults showed that increasing the zeolite content decreases the unconfined strength, elastic modulusHowever, at the later ages, increasing the zeolite content increases unconfined strength as well as the

Keywords： plastic concrete     sulfate resistance     natural zeolite     triaxial compression test     SEM     permeability    

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Synthesis, physicochemical characterizations and catalytic performance of Pd/carbon-zeolite and Pd/carbon-CeO

Zeinab JAMALZADEH, Mohammad HAGHIGHI, Nazli ASGARI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 365-381 doi: 10.1007/s11783-013-0520-5

Abstract: work, xylene removal from waste gas streams was investigated via catalytic oxidation over Pd/carbon-zeoliteNatural zeolite of clinoptilolite was modified by acid treatment with HCl, while nano-ceria was synthesizedMixed supports of carbon-zeolite and carbon-ceria were prepared and palladium was dispersed over themsurface groups of synthesized catalysts are in good agreement with the patterns of materials applied in catalyst

Keywords： Pd/carbon-CeO2     Pd/carbon-zeolite     pine cone     ZnCl2     catalytic oxidation     xylene    

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Photocatalytic degradation of omethoate using NaY zeolite-supported TiO

Dishun ZHAO, Jialei WANG, Zhigang ZHANG, Juan ZHANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 206-210 doi: 10.1007/s11705-009-0053-4

Abstract: The degradation of omethoate was conducted using H O as oxidant, TiO supported on NaY zeolite as photocatalystThe effect of the calcination temperature of the photocatalyst, the amount of TiO loaded on NaY zeoliteThe results show that TiO /NaY zeolite photocatalyst prepared by sol-gel method had good photocatalysisfollows: the calcination temperature of the photocatalyst is 550°C,the amount of TiO loaded on NaY zeolite

Keywords： TiO2     NaY zeolite     photocatalytic degradation     omethoate    

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Catalytic fast pyrolysis of Kraft lignin with HZSM-5 zeolite for producing aromatic hydrocarbons

Xiangyu LI, Lu SU, Yujue WANG, Yanqing YU, Chengwen WANG, Xiaoliang LI, Zhihua WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 295-303 doi: 10.1007/s11783-012-0410-2

Abstract: Catalytic fast pyrolysis (CFP) of Kraft lignins with HZSM-5 zeolite for producing aromatics was investigatedWithout the catalyst, fast pyrolysis of lignin predominantly produced phenols and guaiacols that wereAs the SiO /Al O ratio of HZSM-5 decreased from 200 to 25 and the catalyst-to-lignin ratio increased

Keywords： lignin     catalytic fast pyrolysis     HZSM-5     zeolite     aromatic hydrocarbon    

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Title Author Date Type Operation

CuO/zeolite catalyzed oxidation of gaseous toluene under microwave heating

Longli BO, Jianbo LIAO, Yucai ZHANG, Xiaohui WANG, Quan YANG

Journal Article

Boehmite-supported CuO as a catalyst for catalytic transfer hydrogenation of 5-hydroxymethylfurfural

Journal Article

Methane Nonflame Combustion in Molten Salt Using CuO Catalyst

He Fang,Wang Hua,Dai Yongnian

Journal Article

Conversion of phenol to cyclohexane in the aqueous phase over Ni/zeolite bi-functional catalysts

Jimei Zhang, Fuping Tian, Junwen Chen, Yanchun Shi, Hongbin Cao, Pengge Ning, Shanshan Sun, Yongbing Xie

Journal Article

Characterization and catalytic properties of mesoporous CuO/SBA-16 prepared by different impregnation

DONG Yongli, YUAN Fulong, ZHU Yujun, ZHAO Lina, CAI Zhicheng

Journal Article

Effects of preparation methods on the activity of CuO/CeO

Huanhuan Shang, Xiaoman Zhang, Jing Xu, Yifan Han

Journal Article

Effect of Cu-ZSM-5 catalysts with different CuO particle size on selective catalytic oxidation of N,N-Dimethylformamide

Journal Article

Preparation of solar selective absorbing CuO coating for medium temperature application

HUANG Qunwu, WANG Yiping, LI Jinhua

Journal Article

Thermal and catalytic pyrolysis of a synthetic mixture representative of packaging plastics residue

Simona Colantonio, Lorenzo Cafiero, Doina De Angelis, Nicolò M. Ippolito, Riccardo Tuffi, Stefano Vecchio Ciprioti

Journal Article

Cu/Cr co-stabilization mechanisms in a simulated AlO-FeO-CrO-CuO waste system

Journal Article

Factors affecting the formation of zeolite seed layers and the effects of seed layers on the growth ofzeolite silicalite-1 membranes

ZHANG Xiongfu, WANG Jinqu, LIU Hai′ou, WANG Anjie

Journal Article

Effects of natural zeolite and sulfate ions on the mechanical properties and microstructure of plastic

Journal Article

Synthesis, physicochemical characterizations and catalytic performance of Pd/carbon-zeolite and Pd/carbon-CeO

Zeinab JAMALZADEH, Mohammad HAGHIGHI, Nazli ASGARI

Journal Article

Photocatalytic degradation of omethoate using NaY zeolite-supported TiO

Dishun ZHAO, Jialei WANG, Zhigang ZHANG, Juan ZHANG

Journal Article

Catalytic fast pyrolysis of Kraft lignin with HZSM-5 zeolite for producing aromatic hydrocarbons

Xiangyu LI, Lu SU, Yujue WANG, Yanqing YU, Chengwen WANG, Xiaoliang LI, Zhihua WANG

Journal Article