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Reconstruction of Cu–ZnO catalyst by organic acid and deactivation mechanism in liquid-phase hydrogenationof dimethyl succinate to 1,4-butanediol

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1311-1319 doi: 10.1007/s11705-022-2281-9

Abstract: for the liquid-phase hydrogenation of dimethyl succinate to 1,4-butanediol.According to the characterization results of the fresh Cu–ZnO and reconstructed Cu–ZnO, three differentspecies, ZnO that weakly interacted with Cu species and isolated ZnO.The reconstruction of the Cu–ZnO catalyst by the organic acid treatment method resulted in a new Cu–ZnOcatalyst with more Cu+ and less ZnO species that leads to deactivation.

Keywords： liquid phase     hydrogenation     Cu–ZnO     deactivation mechanism     1     4-butanediol     diester    

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Deciphering the Origins of P1-Induced Power Losses in Cu(Inx,Ga1–x Article

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

Engineering 2020, Volume 6, Issue 12,   Pages 1395-1402 doi: 10.1016/j.eng.2019.12.019

Abstract: hyperspectral high-resolution photoluminescence mapping is a powerful tool for the selection and optimiz1ationof the laser ablation processes used for the patterning interconnections of subcells on Cu(Inx,Ga1-x)Se2 (CIGS) modules.We further rationalize the origins of this effect by comparing the topography of the P1 edge throughWe also investigate the laser-induced damage on P1 patterning lines performed after the deposition of

Keywords： Cu(Inx     Ga1-x)Se2     Cell-to-module efficiency gap     P1-induced power losses     Hyperspectral photoluminescence    

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Preparation of Cu/ZrO

Xinmei LIU, Shaofen BAI, Huidong ZHUANG, Zifeng YAN

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 47-52 doi: 10.1007/s11705-011-1170-4

Abstract: Cu/ZrO catalysts for methanol synthesis from CO /H were respectively prepared by deposition coprecipitation

Keywords： Cu/ZrO2     methanol synthesis     deposition coprecipitation     solid state reaction     CO2/    

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Microwave-assisted catalytic oxidation of gaseous toluene with a Cu-Mn-Ce/cordierite honeycomb catalyst

Longli Bo, Shaoyuan Sun

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 385-392 doi: 10.1007/s11705-018-1738-3

Abstract: A novel Cu-Mn-Ce/cordierite honeycomb catalyst was prepared by an incipient wetness method and the catalystThe active ingredients were present as various spinel species of Cu, Mn and Ce oxides with differentAfter four consecutive cycles (a total of 1980 min), the Cu-Mn-Ce/cordierite catalyst still exhibited

Keywords： microwave     catalytic oxidation     toluene     Cu-Mn-Ce/cordierite     mineralization    

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Removal of Cu(II) and Fe(III) from aqueous solutions by dead sulfate reducing bacteria

Hong’en QUAN, He BAI, Yang HAN, Yong KANG, Jiao SUN

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 177-184 doi: 10.1007/s11705-013-1324-7

Abstract: The biosorption properties of dead sulfate reducing bacteria (SRB) for the removal of Cu(II) and Fe(IIIeffects of the biosorbent concentration, the initial pH value and the temperature on the biosorption of CuFor both Cu(II) and Fe(III), an increase in the SRB biosorbent concentration resulted in an increaseg at pH 4.5 for Cu(II) and 88.29 mg?g at pH 3.5 for Fe(III).For both the single metal and binary metal systems, the biosorption of Cu(II) and Fe(III) onto a SRB

Keywords： sulfate reducing bacteria     biosorption     Cu(II)     Fe(III)    

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Investigation of Cu leaching from municipal solid waste incinerator bottom ash with a comprehensive approach

Jun YAO, Wenbing LI, Fangfang XIA, Jing WANG, Chengran FANG, Dongsheng SHEN

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 340-348 doi: 10.1007/s11708-010-0131-9

Abstract: This study used a comprehensive approach to characterize the leaching behavior of copper (Cu) from theThe batch titration procedure was used to determine the acid neutralizing capacity and Cu leaching asThe sequential extraction procedure (SEP) was adopted to analyze the speciation of Cu in the MSWI bottomThe Cu leaching pattern was not only affected by dissolved organic carbon, it was also limited by itsconditions, but mostly existed as Cu in an acidic condition.

Keywords： MSWI bottom ash     Cu leaching     batch titration procedure     SEP    

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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     µ-XRF analysis    

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Eddy current measurement of the thickness of top Cu film of the multilayer interconnects in the integrated

Zilian QU,Yonggang MENG,Qian ZHAO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 1-6 doi: 10.1007/s11465-015-0325-2

Abstract:

This paper proposes a new eddy current method, named equivalent unit method (EUM), for the thickness measurement of the top copper film of multilayer interconnects in the chemical mechanical polishing (CMP) process, which is an important step in the integrated circuit (IC) manufacturing. The influence of the underneath circuit layers on the eddy current is modeled and treated as an equivalent film thickness. By subtracting this equivalent film component, the accuracy of the thickness measurement of the top copper layer with an eddy current sensor is improved and the absolute error is 3 nm for sampler measurement.

Keywords： CMP     eddy current     multilayer wafer     Cu interconnects     equivalent unit    

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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

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

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A Cu-modified active carbon fiber significantly promoted HS and PH simultaneous removal at a low reaction

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1425-3

Abstract:

• Cu0.15-ACF performs the best for H2S and PH<

Keywords： ACF     H2S     PH3     Cu     Low temperature     Simultaneous removal    

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On the direct use of recovered scrap Cu and saving Cu with Al in the Chinese cable industry

Huang Chongqi

Strategic Study of CAE 2008, Volume 10, Issue 5,   Pages 10-18

Abstract: tons in 2006, taking over 70 % of the total Cu consumption in China in that year.At present, making Cu rod directly from recovered scrap Cu and saving Cu with Al have become topics ofMore and more Cu wires are drawn from the rods made directly from scrap Cu.Now the consumption of Cu-clad-aluminum and Cu-clad-steel is growing gradually.from recovered scrap Cu and saving Cu with Al, in a view to promote these two topics of general interests

Keywords： scrap Cu     recovery     aluminium     the cable industry    

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Preparation of Cu/ZnO/Al

Hui FAN, Huayan ZHENG, Zhong LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 445-451 doi: 10.1007/s11705-010-0521-x

Abstract: Cu/ZnO/Al O catalysts with Cu/Zn/Al ratios of 6/3/1 were precipitated and aged by conventional and microwavemicrowave irradiation on the catalytic performance was investigated to optimize the preparing condition of Cuhas a great benefit to both the activity and stability of the catalyst, the catalyst aged at 80°C for 1

Keywords： microwave irradiation     precipitation temperature     aging temperature     methanol synthesis     Cu/ZnO/Al2<    

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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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Study on the hydrorefining of heavy oil from biomass alcoholysis in the presence of V-W-Mo-Cu catalyst

Zou Xianwu,Qin Tefu,Li Gaiyun and Huang Luohua

Strategic Study of CAE 2014, Volume 16, Issue 4,   Pages 69-73

Abstract: Therefore，the hydrorefining of heavy oil was studied in the presence of V-W-Mo-Cu catalyst in this paper.Thecould be cracked into micromolecule arene and phenolic compounds after hydrogenation，including 2-ethyl-1-methyl-benzene，butylbenzene，3-ethenyl-1-ethyl-benzene and phenol.

Keywords： biomass     alcoholysis     heavy oil     hydrogenation     V-W-Mo-Cu catalyst     image processing    

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Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Frontiers of Chemical Science and Engineering   Pages 1623-1631 doi: 10.1007/s11705-022-2202-y

Abstract: The Cu and Zn precursors were introduced to the confined space in the AS and were converted to CuO andThe results show that up to 5 mmol·g–1 of CuO and ZnO can be well dispersed; however, severe

Keywords： bimetallic adsorbents     confined space     mesoporous silica     propene/propane separation    

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Title Author Date Type Operation

Reconstruction of Cu–ZnO catalyst by organic acid and deactivation mechanism in liquid-phase hydrogenationof dimethyl succinate to 1,4-butanediol

Journal Article

Deciphering the Origins of P1-Induced Power Losses in Cu(Inx,Ga1–x

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

Journal Article

Preparation of Cu/ZrO

Xinmei LIU, Shaofen BAI, Huidong ZHUANG, Zifeng YAN

Journal Article

Microwave-assisted catalytic oxidation of gaseous toluene with a Cu-Mn-Ce/cordierite honeycomb catalyst

Longli Bo, Shaoyuan Sun

Journal Article

Removal of Cu(II) and Fe(III) from aqueous solutions by dead sulfate reducing bacteria

Hong’en QUAN, He BAI, Yang HAN, Yong KANG, Jiao SUN

Journal Article

Investigation of Cu leaching from municipal solid waste incinerator bottom ash with a comprehensive approach

Jun YAO, Wenbing LI, Fangfang XIA, Jing WANG, Chengran FANG, Dongsheng SHEN

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

Eddy current measurement of the thickness of top Cu film of the multilayer interconnects in the integrated

Zilian QU,Yonggang MENG,Qian ZHAO

Journal Article

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

Journal Article

A Cu-modified active carbon fiber significantly promoted HS and PH simultaneous removal at a low reaction

Journal Article

On the direct use of recovered scrap Cu and saving Cu with Al in the Chinese cable industry

Huang Chongqi

Journal Article

Preparation of Cu/ZnO/Al

Hui FAN, Huayan ZHENG, Zhong LI

Journal Article

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

Journal Article

Study on the hydrorefining of heavy oil from biomass alcoholysis in the presence of V-W-Mo-Cu catalyst

Zou Xianwu,Qin Tefu,Li Gaiyun and Huang Luohua

Journal Article

Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Journal Article