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Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance

Lijing MENG, Licheng LIU, Xuehong ZI, Hongxing DAI, Hong HE, Zhen ZHAO, Xinping WANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 164-171 doi: 10.1007/s11783-010-0019-2

Abstract: A series of ceria-zirconia solid solutions with different Ce/Zr molar ratios were prepared by the UAMRThe UAMR method proved to be superior, especially when the Ce/Zr molar ratio was lower than 1, in fabricating

Keywords： membrane reaction     ceria-zirconia     Ce/Zr molar ratio     solid solution     hydrogen temperature-programmed reduction    

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An investigation of the CHOH and CO selectivity of CO hydrogenation over Cu–Ce–Zr catalysts

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 950-962 doi: 10.1007/s11705-022-2162-2

Abstract: A series of Cu–Ce–Zr catalysts with different Ce contents are applied to the hydrogenation of COThe Cu–Ce–Zr catalyst with 2 wt% Ce loading shows higher CO selectivity (SCO = 0.0%–87.8%) from 200–300 °C, while the Cu–Ce–Zr catalyst with 8 wt% Ce loading presents higher CO2Ce–Zr catalyst with 8 wt% Ce loading favors CH3OH selectivity and CO2 activation, while CO is preferred on the Cu–Ce–Zr catalyst with 2 wt% Ce loading, a smaller number

Keywords： CO2 hydrogenation     Cu–Ce–Zr     hydroxyls     CO/CH3OH selectivity    

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PM-support interfacial effect and oxygen mobility in Pt, Pd or Rh-loaded (Ce,Zr,La)O catalysts

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1369-z

Abstract:

• Pt/CZL exhibits the optimum catalytic performance for HC and NOx elimination.

Keywords： Precious metal-loaded (Ce     Zr     La)O2 catalysts     Oxygen mobility     Catalytic performance    

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Tailoring the simultaneous abatement of methanol and NO on Sb-Ce-Zr catalysts via copper modification

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11684-022-1565-0

Abstract:

● Cu addition enhances CH3OH oxidation and alleviates its inhibitory effect on SCR.

Keywords： Copper modification     Sb-CeZr2Ox catalyst     NOx     Methanol     Simultaneous removal    

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The influence of the NCO/OH ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the

Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 80-89 doi: 10.1007/s11705-018-1763-2

Abstract: poly(polyether) with different NCO/OH ratios and 1,6-hexanediol (HDO)/dimethylol propionic acid (DMPA) molarindicate that the degree of hydrogen bonding and the numbers of urea groups increase as the NCO/OH ratioand HDO/DMPA molar ratio increase.Furthermore, the phase separation increases and the thermal stability decreases as the NCO/OH ratio increasesor the HDO/DMPA molar ratio decreases.

Keywords： 1     5-pentamethylene diisocyanate     polyurethane     water based    

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Promotion of transition metal oxides on the NH

Weiman Li, Haidi Liu, Yunfa Chen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0914-x

Abstract: Manganese and chromium oxides promote the NH -SCR activity of Zr-Ce mixed oxide.Cr-Zr-Ce mixed oxide exhibited>80% NO conversion at a wide temperature window.Cr-Zr-Ce and Mn-Zr-Ce catalysts are much more active than ZrO -CeO binary oxide for the low temperatureMn-Zr-Ce catalyst exhibited high tolerance to SO and H O.Cr-Zr-Ce mixed oxide exhibited>80% NO conversion at a wide temperature window of 100°C–300°C.

Keywords： NH3-selective catalytic reduction     NOx     Low temperature     Cr-Zr-Ce    

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Cooperative effect between copper species and oxygen vacancy in CeZrCuO catalysts for carbon monoxide oxidation

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1524-1536 doi: 10.1007/s11705-021-2106-2

Abstract: The effects of Zr doping on the existence of Cu and the catalytic performance of Ce0.7−xZrxCu0.3O2 for CO oxidation were investigated.The characterization results showed that all samples have a cubic structure, and a small amount of Zrdoping facilitates Cu2+ ions entering the CeO2 lattice, but excessive Zr dopingnumber of oxygen vacancies caused by the Cu2+ entering the lattice (e.g., Cu2+–□–Ce

Keywords： Ce–Zr–Cu–O     CO oxidation     reducible copper species     oxygen vacancy     cooperative effect    

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Promoting effect of Zr on the catalytic combustion of methane over Pd/γ-Al

Hongbo NA,Tianle ZHU,Zhiming LIU,Yifei SUN

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 659-665 doi: 10.1007/s11783-013-0613-1

Abstract: The effect of Zr on the catalytic performance of Pd/γ-Al O for the methane combustion was investigatedThe results show that the addition of Zr can improve the activity and stability of Pd/γ-Al O catalystadsorption, XRD, CO-Chemisorption, XPS, CH -TPR and O -TPO), is ascribed to the interaction between Pd and ZrZr addition inhibits Pd aggregation and enhances the redox properties of active phase Pd / Pd .

Keywords： Pd-Zr/Al2O3     methane     catalytic combustion     catalyst regeneration    

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Modeling of Ce(IV) transport through a dispersion flat combined liquid membrane with carrier P507

Liang PEI,Liming WANG,Zhanying MA

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 503-509 doi: 10.1007/s11783-013-0540-1

Abstract: A mathematical model for the transport of Ce(IV) from hydrochloric acid solutions through dispersionIn this work, the system is considered to be in a transient state, and chemical reaction between Ce(IVThe experimental and simulated Ce(IV) extractions showed similar tendencies for a high Ce(IV) concentrationand acidity case.The model results indicate that high initial Ce(IV) concentrations and acidity bothhave detrimental effects on Ce(IV) extraction and stripping.

Keywords： membrane (DFCLM)     dispersion phase     feed phase     2-ethyl hexyl phosphonic acid-mono-2-ethyl hexyl ester     Ce    

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Research progress of defect-engineered UiO-66(Zr) MOFs for photocatalytic hydrogen production

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 656-666 doi: 10.1007/s11708-021-0765-9

Abstract: In recent years, defect-engineered Zr-based UiO-66 metal-organic frameworks (UiO-66(Zr) metal-organicsynthesis methods, characterization technologies, and application fields of defect-engineered UiO-66(Zr) MOFs materials in order to provide new insights to synthesize high-performance UiO-66(Zr) MOFs materialsand promote the development of UiO-66(Zr) in various fields.

Keywords： defect engineering     metal-organic frameworks     UiO-66     photocatalysis    

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Special issue on the Asian Congress on Biotechnology 2011

Bang-Ce YE

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 2,   Pages 125-125 doi: 10.1007/s11705-012-1291-4

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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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Reductive amination of -hexanol to -hexylamine over Ni–Ce/-AlO catalysts

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 82-92 doi: 10.1007/s11705-022-2181-z

Abstract: The overall synergy of Ni nanoparticles and acid sites of this Ni–Ce/γ-Al2O3

Keywords： amination     alcohol     cerium     nickel     acidity     interaction    

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Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reduction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1399-1411 doi: 10.1007/s11705-023-2345-5

Abstract: Three kinds of Ce-based catalysts (CePO4, CeVO4, Ce2(SO4)catalytic efficiencies of the three catalysts are as follow: CePO4 > CeVO4 > Ce, VO43– and SO42– on NH3-SCR performances of Ce-basedThe key factors that can enhance the SCR are the existence of Ce4+, large NH3 adsorption, and the upward trend about 8% was detected due to the sulfation enhancement by SO2 for Ce

Keywords： CePO4     CeVO4     Ce2(SO4)3     selective catalytic reduction    

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Oxidation-extraction desulfurization of model oil over Zr-ZSM-5/SBA-15 and kinetic study

Chuanzhu LU,Hui FU,Huipeng LI,Hua ZHAO,Tianfeng CAI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 203-211 doi: 10.1007/s11705-014-1420-3

Abstract: oxidant, tetrabutyl ammonium bromide as phase transfer catalyst, dimethyl sulfoxide as extractant, and Zr-ZSM-5/SBA-15, Ag-ZSM-5/SBA-15, Ce-ZSM-5/SBA-15 as catalyst.Under the optimal conditions, the desulfurization rate decreases in the order: Zr-ZSM-5/SBA-15>Ce-ZSMThe highest desulfurization rate is 84.53% under the catalysis of Zr-ZSM-5/SBA-15.

Keywords： composite molecular sieve     oxidation desulfuration     extraction     kinetic    

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Title Author Date Type Operation

Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance

Lijing MENG, Licheng LIU, Xuehong ZI, Hongxing DAI, Hong HE, Zhen ZHAO, Xinping WANG,

Journal Article

An investigation of the CHOH and CO selectivity of CO hydrogenation over Cu–Ce–Zr catalysts

Journal Article

PM-support interfacial effect and oxygen mobility in Pt, Pd or Rh-loaded (Ce,Zr,La)O catalysts

Journal Article

Tailoring the simultaneous abatement of methanol and NO on Sb-Ce-Zr catalysts via copper modification

Journal Article

The influence of the NCO/OH ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the

Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang

Journal Article

Promotion of transition metal oxides on the NH

Weiman Li, Haidi Liu, Yunfa Chen

Journal Article

Cooperative effect between copper species and oxygen vacancy in CeZrCuO catalysts for carbon monoxide oxidation

Journal Article

Promoting effect of Zr on the catalytic combustion of methane over Pd/γ-Al

Hongbo NA,Tianle ZHU,Zhiming LIU,Yifei SUN

Journal Article

Modeling of Ce(IV) transport through a dispersion flat combined liquid membrane with carrier P507

Liang PEI,Liming WANG,Zhanying MA

Journal Article

Research progress of defect-engineered UiO-66(Zr) MOFs for photocatalytic hydrogen production

Journal Article

Special issue on the Asian Congress on Biotechnology 2011

Bang-Ce YE

Journal Article

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

Longli Bo, Shaoyuan Sun

Journal Article

Reductive amination of -hexanol to -hexylamine over Ni–Ce/-AlO catalysts

Journal Article

Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reduction

Journal Article

Oxidation-extraction desulfurization of model oil over Zr-ZSM-5/SBA-15 and kinetic study

Chuanzhu LU,Hui FU,Huipeng LI,Hua ZHAO,Tianfeng CAI

Journal Article