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Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8, Pages 1211-1223 doi: 10.1007/s11705-022-2145-3

Abstract: In this study, a Co3sub>O4sub>–CeO2sub> composite oxide catalyst was successfully and Ce⁴⁺/Ce³⁺ redox pairs, than bulk CeO2sub> and/or Co3sub>O4sub>.>3sub>O4sub>–CeO2sub>.of different transition metals, this study provides a feasible strategy to design high-performance catalysts

Keywords： Co3sub>O4sub>–CeO2sub> composite oxides cyclohexanone cyclohexanol ultrasonic-assisted

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Characterization and performance of V

Caiting LI, Qun LI, Pei LU, Huafei CUI, Guangming ZENG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2, Pages 156-161 doi: 10.1007/s11783-010-0295-x

Abstract: A series of CeO supported V O catalysts with various loadings were prepared with different calcinationThe catalysts were evaluated for low temperature selective catalytic reduction (SCR) of NO with ammoniaThe effects of O and SO on catalytic activity were also studied.The catalysts were characterized by specific surface areas (S ) and X–ray diffraction (XRD) methods.The formation of CeVO on the surface of catalysts caused the decrease of redox ability.

Keywords： V2sub>O5sub>/CeO2sub> catalysts NH3sub>-SCR (selective catalytic reduction

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On the monolayer dispersion behavior of Co3sub>O4sub> on HZSM-5 support: designing applicablecatalysts for selective catalytic reduction of nitrogen oxides by ammonia

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11, Pages 1741-1754 doi: 10.1007/s11705-023-2332-x

Abstract: Based on monolayer dispersion theory, Co3sub>O4sub>/ZSM-5 catalysts with different loadingsCo3sub>O4sub> can spontaneously disperse on HZSM-5 support with a monolayer dispersionIt has been revealed that the quantities of surface active oxygen (O2sub>^–) and acidcapacity, possesses the most abundant active O2sub>^– species and acidic sites, therebycapacity amount of Co3sub>O4sub> onto HZSM-5 support.

Keywords： Co3sub>O4sub>/ZSM-5 NOxsub>-SCR by NH3sub> monolayer dispersionthreshold effect surface acid sites surface active O2sub>^– anions

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Al2sub>O3sub> and CeO2sub>-promoted MgO sorbents for CO2sub> capture at moderate

Huimei Yu, Xiaoxing Wang, Zhu Shu, Mamoru Fujii, Chunshan Song

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1, Pages 83-93 doi: 10.1007/s11705-017-1691-6

Abstract: A series of Al O and CeO modified MgO sorbents was prepared and studied for CO sorption at moderateThe CO sorption capacity of MgO was enhanced with the addition of either Al O or CeO .CO capacity than Al O promoter.Both the Al O -MgO and CeO -MgO sorbents exhibited better cyclic stability than MgO over the course ofCompared to Al O , CeO is more effective for promoting the CO capacity of MgO.

Keywords： CO2sub> capture MgO sorbents Al2sub>O3sub> CeO2sub> flue gas

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Effective regeneration of thermally deactivated commercial V-W-Ti catalysts

Xuesong SHANG, Jianrong LI, Xiaowei YU, Jinsheng CHEN, Chi HE

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1, Pages 38-46 doi: 10.1007/s11705-011-1167-z

Abstract: An effective method for the regeneration of thermally deactivated commercial monolith SCR catalysts waseffects of temperature and the regeneration process on the structural and textural properties of the catalystsThe aggregated V O were partially re-dispersed during the regeneration process, and the intrinsic oxidationof ammonia with high concentrations of O is a factor that suppresses the catalytic activity.

Keywords： V2sub>O5sub>-WO3sub>/TiO2sub> catalysts thermal deactivation regeneration NH4sub>Cl dilute H2sub>SO4sub> solution

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CO2sub> methanation and co-methanation of CO and CO2sub> over Mn-promoted Ni/Al2sub>O3sub> catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2, Pages 273-280 doi: 10.1007/s11705-016-1563-5

Abstract: A series of Mn-promoted 15 wt-% Ni/Al O catalysts were prepared by an incipient wetness impregnationThe effect of the Mn content on the activity of the Ni/Al O catalysts for CO methanation and the co-methanationThe catalysts were characterized by N physisorption, hydrogen temperature-programmed reduction and desorptionThe Mn-promoted 15 wt-% Ni/Al O catalysts had improved CO methanation activity especially at low temperaturesThe co-methanation tests on the 1.71Mn-Ni/Al O catalyst indicated that adding Mn markedly enhanced the

Keywords： Mn promotion nickel catalysts CO2sub> methanation co-methanation of CO and CO2sub>

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Evaluation of H2sub> on the Evolution Mechanism of NOxsub> Storage and Reductionover Pt–Ba–Ce/γ-Al2sub>O3sub> Catalysts Article

Pan Wang, Jing Yi, Chuan Sun, Peng Luo, Lili Lei

Engineering 2019, Volume 5, Issue 3, Pages 568-575 doi: 10.1016/j.eng.2019.02.005

Abstract:

In this investigation, Pt–Ba–Ce/γ-Al2sub>O3sub> catalysts were preparedThe physical and chemical properties of the Pt–Ba–Ce/γ-Al2sub>O3sub>catalysts were studied using a combination of characterization techniques, which showed that PtOxsub>, CeO2sub>, and BaCO3sub>, whose peaks were observed in X-ray diffraction(XRD) spectra, dispersed well on the γ-Al2O3, as shown by transmission electron microscope (TEM

Keywords： Pt–Ba–Ce/γ-Al2sub>O3sub> catalysts Physicochemical properties NOxsub> storageand reduction NOxsub> emission H2sub> reductant

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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 NOxsub> elimination.

Keywords： Precious metal-loaded (Ce Zr La)O2sub> catalysts Oxygen mobility Catalytic performance

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Size and shape effects of MnFeO nanoparticles as catalysts for reductive degradation of dye pollutants

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, Pages 108-171 doi: 10.1007/s11783-021-1396-4

Abstract: Herein, we successfully synthesized three kinds of MnFe2sub>O4sub> NPs with distinctivesizes and shapes as catalysts for reductive degradation of methylene blue, rhodamine 6G, rhodamine B>O4sub> NPs and highly related to the surface-to-volume ratio and atom arrangements.Furthermore, the MnFe2sub>O4sub> NPs could be readily recovered by a magnet and reusedThe size and shape effects of MnFe2sub>O4sub> nanoparticles demonstrated in this work not

Keywords： Dye degradation MnFe2sub>O4sub> nanoparticles Size and shape-control

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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 CH3sub>OH oxidation and alleviates

Keywords： Copper modification Sb-CeZr2sub>Oxsub> catalyst NOxsub> Methanol

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Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3, Pages 348-361 doi: 10.1007/s11783-011-0343-1

Abstract: In the nighttime hours, both the gas phase N O reactions with water vapor and the N O heterogeneousThe N O reactions are most import near the surface to a few hundred meters above surface with a maximumsecondary nitrate increase rate of 1 μg·m ·d and are more significant in the rural areas where the O

Keywords： secondary nitrate aerosol N2sub>O5sub> heterogeneous reaction process analysis

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Chemical deactivation of V

Xiaodong WU, Wenchao YU, Zhichun SI, Duan WENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3, Pages 420-427 doi: 10.1007/s11783-013-0489-0

Abstract: V O -WO /TiO catalyst was poisoned by impregnation with NH Cl, KOH and KCl solution, respectively.The catalysts were characterized by X-ray diffraction (XRD), inductively coupled plasma (ICP), N physisorptionchloride enlarges the pore size of the titania support, and promotes the formation of highly dispersed V=Onsted acidity of catalysts and decrease the stability of Br?nsted acid sites significantly.

Keywords： V2sub>O5sub>-WO3sub>/TiO2sub> potassium chloride poisoning reducibility acid

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Rh2sub>O3sub>/hexagonal CePO4sub> nanocatalysts for N2sub>O decomposition

Huan Liu, Zhen Ma

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4, Pages 586-593 doi: 10.1007/s11705-017-1659-6

Abstract: Rh(NO ) was then used as a precursor for the impregnation of Rh O onto these CePO materials.The Rh O supported on the CePO nanowires was much more active for the catalytic decomposition of NO than the Rh O supported on CePO nanorods.The stability of both catalysts as a function of time on stream was studied and the influence of theco-feed (CO , O , H O or O /H O) on the N O decomposition was also investigated.

Keywords： Rh2sub>O3sub> CePO4sub> N2sub>O decomposition

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Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3, Pages 265-270 doi: 10.1007/s11783-009-0019-2

Abstract: Experimental results showed that the catalysts were considerably stable in the CH combustion reaction

Keywords： Co3sub>O4sub>-SnO2sub> complete oxidation methane (CH4sub>)

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Interface engineering for enhancing electrocatalytic oxygen evolution reaction of CoS/CeO heterostructures

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3, Pages 376-383 doi: 10.1007/s11705-021-2062-x

Abstract: In this communication, a novel bijunction CoS/CeO2sub> electrocatalyst grown on carbon cloth isThe interface engineering of CoS and CeO2sub> facilitates a rapid charge transfer from CeO2sub> to CoS./sup> and low Tafel slope of 76.2 mV∙dec^–1, and is superior to that of CoS (372 mV) and CeO2sub> (530 mV) counterparts.

Keywords： interface engineering CoS/CeO2sub> electrodeposition electrocatalyst oxygen evolution reaction

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Title Author Date Type Operation

Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Journal Article

Characterization and performance of V

Caiting LI, Qun LI, Pei LU, Huafei CUI, Guangming ZENG

Journal Article

On the monolayer dispersion behavior of Co3sub>O4sub> on HZSM-5 support: designing applicablecatalysts for selective catalytic reduction of nitrogen oxides by ammonia

Journal Article

Al2sub>O3sub> and CeO2sub>-promoted MgO sorbents for CO2sub> capture at moderate

Huimei Yu, Xiaoxing Wang, Zhu Shu, Mamoru Fujii, Chunshan Song

Journal Article

Effective regeneration of thermally deactivated commercial V-W-Ti catalysts

Xuesong SHANG, Jianrong LI, Xiaowei YU, Jinsheng CHEN, Chi HE

Journal Article

CO2sub> methanation and co-methanation of CO and CO2sub> over Mn-promoted Ni/Al2sub>O3sub> catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

Evaluation of H2sub> on the Evolution Mechanism of NOxsub> Storage and Reductionover Pt–Ba–Ce/γ-Al2sub>O3sub> Catalysts

Pan Wang, Jing Yi, Chuan Sun, Peng Luo, Lili Lei

Journal Article

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

Journal Article

Size and shape effects of MnFeO nanoparticles as catalysts for reductive degradation of dye pollutants

Journal Article

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

Journal Article

Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Journal Article

Chemical deactivation of V

Xiaodong WU, Wenchao YU, Zhichun SI, Duan WENG

Journal Article

Rh2sub>O3sub>/hexagonal CePO4sub> nanocatalysts for N2sub>O decomposition

Huan Liu, Zhen Ma

Journal Article

Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Journal Article

Interface engineering for enhancing electrocatalytic oxygen evolution reaction of CoS/CeO heterostructures

Journal Article

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