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Evaluation of H<sub>2sub> on the Evolution Mechanism of NO<sub>xsub> Storage and Reductionover Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub> 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-Al<sub>2sub>O<sub>3sub> catalysts were preparedThe physical and chemical properties of the Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub>sub>xsub>, CeO<sub>2sub>, and BaCO<sub>3sub>, whose peaks were observed in X-ray diffraction(XRD) spectra, dispersed well on the γ-Al2O3, as shown by transmission electron microscope (TEM), and that the difference between Ce3+ and Ce4+, as detected by X-ray photoelectron

Keywords： Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub> catalysts     Physicochemical properties     NO<sub>xsub> storageand reduction     NO<sub>xsub> emission     H<sub>2sub> reductant    

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Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reductionof NO with NH<sub>3sub>

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 (CePO<sub>4sub>, CeVO<sub>4sub>, Ce<sub>2sub>(SO<sub>4sub>)> Ce<sub>2sub>(SO<sub>4sub>)<sub>3sub>, which is in agreement with their abilities of NH<sub>3sub>4sub>3–, VO<sub>4sub>3– and SO<sub>4sub>2– on NH<sub>3sub>-SCR performances of Ce-based catalysts was systematically investigated by the X-ray>2sub> for Ce<sub>2sub>(SO<sub>4sub>)<sub>3sub>.

Keywords： CePO<sub>4sub>     CeVO<sub>4sub>     Ce<sub>2sub>(SO<sub>4sub>)<sub>3sub>     selective catalytic reduction    

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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 NO<sub>xsub> elimination.

Keywords： Precious metal-loaded (Ce     Zr     La)O<sub>2sub> catalysts     Oxygen mobility     Catalytic performance    

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Investigation of fluorescence characterization and electrochemical behavior on the catalysts of nanosizedPt-Rh/γ-Al

Chang-Mao HUNG, Wen-Liang LAI, Jane-Li LIN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 428-434 doi: 10.1007/s11783-013-0517-0

Abstract: nitrogen at temperatures range from 423K to 673K by selective catalytic oxidation (SCO) over a nanosized Pt-RhThe characterization of catalysts were thoroughly measured using transmission electron microscopy (TEMTherefore, the application of nanosized Pt-Rh/γ-Al O catalyst can significantly enhance the catalyticclusters in intrinsic emission from nanosized Pt-Rh/γ-Al O catalyst.Results obtained from the CV may explain the significant catalytic activity of the catalysts.

Keywords： ammonia (NH<sub>3sub>)     nanosized Pt-Rh/γ-Al<sub>2sub>O<sub>3sub> catalyst     excitation-emission fluorescent    

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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 CO<sub>2sub> to CO/CH<sub>3sub>OH products.The Cu–Ce–Zr catalyst with 2 wt% Ce loading shows higher CO selectivity (S<sub>COsub> = 0.0%Hence, the Cu–Ce–Zr catalyst with 8 wt% Ce loading favors CH<sub>3sub>OH selectivity and CO<sub>22sub> hydrogenation to CH<sub>3sub>OH.

Keywords： CO<sub>2sub> hydrogenation     Cu–Ce–Zr     hydroxyls     CO/CH<sub>3sub>OH selectivity    

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Highly selective catalytic hydrodeoxygenation of guaiacol to cyclohexane over Pt/TiO

Zhong HE,Xianqin WANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 369-377 doi: 10.1007/s11705-014-1435-9

Abstract: Catalysts Pt/TiO and NiMo/Al O are highly active and selective for the hydrodeoxygenation of guaiacolNiMo/Al O and Pt/Al O are more active and selective for cyclohexane formation as compared with Pt/TiOHowever, Pt/TiO is stable while the other two catalysts deactivate due to the nature and amount of coke

Keywords： Pt/TiO<sub>2sub>     NiMo/Al<sub>2sub>O<sub>3sub>     Pt/Al<sub>2sub>O<sub>3sub>     bio-oil     hydrodeoxygenation    

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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 CH<sub>3sub>OH oxidation and alleviates

Keywords： Copper modification     Sb-CeZr<sub>2sub>O<sub>xsub> catalyst     NO<sub>xsub>     Methanol    

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The effect of preparation conditions of Pt/Al

Lei YUAN, Xiang ZHENG, Kaijiao DUAN, Hao HU, Jinggang WANG, Seong Ihl WOO, Zhiming LIU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 457-463 doi: 10.1007/s11783-013-0512-5

Abstract: Selective catalytic reduction of NO by H in the presence of oxygen has been investigated over Pt/AlO catalysts pre-treated under different conditions.The higher surface area and the presence of metallic Pt over Pt/Al O pre-treated by H or pretreated

Keywords： NO<sub>xsub> reduction     Pt/Al<sub>2sub>O<sub>3sub>     preparation condition     H<sub>2sub>-SCR    

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CO<sub>2sub> methanation and co-methanation of CO and CO<sub>2sub> over Mn-promoted Ni/Al<sub>2sub>O<sub>3sub> 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 temperatures

Keywords： Mn promotion     nickel catalysts     CO<sub>2sub> methanation     co-methanation of CO and CO<sub>2sub>    

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On the monolayer dispersion behavior of Co<sub>3sub>O<sub>4sub> 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, Co<sub>3sub>O<sub>4sub>/ZSM-5 catalysts with different loadingsthreshold of 0.061 mmol 100 m–2, equaling to a weight percentage around 4.5%.It has been revealed that the quantities of surface active oxygen (O<sub>2sub>–) and acidcapacity, possesses the most abundant active O<sub>2sub>– species and acidic sites, therebycapacity amount of Co<sub>3sub>O<sub>4sub> onto HZSM-5 support.

Keywords： Co<sub>3sub>O<sub>4sub>/ZSM-5     NO<sub>xsub>-SCR by NH<sub>3sub>     monolayer dispersionthreshold effect     surface acid sites     surface active O<sub>2sub>– anions    

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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 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： V<sub>2sub>O<sub>5sub>/CeO<sub>2sub> catalysts     NH<sub>3sub>-SCR (selective catalytic reduction    

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Effects of Pd doping on N

Mingxin Dong, Jun Wang, Jinxin Zhu, Jianqiang Wang, Wulin Wang, Meiqing Shen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0976-9

Abstract: Three types of catalysts, Pt/BaO/Al O , Pt/Pd mechanical mixing catalyst (Pt/BaO/Al O +Pd/Al O ) andPt-Pd co-impregnation catalyst (Pt-Pd/BaO/Al O ) were prepared by incipient wetness impregnation methodThese catalysts were first evaluated in NSR activity tests using H /CO as reductants and then carefullyCompared with Pt/BaO/Al O , (Pt/BaO/Al O +Pd/Al O ) produced less N O and more NH during NO storageH -TPR results indicated Pd-Ba interaction resulted in more difficult-to-reduce PdO species over Pd/

Keywords： NO<sub>xsub> storage reduction     Pt/BaO/Al<sub>2sub>O<sub>3sub>     Pd doping     N<sub>2sub>O formation    

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Decoration of CdMoO micron polyhedron with Pt nanoparticle and their enhanced photocatalytic performance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1949-1961 doi: 10.1007/s11705-023-2360-6

Abstract: This study aimed to prepare and apply a novel Pt/CdMoO<sub>4sub> composite photocatalyst for photocatalyticN<sub>2sub> fixation and tetracycline degradation.The Pt/CdMoO<sub>4sub> composite was subjected to comprehensive investigation on the morphology, structureThe results demonstrate the dispersion of Pt nanoparticles on the CdMoO<sub>4sub> surface.work function value than CdMoO<sub>4sub>, resulting in electron drift from CdMoO<sub>4sub> to Pt

Keywords： photocatalytic N<sub>2sub> fixation     Pt/CdMoO<sub>4sub>     tetracycline degradation     Schottky barrier    

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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： Co<sub>3sub>O<sub>4sub>-SnO<sub>2sub>     complete oxidation     methane (CH<sub>4sub>)    

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Efficient synthesis of titania nanotubes and enhanced photoresponse of Pt decorated TiO

Yuxin YIN, Xin TAN, Feng HOU, Lin ZHAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 298-304 doi: 10.1007/s11705-009-0019-6

Abstract: Furthermore, Pt nanoparticles were successfully deposited on the surface of TiO nanotubes by ac electrodepositionThe TiO /Pt composites were characterized by field emission scanning electron microscope (FESEM), X-rayAn enhancement in photocurrent density has been achieved upon modification of TiO nanotubes with Pt

Keywords： TiO<sub>2sub> nanotube arrays     HMT     TiO<sub>2sub>/Pt     Photocurrent density    

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Title Author Date Type Operation

Evaluation of H<sub>2sub> on the Evolution Mechanism of NO<sub>xsub> Storage and Reductionover Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub> Catalysts

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

Journal Article

Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reductionof NO with NH<sub>3sub>

Journal Article

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

Journal Article

Investigation of fluorescence characterization and electrochemical behavior on the catalysts of nanosizedPt-Rh/γ-Al

Chang-Mao HUNG, Wen-Liang LAI, Jane-Li LIN

Journal Article

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

Journal Article

Highly selective catalytic hydrodeoxygenation of guaiacol to cyclohexane over Pt/TiO

Zhong HE,Xianqin WANG

Journal Article

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

Journal Article

The effect of preparation conditions of Pt/Al

Lei YUAN, Xiang ZHENG, Kaijiao DUAN, Hao HU, Jinggang WANG, Seong Ihl WOO, Zhiming LIU

Journal Article

CO<sub>2sub> methanation and co-methanation of CO and CO<sub>2sub> over Mn-promoted Ni/Al<sub>2sub>O<sub>3sub> catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

On the monolayer dispersion behavior of Co<sub>3sub>O<sub>4sub> on HZSM-5 support: designing applicablecatalysts for selective catalytic reduction of nitrogen oxides by ammonia

Journal Article

Characterization and performance of V

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

Journal Article

Effects of Pd doping on N

Mingxin Dong, Jun Wang, Jinxin Zhu, Jianqiang Wang, Wulin Wang, Meiqing Shen

Journal Article

Decoration of CdMoO micron polyhedron with Pt nanoparticle and their enhanced photocatalytic performance

Journal Article

Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Journal Article

Efficient synthesis of titania nanotubes and enhanced photoresponse of Pt decorated TiO

Yuxin YIN, Xin TAN, Feng HOU, Lin ZHAO

Journal Article