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Evaluation of H₂ on the Evolution Mechanism of NO_x Storage and Reductionover Pt–Ba–Ce/γ-Al₂O₃ 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-Al₂O₃ catalysts were preparedThe physical and chemical properties of the Pt–Ba–Ce/γ-Al₂O₃sub>x, CeO₂, and BaCO₃, 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-Al₂O₃ catalysts Physicochemical properties NO_x storageand reduction NO_x emission H₂ reductant

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Effects of MgO promoter on properties of Ni/Al2O3 catalysts for partial oxidation of methane to syngas

QIU Yejun, CHEN Jixiang, ZHANG Jiyan

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2, Pages 167-171 doi: 10.1007/s11705-007-0031-7

Abstract: The effects of MgO promoter on the physico-chemical properties and catalytic performance of Ni/AlO catalystsIt was found that the MgO promoter benefited from the uniformity of nickel species in the catalysts,Moreover, for the catalysts with a proper amount of MgO promoter, the nickel dispersiveness was enhancedthe reversed water gas shift reaction, which led to an increase in CO selectivity and a decrease in H2

Keywords： excessive selectivity decrease dispersiveness physico-chemical

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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

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

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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/TiO₂ NiMo/Al₂O₃ Pt/Al₂O₃ bio-oil hydrodeoxygenation

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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: /γ-Al O catalyst prepared by the incipient wetness impregnation method of hexachloroplatinic acid (HPtCl ) and rhodium (III) nitrate (Rh(NO ) ) with γ-Al O in a tubular fixed-bed flow quartz reactor/γ-Al O catalyst.Therefore, 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.

Keywords： ammonia (NH₃) nanosized Pt-Rh/γ-Al₂O₃ catalyst excitation-emission fluorescent

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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.significant influence on the catalytic performance, and the catalyst pre-treated by H or H then followed by OThe higher surface area and the presence of metallic Pt over Pt/Al O pre-treated by H or pretreatedby H then followed by O can contribute to the formation of NO , which then promotes the reaction to

Keywords： NO_x reduction Pt/Al₂O₃ preparation condition H₂-SCR

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CO₂ methanation and co-methanation of CO and CO₂ over Mn-promoted Ni/Al₂O₃ 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 Mn-promoted 15 wt-% Ni/Al O catalysts had improved CO methanation activity especially at low temperaturesO catalyst.The co-methanation tests on the 1.71Mn-Ni/Al O catalyst indicated that adding Mn markedly enhanced the

Keywords： Mn promotion nickel catalysts CO₂ methanation co-methanation of CO and CO₂

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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 methodCompared with Pt/BaO/Al O , (Pt/BaO/Al O +Pd/Al O ) produced less N O and more NH during NO storageand reduction process, while an opposite trend was found over (Pt-Pd/BaO/Al O +Al O ).Most of N O formed over (Pt-Pd/BaO/Al O +Al O ) was originated from Pd/BaO/Al O component.

Keywords： NO_x storage reduction Pt/BaO/Al₂O₃ Pd doping N₂O formation

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The stabilization effect of Al₂O₃ on unconventional Pb/SiO₂ catalyst

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10, Pages 1423-1429 doi: 10.1007/s11705-023-2315-y

Abstract: To enhance the stability, the traditional carrier Al₂O₃ with a small amount, wasintroduced into Pb/SiO₂ catalyst in this study.It has been proved that Al₂O₃ can inhibit the reduction of PbO, and weaken theAs a result, 3Al15Pb/SiO₂ catalyst exhibits a much higher stability up to more than 150 h.₂O₃ addition was also proposed.

Keywords： Pb/SiO₂ Al₂O₃ propane dehydrogenation propene stability

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Thermodynamic Analysis and Reaction Model of Combustion Synthesis in Al-Cr₂O₃ Systemwith Al₂O₃ and Cr₂O₃ Diluents

Zhang Yancheng,Pan Ye,Zhang Chuan

Strategic Study of CAE 2004, Volume 6, Issue 6, Pages 63-67

Abstract:

The thermodynamic calculation and analysis of combustion synthesis reaction of Al - Cr2O3 system with AI2O3and Cr2O3 diluents were conducted, and the effects of reactionstarting temperature TO, diluents AI2O3 and Cr2O3 on the adiabatic combustion temperature

Keywords： cermet combustion synthesis Al - Cr₂O₃ system thermodynamics reaction model

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Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reductionof NO with NH₃

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)> Ce₂(SO₄)₃, which is in agreement with their abilities of NH₃₄^3–, VO₄^3– and SO₄^2– on NH₃-SCR performances of Ce-based catalysts was systematically investigated by the X-ray>2 for Ce₂(SO₄)₃.

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

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Spray Preparation, Microstructure and Properties of Al₂O₃-M_xO Hard -

Wang Biao,Wang Yudong,Li Huiling,Zhang Zihua

Strategic Study of CAE 2002, Volume 4, Issue 9, Pages 75-80

Abstract: >On carbon steel substrate, base coating of nickel-coated aluminium and intermediate coating of 50% Al₂O₃ + 50% Ni were prepared by means of oxyacetylene spray, and final coating ofAl₂O₃ ～ M_xO_y was prepared by means of plasma spray.consisting of 60% (mass) sulphuric acid with 60 % concentration, and 40% (mass) phosphoric ore powder, the Al₂O₃ ～ M_xO_y coating resistance to corrosion and wear, is 7.46

Keywords： Al₂O₃-M_xO_y coating plasma resistance to corrosion resistance

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Feasibility study of plasma sprayed Al₂O₃ coatings as diffusion barrier on CFC

Kirsten BOBZIN, Lidong ZHAO, Nils KOPP, Thomas WARDA

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4, Pages 371-375 doi: 10.1007/s11465-012-0339-y

Abstract: Within this study the feasibility of plasma sprayed Al₂O₃ coatings as diffusionAl₂O₃ coatings were prepared by air plasma spraying (APS).The results showed that Al₂O₃ could be well deposited onto CFC substrates.temperature of 1270°C, crack network formed within the coating, showing that the plasma sprayed Al₂O₃ coatings are limited regarding to their application temperatures as diffusion

Keywords： diffusion barrier coatings CFC plasma spraying microstructure Al₂O₃

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Effect of TiO 2 loading on the activity of V/TiO 2 -Al 2 O 3 in the catalytic oxidehydrogenation of ethylbenzene

Xiaohong LI, Wenying LI,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2, Pages 142-146 doi: 10.1007/s11705-009-0233-2

Abstract: Supports and catalysts were characterized by X-ray diffraction (XRD), physisorption, temperature preprogrammed

Keywords： desorption different TiO-AlOmixed physisorption ethylbenzene

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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

Keywords： Copper modification Sb-CeZr₂O_x catalyst NO_x Methanol

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Title Author Date Type Operation

Evaluation of H₂ on the Evolution Mechanism of NO_x Storage and Reductionover Pt–Ba–Ce/γ-Al₂O₃ Catalysts

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

Journal Article

Effects of MgO promoter on properties of Ni/Al2O3 catalysts for partial oxidation of methane to syngas

QIU Yejun, CHEN Jixiang, ZHANG Jiyan

Journal Article

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

Journal Article

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

Zhong HE,Xianqin WANG

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

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

CO₂ methanation and co-methanation of CO and CO₂ over Mn-promoted Ni/Al₂O₃ catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

Effects of Pd doping on N

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

Journal Article

The stabilization effect of Al₂O₃ on unconventional Pb/SiO₂ catalyst

Journal Article

Thermodynamic Analysis and Reaction Model of Combustion Synthesis in Al-Cr₂O₃ Systemwith Al₂O₃ and Cr₂O₃ Diluents

Zhang Yancheng,Pan Ye,Zhang Chuan

Journal Article

Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reductionof NO with NH₃

Journal Article

Spray Preparation, Microstructure and Properties of Al₂O₃-M_xO Hard -

Wang Biao,Wang Yudong,Li Huiling,Zhang Zihua

Journal Article

Feasibility study of plasma sprayed Al₂O₃ coatings as diffusion barrier on CFC

Kirsten BOBZIN, Lidong ZHAO, Nils KOPP, Thomas WARDA

Journal Article

Effect of TiO 2 loading on the activity of V/TiO 2 -Al 2 O 3 in the catalytic oxidehydrogenation of ethylbenzene

Xiaohong LI, Wenying LI,

Journal Article

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

Journal Article

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