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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 Cu/ZnO/Al O catalyst., the catalyst aged at 80°C for 1 h under microwave irradiation possessed higher methanol space timeThe activity and stability of the catalyst was further enhanced when microwave irradiation was used in

Keywords： microwave irradiation precipitation temperature aging temperature methanol synthesis Cu/ZnO/Al2sub>O3sub> catalyst

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The stabilization effect of Al2sub>O3sub> on unconventional Pb/SiO2sub> 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 Al2sub>O3sub> with a small amount, wasintroduced into Pb/SiO2sub> catalyst in this study.It has been proved that Al2sub>O3sub> can inhibit the reduction of PbO, and weaken theAs a result, 3Al15Pb/SiO2sub> catalyst exhibits a much higher stability up to more than 150 h.Al2sub>O3sub> addition was also proposed.

Keywords： Pb/SiO2sub> Al2sub>O3sub> propane dehydrogenation propene stability

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Thermodynamic Analysis and Reaction Model of Combustion Synthesis in Al-Cr2sub>O3sub> Systemwith Al2sub>O3sub> and Cr2sub>O3sub> 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 - Cr2sub>O3sub> system thermodynamics reaction model

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Spray Preparation, Microstructure and Properties of Al2sub>O3sub>-Mxsub>O 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% Al2sub>O3sub> + 50% Ni were prepared by means of oxyacetylene spray, and final coating ofAl2sub>O3sub> ～ Mxsub>Oysub> was prepared by means of plasma spray.consisting of 60% (mass) sulphuric acid with 60 % concentration, and 40% (mass) phosphoric ore powder, the Al2sub>O3sub> ～ Mxsub>Oysub> coating resistance to corrosion and wear, is 7.46

Keywords： Al2sub>O3sub>-Mxsub>Oysub> coating plasma resistance to corrosion resistance

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Feasibility study of plasma sprayed Al2sub>O3sub> 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 Al2sub>O3sub> coatings as diffusionAl2sub>O3sub> coatings were prepared by air plasma spraying (APS).The results showed that Al2sub>O3sub> could be well deposited onto CFC substrates.temperature of 1270°C, crack network formed within the coating, showing that the plasma sprayed Al2sub>O3sub> coatings are limited regarding to their application temperatures as diffusion

Keywords： diffusion barrier coatings CFC plasma spraying microstructure Al2sub>O3sub>

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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 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 CO2sub> methanation co-methanation of CO and CO2sub>

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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 .Over Al O -MgO sorbents, the best capacity of 24.6 mg-CO /g-sorbent was attained at 100 °C, which wasBoth 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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Catalytic hydrolysis of gaseous HCN over Cu–Ni/γ-Al

Linxia Yan, Senlin Tian, Jian Zhou, Xin Yuan

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0872-8

Abstract: The Cu–Ni/γ-Al O catalyst was prepared to study HCN hydrolysis ?On catalyst calcined at 400°C, the HCN removal efficiency reaches a maximum. ?efficiently hydrogen cyanide (HCN) in exhaust gas, g-Al O -supported bimetallic-based Cu–Ni catalystof CO or O on the HCN removal efficiency on the Cu–Ni/g-Al O catalyst were investigated.On catalyst calcined at 400°C, the efficiency reaches a maximum close to 99% at 480 min at a H O/HCN

Keywords： Hydrogen cyanide Cu–Ni/g-Al2sub>O3sub> Catalytic hydrolysis

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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>>xsub>, 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 (TEMThe maximum NOxsub> conversion of the catalyst reached 83.5% when the duration of the

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

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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/TiO

Keywords： Pt/TiO2sub> NiMo/Al2sub>O3sub> Pt/Al2sub>O3sub> bio-oil hydrodeoxygenation

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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.of both catalysts as a function of time on stream was studied and the influence of the co-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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Piezocatalytic performance of FeO−BiMoO catalyst for dye degradation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6, Pages 716-725 doi: 10.1007/s11705-022-2265-9

Abstract: A Fe2sub>O3sub>−Bi2sub>MoO6sub> heterojunction was synthesized via a hydrothermalThe highest rhodamine B degradation rate of 96.6% was attained on the 3% Fe2sub>O3sub>−>2sub>O3sub> and Bi2sub>MoO6sub>, which effectively separated the ultrasound-induced>3sub>−Bi2sub>MoO6sub> catalyst was proposed based on the band potential and quenchingThe results demonstrated the potential of using Fe2sub>O3sub>−Bi2sub>MoO6

Keywords： piezocatalysis Fe2sub>O3sub>−Bi2sub>MoO6sub> dye decomposition ultrasonic

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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 catalyst, which, based on the catalyst characterization (N adsorption, XRD, CO-Chemisorption, XPS, CH -TPR andO -TPO), is ascribed to the interaction between Pd and Zr.The active phase of methane combustion over supported palladium catalyst is the Pd /Pd mixture.

Keywords： Pd-Zr/Al2sub>O3sub> methane catalytic combustion catalyst regeneration

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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: This present work investigated the effects of Pd doping on N O formation over Pt/BaO/Al O catalyst.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 storageMost of N O formed over (Pt-Pd/BaO/Al O +Al O ) was originated from Pd/BaO/Al O component.

Keywords： NOxsub> storage reduction Pt/BaO/Al2sub>O3sub> Pd doping N2sub>O formation

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Fe - Ni - Co - Al2sub>O3sub> Cermets Inert Anode for Aluminum Electrolysis

Qiu Zhuxian,Shi Zhongning,Xu Junli

Strategic Study of CAE 2004, Volume 6, Issue 8, Pages 35-39

Abstract: The cell was built with a graphite cathode of 120 mm×40 mm×20 mm and a Fe - Ni - Co -Al2sub>O3sub> cermet inert anode of 120 mm×80 mm×15 mm.The anode gas consisted of 98%〜99% O2sub> which was analyzed with an Orsat apparatus.confirmed that the electrochemical reaction occurred in the electrolysis cell was the decomposition of Al2sub>O3sub> in the bath and the anode used was inert.

Keywords： aluminum electrolysis inert anode back EMF value