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Catalytic ozonation of reactive red X-3B in aqueous solution under low pressure: decolorization and OH

Hong SUN,Min SUN,Yaobin ZHANG,Xie QUAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 591-595 doi: 10.1007/s11783-014-0694-5

Abstract: Catalytic ozonation of Reactive Red X-3B in aqueous solution had been carried out in an ozone oxidationMn-Fe-ceramic honeycomb catalyst could obviously improve the decoloration efficiency of Reactive Red X-3BAdsorption of Reactive Red X-3B had no obviously influence on the degradation efficiency.followed the mechanism of hydroxyl radical (OH·) oxidation.influence on the degradation efficiency, mainly attributing to facilitate the ozone decomposition and OH

Keywords： catalytic ozonation     reactive red X-3B     ceramic honeycomb     hydroxyl radical (OH·)    

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Generation of enhanced stability of SnO/In(OH)/InP for photocatalytic water splitting by SnO protection

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 710-720 doi: 10.1007/s11708-021-0764-x

Abstract: activity of the InP-based catalyst are effectively enhanced by applying an anti-corrosion SnO layer and In(OH)3 transition layer, which reduces the crystal mismatch between SnO and InP and increasesThe obtained Pt/SnO/In(OH)3/InP exhibits a hydrogen production rate of 144.42 µmol/g in 3illumination in multi-cycle tests without remarkable decay, 123 times higher than that of naked In(OH)3/InP without any electron donor under visible irradiation.

Keywords： SnO/In(OH)3/InP photocatalyst     enhanced activity and stability for water splitting     corrosion    

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Utilization of aluminum hydroxide waste generated in fluoride adsorption and coagulation processes for adsorptive removal of cadmium ion

Jiawei JU,Ruiping LIU,Zan HE,Huijuan LIU,Xiwang ZHANG,Jiuhui QU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 467-476 doi: 10.1007/s11783-015-0809-7

Abstract: (F) removal, the two processes both generate large amount of Al(OH) solid waste containing F (Al(OHThis study aimed to investigate the feasibility of utilizing Al(OH) -F generated in Al(OH) adsorption(Al(OH) -F ) and coagulation (Al(OH) -F ) for the adsorption of cadmium ion (Cd(II)).The adsorption capacity of Al(OH) -F and Al(OH) -F for Cd(II) was similar as that of pristine aluminumThe adsorption of Cd(II) onto Al(OH) -F and Al(OH) -F was identified to be dominated by ion-exchange

Keywords： Al(OH)3     fluoride     cadmium     adsorption     reclamation     sequential extraction    

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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 - Cr<sub>2</sub>O<sub>3</sub> system with AI<sub>2</sub>O<sub>3</sub>and Cr<sub>2</sub>O<sub>3</sub> diluents were conducted, and the effects of reactionstarting temperature T<sub>O</sub>, diluents AI<sub>2</sub>O<sub>3</sub> and Cr<sub>2</sub>O<sub>3</sub> on the adiabatic combustion temperature

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

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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, wasIt 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.addition, a simple schematic diagram of the change of surface species on the catalyst surface after Al2O3 addition was also proposed.

Keywords： Pb/SiO2     Al2O3     propane dehydrogenation     propene     stability    

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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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Spray Preparation, Microstructure and Properties of Al2O3-MxO 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 ～ MxOy was prepared by means of plasma spray.consisting of 60% (mass) sulphuric acid with 60 % concentration, and 40% (mass) phosphoric ore powder, the Al2O3 ～ MxOy coating resistance to corrosion and wear, is 7.46

Keywords： Al2O3-MxOy     coating     plasma     resistance to corrosion     resistance    

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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 catalysts for the partial oxidation of methane to syngas were studied by means of BET, XRD, H-TPR, TEM and performance evaluation. It was found that the MgO promoter benefited from the uniformity of nickel species in the catalysts, inhibited the formation of NiAlO spinel and improved the interaction between nickel species and support. These results were related to the formation of NiO MgO solid solution and MgAlO spinel. Moreover, for the catalysts with a proper amount of MgO promoter, the nickel dispersiveness was enhanced, therefore making their catalytic performance in methane partial oxidation improved. However, the excessive MgO promoter exerted a negative effect on the catalytic performance. Meanwhile, the basicity of MgO promoted the reversed water gas shift reaction, which led to an increase in CO selectivity and a decrease in H2 selectivity. The suitable content of MgO promoter in Ni/AlO catalyst was ?7 wt-%.

Keywords： excessive     selectivity     decrease     dispersiveness     physico-chemical    

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Fabrication of form stable NaCl-Al2O3 composite for thermal energy storage by cold sintering process

Bilyaminu Suleiman, Qinghua Yu, Yulong Ding, Yongliang Li

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 727-735 doi: 10.1007/s11705-019-1823-2

Abstract: A form stable NaCl-Al O (50-50 wt-%) composite material for high temperature thermal energy storageThe NaCl-Al O composite also retained the chloride salt without leakage after 30 heating-cooling cyclesindicated congruent solubility of the alumina in chloride salt, excellent compatibility of NaCl with Al

Keywords： cold sintering process     composite fabrication     thermal energy storage     phase change materials    

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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: TiO-AlOmixed oxides with different compositions ranging from 40wt-% to 95wt-% of TiO were prepared by sol-gel method and impregnated with different amounts of VO. Supports and catalysts were characterized by X-ray diffraction (XRD), physisorption, temperature preprogrammed reduction (H-TPR), and ammonia temperature programmed desorption (NH-TPD). TiO content in the support had obvious effect on the crystal structure, texture characteristic, acid property, and catalytic activity in dehydrogenation of ethylbenzene (EB) with carbon dioxide. The highest catalytic activity was acquired when the TiO content was 50 wt-%.

Keywords： desorption     different     TiO-AlOmixed     physisorption     ethylbenzene    

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

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sub>2 on the Evolution Mechanism of NOx Storage and Reduction over 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-Al2O3characterization techniques, which showed that PtOx, 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+

Keywords： Pt–Ba–Ce/γ-Al2O3 catalysts     Physicochemical properties     NOx storage    

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Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 143-146 doi: 10.1007/s11783-007-0025-1

Abstract: A highly effective Ag-AlO catalyst was prepared using the sol-gel method, and characterized by surface area using nitrogen adsorption, scanning electron microscopy (SEM), and transmission electron microscopy (TEM) techniques. The catalyst performance was tested on a real lean-burn gasoline engine. Only unburned hydrocarbons and carbon monoxide in the exhaust were directly used as reductant (without any external reductant), the maximum NO conversion could only reach 40% at 450?C. When an external reductant, ethanol was added, the average NO conversion was greater than 60%. At exhaust gas temperature range of 350 500?C, the maximum NO conversion reached about 90%. CO and HC could be efficiently oxidized with Pt-AO oxidation catalyst placed at the end of SCR converter. However, NO conversion drastically decreased because of the oxidation of some intermediates to NO again. The possible reaction mechanism was proposed as two typical processes, nitration, and reduction in HC-SCR over Ag-AlO.

Keywords： lean-burn gasoline     external reductant     nitrogen adsorption     conversion     catalyst performance    

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Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Frontiers of Chemical Science and Engineering   Pages 1659-1671 doi: 10.1007/s11705-022-2173-z

Abstract: Here, CaCO3 hollow microspheres, a high-value product was synthesized from such a reactionIt is found that there is a transformation of CaCO3 particles from solid-cubic nuclei to hollowFirstly, the Ca(OH)2 in the distiller waste stimulated the nucleation of calcite with a non-templateauxiliaries, the formation of hollow structures mainly depended on the growth and aging of CaCO33<

Keywords： distiller waste     CO2     hollow microsphere     CaCO3     Ca(OH)2     inside−out    

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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: /sub>OH products./sub>OH selectivity ( Keywords： CO2 hydrogenation     Cu–Ce–Zr     hydroxyls     CO/CH3OH selectivity    

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Title Author Date Type Operation

Catalytic ozonation of reactive red X-3B in aqueous solution under low pressure: decolorization and OH

Hong SUN,Min SUN,Yaobin ZHANG,Xie QUAN

Journal Article

Generation of enhanced stability of SnO/In(OH)/InP for photocatalytic water splitting by SnO protection

Journal Article

Utilization of aluminum hydroxide waste generated in fluoride adsorption and coagulation processes for adsorptive removal of cadmium ion

Jiawei JU,Ruiping LIU,Zan HE,Huijuan LIU,Xiwang ZHANG,Jiuhui QU

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

The stabilization effect of Al2O3 on unconventional Pb/SiO2 catalyst

Journal Article

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

Kirsten BOBZIN, Lidong ZHAO, Nils KOPP, Thomas WARDA

Journal Article

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

Wang Biao,Wang Yudong,Li Huiling,Zhang Zihua

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

Fabrication of form stable NaCl-Al2O3 composite for thermal energy storage by cold sintering process

Bilyaminu Suleiman, Qinghua Yu, Yulong Ding, Yongliang Li

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

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

Zhong HE,Xianqin WANG

Journal Article

sub>2 on the Evolution Mechanism of NOx Storage and Reduction over Pt–Ba–Ce/γ-Al2O3 Catalysts

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

Journal Article

Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Journal Article

Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Journal Article

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

Journal Article