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Synthesis, physicochemical characterizations and catalytic performance of Pd/carbon-zeolite and Pd/carbon-CeO

Zeinab JAMALZADEH, Mohammad HAGHIGHI, Nazli ASGARI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3, Pages 365-381 doi: 10.1007/s11783-013-0520-5

Abstract: In this work, xylene removal from waste gas streams was investigated via catalytic oxidation over Pd/carbon-zeolite and Pd/carbon-CeO nanocatalysts.Activated carbon was obtained from pine cone chemically activated using ZnCl and modified by H PO .Mixed supports of carbon-zeolite and carbon-ceria were prepared and palladium was dispersed over them

Keywords： Pd/carbon-CeO2sub> Pd/carbon-zeolite pine cone ZnCl2sub> catalytic oxidation xylene

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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 methodand 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.H -TPR results indicated Pd-Ba interaction resulted in more difficult-to-reduce PdO species over Pd/

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

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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 catalystThe active phase of methane combustion over supported palladium catalyst is the Pd /Pd mixture.Zr addition inhibits Pd aggregation and enhances the redox properties of active phase Pd / Pd .(Pd / Pd ).

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

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A study on the catalytic performance of Pd/γ-Al

Ruizhi CHU, Xianyong WEI, Zhimin ZONG, Wenjia ZHAO

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 452-456 doi: 10.1007/s11705-010-0522-9

Abstract: A series of Pd/γ-Al O hybrid catalysts were prepared by impregnation and subsequent calcination undermicrowave irradiation on the catalytic property was mainly attributed to both the higher dispersion of Pdand the significant increase in the adsorption on the CO-bridge of Pd.CO-bridge adsorption and thereby decreased the catalytic activity, whereas the coverage by metallic Pd

Keywords： Pd/γ-Al2sub>O3sub> direct synthesis dimethyl ether calcination under microwave irradiation

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Pd/Fe3O4 supported on bio-waste derived cellulosic-carbon as a nanocatalyst for C–C coupling and electrocatalytic

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10, Pages 1514-1525 doi: 10.1007/s11705-022-2158-y

Abstract: nanoparticles enriched magnetic nanocatalyst (Pd/Fe3sub>O4sub>@C) using a simple multi-stepUnder mild reaction conditions, the Pd/Fe3sub>O4sub>@C magnetic nanocatalyst demonstratedAlso, the Pd/Fe3sub>O4sub>@C magnetic nanocatalyst exhibited excellent catalytic activityactivity compared to bare carbon and magnetite (Fe3sub>O4sub> nanoparticles) with an overpotentialof 293 mV at a current density of 10 mA·cm^–2.

Keywords： bio-waste cellulosic-carbon Pd/Fe3sub>O4sub> Hiyama cross-coupling hydrogen evolution

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Efficient dechlorination of 2,4-dichlorophenol in an aqueous media with a mild pH using a Pd/TiO

Jiangkun DU,Jianguo BAO,Wei HU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5, Pages 919-928 doi: 10.1007/s11783-015-0794-x

Abstract: In this study, palladium-loaded titania nanotubes was fabricated on a titanium plate (Pd/TiO NTs/Ti)for efficient electrodechlorination of 2,4-chlorophenol with a mild pH condition.The nature of Pd/TiO NTs/Ti electrodes was characterized by field-emission scanning electron microscopeon titania nanotubes arrays on the Pd/TiO NTs/Ti surface.chlorine from 2, 4-dichlorophenol since only phenol was detected as the byproduct and the concentration

Keywords： Pd/TiO2sub>NTs/Ti cathode chlorophenols electrocatalytic dechlorination wastewater treatment

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Selective hydrogenation of acetylene over Pd/CeO

Kai Li, Tengteng Lyu, Junyi He, Ben W. L. Jang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6, Pages 929-936 doi: 10.1007/s11705-019-1912-2

Abstract: Five hundred ppm Pd/CeO catalyst was prepared and evaluated in selective hydrogenation of acetylenePd/CeO catalyst could be activated by the feed gas during reactions and the catalyst without reductionThis could be ascribed to the formation of Pd Ce O or Pd-O-Ce surface species based on the X-ray diffraction

Keywords： selective hydrogenation acetylene Pd/CeO2sub> strong interaction

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Frontier science and challenges on offshore carbon storage

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1680-6

Abstract:

● The main direct seal up carbon options and challenges are reviewed

Keywords： Offshore carbon storage Direct CO2sub> injection CO2sub>-CH4sub> replacement CO2sub>-EOR CCS hubs CO2sub> transport

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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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Sulfur-deficient CoNi2sub>S4sub> nanoparticles-anchored porous carbon nanofibers as bifunctional

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11, Pages 1707-1717 doi: 10.1007/s11705-023-2308-x

Abstract: , aiming at the problems of high overpotential and slow kinetics in water splitting, N-doped porous carbonnanofibers-coupled CoNi2sub>S4sub> nanoparticles are prepared as bifunctional electrocatalystarea, and sulfur vacancies are created to modulate the electronic structure of CoNi2sub>S2sub>S4sub> from 1.68 to 0.52 eV.Moreover, the uniform distribution of CoNi2sub>S4sub> nanoparticles on carbon nanofibers

Keywords： nanoparticle sulfur vacancy porous carbon nanofiber transition metal sulfides electrolysis

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Scale up of reactors for carbon dioxide reduction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1, Pages 116-122 doi: 10.1007/s11705-022-2178-7

Abstract: In recent times there has been a great deal of interest in the conversion of carbon dioxide into moreOn the other hand, the translation of these developments in electrochemical reduction of carbon dioxideWe observed that increasing the electrode area from 1 to 10 cm² led to only a 4% drop in currentdensity, with similarly small penalties realised when stacking sub-cells together.

Keywords： CO2sub> reduction electrochemical cell electrosynthesis upscaling

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Theoretical and experimental study on the fluidity performance of hard-to-fluidize carbon nanotubes-basedCO2 capture sorbents

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10, Pages 1460-1475 doi: 10.1007/s11705-022-2159-x

Abstract: Carbon nanotubes-based materials have been identified as promising sorbents for efficient CO2sub> capture in fluidized beds, suffering from insufficient contact with CO2sub> for the high-levelCO2sub> capture capacity.Pure carbon nanotubes + 7.5 wt% SiO2sub> and synthesized carbon nanotubes + 5 wt% SiO2subChemical modification of carbon nanotubes causes not only enhanced CO 2sub> uptake capacity but

Keywords： CO2sub> capture CNT-based sorbents fluidization SiO2sub> nanoparticles fluidized bed

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Effect of carbon deposition over carbonaceous catalysts on CH

Yongfa ZHANG, Meng ZHANG, Guojie ZHANG, Huirong ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 481-485 doi: 10.1007/s11705-010-0523-8

Abstract: An investigation was made using a continuous fixed bed reactor to understand the influence of carbonThermogravimetry (TG) and X-ray diffraction (XRD) were employed to study the characteristics of carbonreacts with carbon dioxide, but the carbon deposition Type II generated at 1000°C and 1100°C clearlyinhibits CH -CO reforming and it is difficult to react with carbon dioxide.The results of XRD showed that some graphite structures were found in carbon deposition Type II.

Keywords： carbon deposition carbonaceous catalyst CH4sub>-CO2sub> reforming

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Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production of

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4, Pages 498-510 doi: 10.1007/s11705-021-2082-6

Abstract: The electrochemical conversion of CO2sub>-H2sub>O into CO-H2sub> using renewableHerein, a series of N-doped carbon nanotubes encapsulating binary alloy nanoparticles (McarbonMore importantly, stable CO/H2sub> ratios of 2:1 and 1.5:1, corresponding to the ratio to produce>2sub> ratio from electrochemical CO2sub> reduction.

Keywords： electrochemical reduction of CO2sub> syngas N-doped carbon nanotubes encapsulated alloynanoparticles CO/H2sub> ratio

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Investigation of the preparation methodologies of Pd-Cu single atom alloy catalysts for selective hydrogenation

Xinxiang Cao,Arash Mirjalili,James Wheeler,Wentao Xie,Ben W.-L. Jang

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4, Pages 442-449 doi: 10.1007/s11705-015-1547-x

Abstract: Galvanic replacement, co-impregnation and sequential impregnation have been employed to prepare Pd-Cubimetallic catalysts with less than 1 wt-% Cu and ca. 0.03 wt-% Pd for selective hydrogenation of acetylenefield-scanning transmission electron microscopy (HAADF-STEM) and H chemisorption results confirmed that Pd-Cu

Keywords： H2sub> pulse chemisorption palladium-copper bimetallic catalyst single atom alloy acetylene hydrogenation