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Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8, Pages 1211-1223 doi: 10.1007/s11705-022-2145-3

Abstract: In this study, a Co₃O₄–CeO₂ composite oxide catalyst was successfullyprepared through ultrasound-assisted co-precipitation.³⁺/Co²⁺ and Ce⁴⁺/Ce³⁺ redox pairs, than bulk CeO₂ and/or Co₃O₄.₃O₄–CeO₂.

Keywords： Co₃O₄–CeO₂ composite oxides cyclohexanone cyclohexanol ultrasonic-assistedco-precipitation selective oxidation solvent-free

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On the monolayer dispersion behavior of Co₃O₄ 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, Co₃O₄/ZSM-5 catalysts with different loadingsCo₃O₄ can spontaneously disperse on HZSM-5 support with a monolayer dispersionHowever, the formation of crystalline Co₃O₄ above the capacity is harmful to thereaction performance. 4% Co₃O₄/ZSM-5, the catalyst close to the monolayer dispersioncapacity amount of Co₃O₄ onto HZSM-5 support.

Keywords： Co₃O₄/ZSM-5 NO_x-SCR by NH₃ monolayer dispersionthreshold effect surface acid sites surface active O₂^– anions

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Al₂O₃ and CeO₂-promoted MgO sorbents for CO₂ 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 .CO capacity than Al O promoter.Both 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： CO₂ capture MgO sorbents Al₂O₃ CeO₂ flue gas

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ZnFe₂O₄ deposited on BiOCl with exposed (001) and (010) facets for photocatalyticreduction of CO₂ in cyclohexanol

Guixian Song, Xionggang Wu, Feng Xin, Xiaohong Yin

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2, Pages 197-204 doi: 10.1007/s11705-016-1606-y

Abstract: ZnFe O -BiOCl composites were prepared by both hydrothermal and direct precipitation processes and theThe photocatalytic CO reduction activities over the hydrothermally prepared ZnFe O -BiOCl compositesHigher CF and CH yields were obtained for the pure BiOCl and BiOCl composite samples with more exposedto ·CO .The mechanism for the photocatalytic reduction of CO in cyclohexanol over ZnFe O -BiOCl composites with

Keywords： reduction of CO₂ cyclohexanol ZnFe₂O₄ deposited BiOCl facet composite

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Rh₂O₃/hexagonal CePO₄ nanocatalysts for N₂O 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.O than the Rh O supported on CePO nanorods.The stability 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.microscopy, hydrogen temperature-programmed reduction, oxygen temperature-programmed desorption, and CO

Keywords： Rh₂O₃ CePO₄ N₂O decomposition

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NiCo2O4@quinone-rich N–C core–shell nanowires as composite electrode for electric double layer capacitor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4, Pages 373-386 doi: 10.1007/s11705-022-2223-6

Abstract: /sub>O₄ nanowires were firstly grown on the substrate of active carbon cloth to provide theThen, the quinone-rich nitrogen-doped carbon shell structure was formed around NiCo₂O₄ nanowires, and the obtained composite was used as electrode for electric double layer capacitorsup>–2 at the current density of 1 mA∙cm^–2./sup> at a power density of 180 mW∙cm^–3.

Keywords： carbon cloth NiCo₂O₄ nanowires core−shell structure quinone-rich electric double

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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 temperatures/Al O 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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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 fabricated composite achieved as high as 98.65% of the theoretical density.The 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 OThe composite was found to have fair mass losses due to volatilization.

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

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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: CoO-SnO hybrid oxides were prepared by the coprecipitation method and were used to oxidate methane (CHThe CoO-SnO with a molar ratio of Co/(Co+Sn) at 0.75 exhibited the highest catalytic activity among allthe CoO-SnO hybrid oxides.CoO was the active species, and SnO acted as a support or a promoting component in the CoO-SnO hybrid oxidestemperature-programmed reduction (H-TPR) results demonstrated that the interaction between cobalt and tin oxides

Keywords： Co₃O₄-SnO₂ complete oxidation methane (CH₄)

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Ni-Co bimetallic catalyst for CH

Xiaohong LI, Jun AI, Wenying LI, Dongxiong LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 476-480 doi: 10.1007/s11705-010-0512-y

Abstract: A co-precipitation method was employed to prepare Ni/Al O -ZrO , Co/Al O -ZrO and Ni-Co/Al O -ZrO catalystssites (C+ CO = 2CO) for the methane-reforming reaction, and a more appropriate force formed betweenactive components and composite support (SMSI) for the catalytic reaction.O -ZrO catalyst, and its better resistance to carbon deposition, less than 0.5% of coke after 4 h reactionthe synergy between Ni and Co active metal, the strong metal-support interaction and the use of composite

Keywords： Ni-Co bimetallic catalyst composite support CH₄ reforming with CO₂

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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 effects of O and SO on catalytic activity were also studied.The experimental results showed that NO conversion changed significantly with the different V O loadingWith the V O loading increasing from 0 to 10 wt%, NO conversion increased significantly, but decreased

Keywords： V₂O₅/CeO₂ catalysts NH₃-SCR (selective catalytic reduction

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Fe - Ni - Co - Al₂O₃ 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 -Al₂O₃ cermet inert anode of 120 mm×80 mm×15 mm.The purity of aluminum metal produced was 98%〜99%, the impurities were mainly Fe, Ni and Co.The anode gas consisted of 98%〜99% O₂ which was analyzed with an Orsat apparatus./sub>O₃ in the bath and the anode used was inert.

Keywords： aluminum electrolysis inert anode back EMF value

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ZnFe₂O₄/BiVO₄ Z-scheme heterojunction for efficient visible-light photocatalytic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11, Pages 1728-1740 doi: 10.1007/s11705-023-2322-z

Abstract: A novel Z-scheme ZnFe₂O₄/BiVO₄ heterojunction photocatalyst was successfullyCompared with the single-phase counterparts, ZnFe₂O₄/BiVO₄ demonstratedcharge separation efficiencies because of the Z-scheme transfer mechanism of electrons between the compositeConsequently, the 30% ZnFe₂O₄/BiVO₄ catalyst afforded a degradationMoreover, the as-synthesized ZnFe₂O₄/BiVO₄ heterojunctions were quite

Keywords： ZnFe₂O₄/BiVO₄ Z-scheme heterojunction photocatalytic degradation

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Development of H₂O/CO₂ co-electrolysis in solid oxide electrolysis cell

Fan Hui,Song Shidong,Han Minfang

Strategic Study of CAE 2013, Volume 15, Issue 2, Pages 107-112

Abstract: In this paper, the progress on structure and working principle of SOEC for co-electrolyzing steamThe structure of SOEC, the recent development of high temperature steam/CO2 co-electrolysis from

Keywords： SOEC H₂O/CO₂ co-electrolysis syngas electrolysis efficiency water electrolysis

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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: Under mild reaction conditions, the Pd/Fe₃O₄@C magnetic nanocatalyst demonstratedAlso, the Pd/Fe₃O₄@C magnetic nanocatalyst exhibited excellent catalytic activityAlso, we explored the use of Pd/Fe₃O₄@C magnetic nanocatalyst as an electrocatalystInterestingly, the Pd/Fe₃O₄@C magnetic nanocatalyst exhibited better electrochemicalactivity compared to bare carbon and magnetite (Fe₃O₄ nanoparticles) with an overpotential

Keywords： bio-waste cellulosic-carbon Pd/Fe₃O₄ Hiyama cross-coupling hydrogen evolution

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Title Author Date Type Operation

Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Journal Article

On the monolayer dispersion behavior of Co₃O₄ on HZSM-5 support: designing applicablecatalysts for selective catalytic reduction of nitrogen oxides by ammonia

Journal Article

Al₂O₃ and CeO₂-promoted MgO sorbents for CO₂ capture at moderate

Huimei Yu, Xiaoxing Wang, Zhu Shu, Mamoru Fujii, Chunshan Song

Journal Article

ZnFe₂O₄ deposited on BiOCl with exposed (001) and (010) facets for photocatalyticreduction of CO₂ in cyclohexanol

Guixian Song, Xionggang Wu, Feng Xin, Xiaohong Yin

Journal Article

Rh₂O₃/hexagonal CePO₄ nanocatalysts for N₂O decomposition

Huan Liu, Zhen Ma

Journal Article

NiCo2O4@quinone-rich N–C core–shell nanowires as composite electrode for electric double layer capacitor

Journal Article