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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.It was found that CoO was the active species, and SnO acted as a support or a promoting component inthe CoO-SnO hybrid oxides.

Keywords: Co3O4-SnO2     complete oxidation     methane (CH4)    

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    

On the monolayer dispersion behavior of Co3O4 on HZSM-5 support: designing applicable

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     NOx-SCR by NH3     monolayer dispersionthreshold effect     surface acid sites     surface active O2 anions    

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    

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 compositesThis is because compared to the direct-precipitation sample, the ZnFe O nanoparticles in the hydrothermalto ·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    

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    

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 .Over Al O -MgO sorbents, the best capacity of 24.6 mg-CO /g-sorbent was attained at 100 °C, which wascapacity than Al O promoter.Compared to Al O , CeO is more effective for promoting the CO capacity of MgO.

Keywords: CO2 capture     MgO sorbents     Al2O3     CeO2     flue gas    

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    

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 demonstratedConsequently, the 30% ZnFe2O4/BiVO4 catalyst afforded a degradationorganic carbon removal rate of 50%, which is an excellent activity compared with ever reported BiVO42O4/BiVO4 heterojunctions were quite

Keywords: ZnFe2O4/BiVO4     Z-scheme heterojunction     photocatalytic degradation    

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    

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    

Preparation and property characterization of PAA/Fe3O4 nanocomposite

WEI Shanshan, ZHANG Yi, XU Jiarui

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 233-237 doi: 10.1007/s11705-007-0042-4

Abstract: PAA/FeO nanocomposites were prepared by mixing nano-FeOvent. The materials were characterized by transmission electron microscope (TEM), Fourier transform infrared spectroscope (FTIR), thermogravimetry analysis (TGA), dynamic ultra-micro hardness tester (DUMHT) and superconducting quantum interference device (SQUID) magnetometer. Results showed that PAA coordinated with nano-FeO to form a cross-linking structure. The presence of nano-FeO enhanced the thermal stability of the nanocomposite. The elasticity and hardness of the nanocomposite increased, and the indentation depth reduced with the increase of FeO content in the composites. The nanocomposites showed superparamagnetic properties at 300 K.

Keywords: magnetometer     superparamagnetic     ultra-micro     thermogravimetry     transmission    

Greenhouse gas emissions during co-composting of cattle feedlot manure with construction and demolition

Xiying Hao, Francis J. Larney

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0955-1

Abstract: The CK and DG manures were co-composted with (4:1) C&D waste (treatments: CK_CD DG_CD), composted aloneComposting with C&D waste produced similar CO emissions, about double that from manure stockpiling (The N O emissions (12.4 to 18.0 gN·m ) were similar across all treatments.

Keywords: Livestock manure     greenhouse gas flux     straw bale compost bin     N2O     CH4     CO2   

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 capacitorassembled symmetric electric double layer capacitor achieved a high energy density of 6.55 mW∙h∙cm3 at a power density of 180 mW∙cm3.

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

Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1519-6

Abstract:

4-chlorophenol biodegradation could be enhanced in Fe2O3 coupled anaerobic system.

Keywords: Dechlorination     Fe2O3 nanoparticles     Electron transfer     Microbial community    

Title Author Date Type Operation

Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Journal Article

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 applicable

Journal Article

Rh2O3/hexagonal CePO4 nanocatalysts for N2O decomposition

Huan Liu, Zhen Ma

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

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

Kechao Zhao,Zhenhua Li,Li Bian

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

Fe - Ni - Co - Al2O3 Cermets Inert Anode for Aluminum Electrolysis

Qiu Zhuxian,Shi Zhongning,Xu Junli

Journal Article

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

Journal Article

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

Fan Hui,Song Shidong,Han Minfang

Journal Article

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

Journal Article

Preparation and property characterization of PAA/Fe3O4 nanocomposite

WEI Shanshan, ZHANG Yi, XU Jiarui

Journal Article

Greenhouse gas emissions during co-composting of cattle feedlot manure with construction and demolition

Xiying Hao, Francis J. Larney

Journal Article

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

Journal Article

Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term

Journal Article