Search | Engineering

Subscribe Submit

Home Journals Focus Achievement Fronts About Us 中文版

Resource Type

Journal Article 1603

Year

2024 5

2023 204

2022 212

2021 238

2020 139

2019 79

2018 61

2017 76

2016 65

2015 55

2014 64

2013 70

2012 45

2011 33

2010 59

2009 46

2008 32

2007 51

2006 10

2005 2

open ︾

Keywords

SARS-CoV-2 33

COVID-19 25

CO₂ capture 19

2 18

PM_2.5 16

TiO₂ 14

photocatalysis 12

1 10

CO₂ 9

Photocatalysis 8

CO₂ emissions 7

Deep learning 7

Machine learning 7

Al₂O₃ 6

China 6

HZSM-5 6

Reinforcement learning 6

adsorption 6

energy 5

open ︾

Search scope:

排序： Display mode:

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.>2sub>O3sub> addition was also proposed.

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

HTML PDF Collect

Preparation of P

Wenjiang LI, Fei XIE, Dongxu HUA, Chunli ZHANG, Chen DAI, Zhenyun YU, Meizhou QI, Shaojun YU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3, Pages 314-317 doi: 10.1007/s11705-010-0573-y

Abstract: prepared by a sol-gel/emulsion method which uses tetraethoxysilane (TEOS) as the precursor for the SiOand phosphoric acid (H PO ) as the precursor for P O .The hollow structure of the P O -SiO (silicophosphate) was characterized by X-ray diffraction (XRD),

Keywords： P2sub>O5sub>-SiO2sub> hollow microspheres sol-gel/emulsion phosphoric acid

HTML PDF Collect

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

HTML PDF Collect

Effect of SiO

Qian WANG, Lei WANG, Hui WANG, Zengxi LI, Xiangping ZHANG, Suojiang ZHANG, Kebin ZHOU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1, Pages 79-88 doi: 10.1007/s11705-010-0550-5

Abstract: A series of SAPO-34 molecular sieves with different SiO /Al O ratios have been synthesized for the methanol-to-olefindiameter of SAPO-34 as well as HZSM-5 increase with SiO /Al O ratio.The variation of BET surface area of SAPO-34 is different from that of HZSM-5 and the sample with SiOWhen the SiO /Al O ratio increases, propylene and butylenes become the predominant product of the MTOreaction over HZSM-5.

Keywords： HZSM-5 SAPO-34 methanol-to-olefin (MTO) SiO2sub>/Al2sub>O3sub> ratio

HTML PDF Collect

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 temperaturescontent was varied from 0.86% to 2.54% and the best CO conversion was achieved with the 1.71Mn-Ni/Al OThe 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>

HTML PDF Collect

On the monolayer dispersion behavior of Co3sub>O4sub> 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, Co3sub>O4sub>/ZSM-5 catalysts with different loadingsCo3sub>O4sub> can spontaneously disperse on HZSM-5 support with a monolayer dispersionIt has been revealed that the quantities of surface active oxygen (O2sub>^–) and acidcapacity, possesses the most abundant active O2sub>^– species and acidic sites, therebycapacity amount of Co3sub>O4sub> onto HZSM-5 support.

Keywords： Co3sub>O4sub>/ZSM-5 NOxsub>-SCR by NH3sub> monolayer dispersionthreshold effect surface acid sites surface active O2sub>^– anions

HTML PDF Collect

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： V2sub>O5sub>/CeO2sub> catalysts NH3sub>-SCR (selective catalytic reduction

HTML PDF Collect

Development of H2sub>O/CO2sub> 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: Solid oxide electrolysis cell (SOEC) as an environmental-friendly device can converse the electricThe structure of SOEC, the recent development of high temperature steam/CO2 co-electrolysis fromp>

Keywords： SOEC H2sub>O/CO2sub> co-electrolysis syngas electrolysis efficiency water electrolysis

HTML PDF Collect

ZnFe2sub>O4sub> deposited on BiOCl with exposed (001) and (010) facets for photocatalyticreduction of CO2sub> 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 hydrothermalThe mechanism for the photocatalytic reduction of CO in cyclohexanol over ZnFe O -BiOCl composites with

Keywords： reduction of CO2sub> cyclohexanol ZnFe2sub>O4sub> deposited BiOCl facet composite

HTML PDF Collect

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 AI2O3starting temperature TO, diluents AI2O3 and Cr2O3 on the adiabatic combustion temperaturep>

Keywords： cermet combustion synthesis Al - Cr2sub>O3sub> system thermodynamics reaction model

HTML PDF Collect

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

HTML PDF Collect

Synthesis of magnetic Pb/Fe

Hualiang AN, Xinqiang ZHAO, Zhiguang JIA, Changcheng WU, Yanji WANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2, Pages 215-218 doi: 10.1007/s11705-009-0055-2

Abstract: To facilitate the recovery of Pb/SiO catalyst, magnetic Pb/Fe O /SiO samples were prepared separatelyWhen the gelatin was applied in the preparation of Fe O at 60°C and the pH value was controlled at 4in the preparation of Fe O /SiO , the Pb/Fe O /SiO sample shows good catalytic activity and magnetismUnder the reaction conditions of a reaction temperature of 180°C, reaction time of 2 h, catalyst percentage

Keywords： Pb/Fe3sub>O4sub>/SiO2sub> magnetic particle urea 1 2-propylene glycol propylene

HTML PDF Collect

Chemical deactivation of V

Xiaodong WU, Wenchao YU, Zhichun SI, Duan WENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3, Pages 420-427 doi: 10.1007/s11783-013-0489-0

Abstract: V O -WO /TiO catalyst was poisoned by impregnation with NH Cl, KOH and KCl solution, respectively.chloride enlarges the pore size of the titania support, and promotes the formation of highly dispersed V=O

Keywords： V2sub>O5sub>-WO3sub>/TiO2sub> potassium chloride poisoning reducibility acid

HTML PDF Collect

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 coatingof Al2sub>O3sub> ～ Mxsub>Oysub> was prepared by means of plasma spray.>2sub>O3sub> ～ Mxsub>Oysub> coating resistance to corrosion and wear, is 7.46p>

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

HTML PDF Collect

SiO2sub> passivation layer grown by liquid phase deposition for silicon solar cell application

Yanlin CHEN,Sihua ZHONG,Miao TAN,Wenzhong SHEN

Frontiers in Energy 2017, Volume 11, Issue 1, Pages 52-59 doi: 10.1007/s11708-016-0429-3

Abstract: In this paper, a comprehensive understanding of the SiO passivation layer grown by liquid phase depositionfound that the post-annealing process could significantly enhance the passivation effect of the LPD SiOfield-effect passivation mechanisms played important roles in outstanding passivation effect of the LPD SiOthrough analyzing the minority carrier lifetime and the surface recombination velocity of n-type and p-typeBy utilizing the LPD SiO film as surface passivation layer, a 19.5%-efficient silicon solar cell on

Keywords： Si solar cell passivation SiO2sub> liquid phase deposition carrier lifetime

HTML PDF Collect

Title Author Date Type Operation

The stabilization effect of Al2sub>O3sub> on unconventional Pb/SiO2sub> catalyst

Journal Article

Preparation of P

Wenjiang LI, Fei XIE, Dongxu HUA, Chunli ZHANG, Chen DAI, Zhenyun YU, Meizhou QI, Shaojun YU

Journal Article

Rh2sub>O3sub>/hexagonal CePO4sub> nanocatalysts for N2sub>O decomposition

Huan Liu, Zhen Ma

Journal Article

Effect of SiO

Qian WANG, Lei WANG, Hui WANG, Zengxi LI, Xiangping ZHANG, Suojiang ZHANG, Kebin ZHOU

Journal Article

CO2sub> methanation and co-methanation of CO and CO2sub> over Mn-promoted Ni/Al2sub>O3sub> catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

On the monolayer dispersion behavior of Co3sub>O4sub> on HZSM-5 support: designing applicable

Journal Article

Characterization and performance of V

Caiting LI, Qun LI, Pei LU, Huafei CUI, Guangming ZENG

Journal Article

Development of H2sub>O/CO2sub> co-electrolysis in solid oxide electrolysis cell

Fan Hui,Song Shidong,Han Minfang

Journal Article

ZnFe2sub>O4sub> deposited on BiOCl with exposed (001) and (010) facets for photocatalyticreduction of CO2sub> in cyclohexanol

Guixian Song, Xionggang Wu, Feng Xin, Xiaohong Yin

Journal Article

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

Journal Article

Al2sub>O3sub> and CeO2sub>-promoted MgO sorbents for CO2sub> capture at moderate

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

Journal Article

Synthesis of magnetic Pb/Fe

Hualiang AN, Xinqiang ZHAO, Zhiguang JIA, Changcheng WU, Yanji WANG

Journal Article

Chemical deactivation of V

Xiaodong WU, Wenchao YU, Zhichun SI, Duan WENG

Journal Article

Spray Preparation, Microstructure and Properties of Al2sub>O3sub>-Mxsub>O Hard -

Wang Biao,Wang Yudong,Li Huiling,Zhang Zihua

Journal Article

SiO2sub> passivation layer grown by liquid phase deposition for silicon solar cell application

Yanlin CHEN,Sihua ZHONG,Miao TAN,Wenzhong SHEN

Journal Article

京公网安备 11010502051620号京ICP备11030251号-2

关注我们