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CeO doping boosted low-temperature NH-SCR activity of FeTiO catalyst: A microstructure analysis and reaction

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1539-2

Abstract:

• CeO2sub> doping significantly improved low-temperature NH3sub>-SCR activity on FeTiOxsub>.

Keywords： NH3sub>-SCR CeO2sub> doping Low-temperature NOxsub> removal Improved redox

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Denitrification performance and sulfur resistance mechanism of Sm–Mn catalyst for low temperature NH-SCR

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5, Pages 617-633 doi: 10.1007/s11705-022-2258-8

Abstract: MnOxsub> and Sm–Mn catalysts were prepared with the coprecipitation method, and they showedsub> by NH3sub> between 50 and 300 °C in the presence of excess oxygen. 0.10Sm–Mn catalyst indicatedTherefore, it significantly enhances the NO conversion, N2sub> selectivity, and sulfur resistance>2sub> and the amount of surface adsorbed oxygen.The Bronsted acid sites strengthen significantly due to the addition of SO2sub>, enhancing the

Keywords： MnOxsub> Sm–Mn catalyst NH3sub>-SCR sulfur resistance

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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: The catalysts were evaluated for low temperature selective catalytic reduction (SCR) of NO with ammonia

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

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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 dispersionBelow the monolayer dispersion threshold, Co3sub>O4sub> is finely dispersed as sub-monolayersHowever, the formation of crystalline Co3sub>O4sub> above the capacity is harmful to thecapacity 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

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Chemical poison and regeneration of SCR catalysts for NOxsub>

Junhua LI,Yue PENG,Huazhen CHANG,Xiang LI,John C. CRITTENDEN,Jiming HAO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3, Pages 413-427 doi: 10.1007/s11783-016-0832-3

Abstract: Selective catalytic reduction (SCR) of NO with NH is an effective technique to remove NO from stationarydirections in developing poisoning resistance catalysts and facile efficient regeneration methods for SCR

Keywords： flue gas DeNOxsub> SCR catalyst poison and regeneration

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The effect of preparation conditions of Pt/Al

Lei YUAN, Xiang ZHENG, Kaijiao DUAN, Hao HU, Jinggang WANG, Seong Ihl WOO, Zhiming LIU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3, Pages 457-463 doi: 10.1007/s11783-013-0512-5

Abstract: Selective catalytic reduction of NO by H in the presence of oxygen has been investigated over Pt/Al O catalysts pre-treated under different conditions. Catalyst preparation conditions exert significant influence on the catalytic performance, and the catalyst pre-treated by H or H then followed by O is much more active than that pre-treated by air. The higher surface area and the presence of metallic Pt over Pt/Al O pre-treated by H or pretreated by H then followed by O can contribute to the formation of NO , which then promotes the reaction to proceed at low temperatures.

Keywords： NOxsub> reduction Pt/Al2sub>O3sub> preparation condition H2sub>-SCR

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Numerical simulation and experimental verification of chemical reactions for SCR DeNO

Qiang ZHANG, Yonglin FAN, Wenyan LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 523-528 doi: 10.1007/s11705-010-0520-y

Abstract: Selective catalytic reduction (SCR) is a major commercial technology for NO removal in power plants.There are a lot of complex chemical reactions in SCR reactors, and it is of great significance to understandthe internal process of chemical reactions for SCR DeNO and study the impact of various factors onto get the best removal efficiency of NO, so that we can provide a reference for optimal running of SCR

Keywords： SCR NOxsub> removal efficiency chemical reactions simulation

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NiBO (B = Mn or Co) catalysts for NH-SCR of NO at low-temperature in microwave field

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1696-y

Abstract:

● Microwave-assisted catalytic NH3sub>-SCR reaction over spinel

Keywords： Microwave field Spinel oxides NOxsub> Selective catalytic reduction

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Effect of alumina and zirconia as binders on the activity of Fe-BEA for NH

Jin Shi, Zihao Zhang, Mingxia Chen, Zhixiang Zhang, Wenfeng Shangguan, Shunchao Gu, Hirano Shin-ichi

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1012-4

Abstract: Fe-BEA catalysts are active for the NH -SCR of NO.Accordingly, the SCR activity increased slightly in low temperature but decreased sharply in high temperaturemagnitude resulted in higher catalytic oxidation ability, which gave rise to little change in the SCR

Keywords： NH3sub>-SCR NO Fe-BEA Binder Alumina Zirconia

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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: Hexagonal CePO nanorods were prepared by a precipitation method and hexagonal CePO nanowires were prepared by hydrothermal synthesis at 150 °C. 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 N 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. The samples were characterized by N adsorption-desorption, inductively coupled plasma optical emission spectroscopy, X-ray diffraction, transmission electron microscopy, X-ray photoelectron microscopy, hydrogen temperature-programmed reduction, oxygen temperature-programmed desorption, and CO temperature-programmed desorption in order to correlate the physicochemical and catalytic properties.

Keywords： Rh2sub>O3sub> CePO4sub> N2sub>O decomposition

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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: lt;/sub>O3 system with AI2O3and Cr2O3 diluents were conducted, and the effects of reactionstarting temperature TO, diluents AI2O3 and Cr2O3 on the adiabatic combustion temperatureThe near linear relation between T0 and Tad was obtained

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

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In-MOF-derived In2sub>S3sub>/Bi2sub>S3sub> heterojunction for enhanced photocatalytic

Frontiers in Energy 2023, Volume 17, Issue 5, Pages 654-663 doi: 10.1007/s11708-023-0885-5

Abstract: In this paper, a broad spectrum responsive In2sub>S3sub>/Bi2sub>S3sub> heterojunctionis constructed by in-situ integrating Bi2sub>S3sub> with the In2sub>S2sub>S3sub>/Bi2sub>S3sub> heterojunction demonstrates a rate of 0.71 mmol/(g∙h), which is 2.2 and 1.7 times as much as those of In2sub>S3sub> (0.32 mmol/(g∙h) and Bi2sub>S3sub> (0.41 mmol/(g∙h)), respectively.

Keywords： photocatalytic hydrogen production wide-spectrum response metal sulfides MOFs derivative heterogeneous interfacial contact

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Effects of SO

Quanming Liang, Jian Li, Hong He, Wenjun Liang, Tiejun Zhang, Xing Fan

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0926-6

Abstract: The optimal loading of CeO was 3% with the De-NO efficiency reached 89.9% at 140°C.The results showed that the De-NO activity of 3% CeO -VWT catalysts by one-step method was the sameoxidation of NO to NO , which adsorbed on the Lewis acid site (V ═O) to form V ═NO and inspired the fast SCR

Keywords： Low temperature SCR De-NOxsub> activity Sulfur resistance Ammonium sulfate

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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

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Design and operational considerations for selective catalytic reduction technologies at coal-fired boilers

Jeremy J. SCHREIFELS, Shuxiao WANG, Jiming HAO

Frontiers in Energy 2012, Volume 6, Issue 1, Pages 98-105 doi: 10.1007/s11708-012-0171-4

Abstract: introduced new NO emission control policies to encourage the installation of selective catalytic reduction (SCRThere is, however, limited experience with SCR in China.It is therefore useful to explore the lessons from the use of SCR technologies in other countries.challenges that, if not addressed, can reduce the reliability, performance, and cost-effectiveness of SCRIf these challenges are properly addressed, SCR can reliably and effectively remove up to 90% of NO

Keywords： nitrogen oxides (NOxsub>) coal selective catalytic reduction (SCR) air pollution

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Title Author Date Type Operation

CeO doping boosted low-temperature NH-SCR activity of FeTiO catalyst: A microstructure analysis and reaction

Journal Article

Denitrification performance and sulfur resistance mechanism of Sm–Mn catalyst for low temperature NH-SCR

Journal Article

Characterization and performance of V

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

Journal Article

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

Journal Article

Chemical poison and regeneration of SCR catalysts for NOxsub>

Junhua LI,Yue PENG,Huazhen CHANG,Xiang LI,John C. CRITTENDEN,Jiming HAO

Journal Article

The effect of preparation conditions of Pt/Al

Lei YUAN, Xiang ZHENG, Kaijiao DUAN, Hao HU, Jinggang WANG, Seong Ihl WOO, Zhiming LIU

Journal Article

Numerical simulation and experimental verification of chemical reactions for SCR DeNO

Qiang ZHANG, Yonglin FAN, Wenyan LI

Journal Article

NiBO (B = Mn or Co) catalysts for NH-SCR of NO at low-temperature in microwave field

Journal Article

Effect of alumina and zirconia as binders on the activity of Fe-BEA for NH

Jin Shi, Zihao Zhang, Mingxia Chen, Zhixiang Zhang, Wenfeng Shangguan, Shunchao Gu, Hirano Shin-ichi

Journal Article

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

Huan Liu, Zhen Ma

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

In-MOF-derived In2sub>S3sub>/Bi2sub>S3sub> heterojunction for enhanced photocatalytic

Journal Article

Effects of SO

Quanming Liang, Jian Li, Hong He, Wenjun Liang, Tiejun Zhang, Xing Fan

Journal Article

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

Journal Article

Design and operational considerations for selective catalytic reduction technologies at coal-fired boilers

Jeremy J. SCHREIFELS, Shuxiao WANG, Jiming HAO

Journal Article

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