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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: activities and sulfur resistances for the selective catalytic reduction of NOx by NH3 between 50 and 300 °C in the presence of excess oxygen. 0.10Sm–Mn catalyst indicated better

Keywords： MnOx     Sm–Mn     catalyst     NH3-SCR     sulfur resistance    

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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:

• CeO2 doping significantly improved low-temperature NH3-SCR activity on FeTiOx.

Keywords： NH3-SCR     CeO2 doping     Low-temperature NOx removal     Improved redox    

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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 NH3-SCR reaction over spinel

Keywords： Microwave field     Spinel oxides     NOx     Selective catalytic reduction    

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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(NH ).

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

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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 dispersionand acid sites are crucial for the reaction, which can adsorb and activate NOx and NH3 reactants effectively.capacity amount of Co3O4 onto HZSM-5 support.

Keywords： Co3O4/ZSM-5     NOx-SCR by NH3     monolayer dispersion    

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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： NH3-SCR     NO     Fe-BEA     Binder     Alumina     Zirconia    

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Metal-Free Hexagonal Perovskite High-Energetic Materials with NH3OH+/NH2NH3+ as B-site Cations Article

Yu Shang, Zhi-Hong Yu, Rui-Kang Huang, Shao-Li Chen, De-Xuan Liu, Xiao-Xian Chen, Wei-Xiong Zhang, Xiao-Ming Chen

Engineering 2020, Volume 6, Issue 9,   Pages 1013-1018 doi: 10.1016/j.eng.2020.05.018

Abstract: which are named as DAP-6 and DAP-7 with a general formula of (H2dabco)B(ClO4)3NH3OH+ and NH2NH3+ as B-site cations, respectivelyCompared with their NH4+ analog ((H2dabco)(NH4)(ClO4)3; DAP-4), which has a cubic perovskite structure, DAP-6 and DAP-7 have higher crystal

Keywords： Energetic materials     Single explosive     Solid propellant     Metal-free     Hexagonal perovskite    

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different acid anions on highly efficient Ce-based catalysts for selective catalytic reduction of NO with NH3

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1399-1411 doi: 10.1007/s11705-023-2345-5

Abstract: /sub>) were synthesized and used for the selective catalytic reduction (SCR) of NO by NH3.NH3-SCR performances were conducted in the temperature range of 80 to 400 °C./sub>, which is in agreement with their abilities of NH3 adsorption capacities.> on NH3-SCR performances of Ce-based catalysts was systematically investigated by the X-rayThe key factors that can enhance the SCR are the existence of Ce4+, large NH3 adsorption

Keywords： CePO4     CeVO4     Ce2(SO4)3     selective catalytic reduction    

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Removal of ammonium and nitrate through Anammox and FeS-driven autotrophic denitrification

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1674-4

Abstract:

● Simultaneous NH4+/NO3–

Keywords： Anammox     Denitrification     FeS     NH4+/NO3−     Sulfammox    

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Ammonia adsorption on graphene and graphene oxide: a first-principles study

Yue PENG, Junhua LI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 403-411 doi: 10.1007/s11783-013-0491-6

Abstract: The optimal adsorption and orientation of the NH molecules on the graphene surfaces were determined,and the adsorption energies ( ) as well as the Mulliken charge transfers of NH were calculated.The surface epoxy or hydroxyl groups can promote the adsorption of NH on the GO; the enhancement of

Keywords： graphene oxide     first-principles calculations     NH3 adsorption    

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Selective reduction of NO by photo-SCR with ammonia in an annular fixed-film photoreactor

YiangChen CHOU, Young KU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 149-155 doi: 10.1007/s11783-010-0296-9

Abstract: photocatalytically reduced at room temperature by photo-assisted selective catalytic reduction (photo-SCRkinetic model proposed in this study can be used to reasonably describe the reaction mechanism of photo-SCR

Keywords： photo-SCR     photocatalysis     NO reduction     Eley-Rideal model    

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Promotion of transition metal oxides on the NH

Weiman Li, Haidi Liu, Yunfa Chen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0914-x

Abstract: Manganese and chromium oxides promote the NH -SCR activity of Zr-Ce mixed oxide.More acid sites and higher reducibility may responsible for the high SCR ability.were prepared by a homogeneous precipitation method for the selective catalytic reduction of NO with NH-SCR activity.Cr-Zr-Ce and Mn-Zr-Ce catalysts are much more active than ZrO -CeO binary oxide for the low temperature NH

Keywords： NH3-selective catalytic reduction     NOx     Low temperature     Cr-Zr-Ce    

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Influence of HS and NH on biogas dry reforming using Ni catalyst: a study on single and synergetic effect

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1632-1

Abstract:

● NH3 in biogas had a slight inhibitory effect on dry

Keywords： Biogas     Dry reforming     Sulfur poisoning     Ammonia     Synergetic effect     Hydrogen    

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Precise regulation of acid pretreatment for red mud SCR catalyst: Targeting on optimizing the acidity

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1447-x

Abstract:

• The optimum SCR activity was realized by tuning the acid pretreatment

Keywords： Air pollution control     Nitrogen oxides     Selective catalytic reduction     Red mud     Solid waste utilization    

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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     NOx     removal efficiency     chemical reactions     simulation    

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Title Author Date Type Operation

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

Journal Article

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

Journal Article

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

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 Co3O4 on HZSM-5 support: designing applicable

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

Metal-Free Hexagonal Perovskite High-Energetic Materials with NH3OH+/NH2NH3+ as B-site Cations

Yu Shang, Zhi-Hong Yu, Rui-Kang Huang, Shao-Li Chen, De-Xuan Liu, Xiao-Xian Chen, Wei-Xiong Zhang, Xiao-Ming Chen

Journal Article

different acid anions on highly efficient Ce-based catalysts for selective catalytic reduction of NO with NH3

Journal Article

Removal of ammonium and nitrate through Anammox and FeS-driven autotrophic denitrification

Journal Article

Ammonia adsorption on graphene and graphene oxide: a first-principles study

Yue PENG, Junhua LI

Journal Article

Selective reduction of NO by photo-SCR with ammonia in an annular fixed-film photoreactor

YiangChen CHOU, Young KU

Journal Article

Promotion of transition metal oxides on the NH

Weiman Li, Haidi Liu, Yunfa Chen

Journal Article

Influence of HS and NH on biogas dry reforming using Ni catalyst: a study on single and synergetic effect

Journal Article

Precise regulation of acid pretreatment for red mud SCR catalyst: Targeting on optimizing the acidity

Journal Article

Numerical simulation and experimental verification of chemical reactions for SCR DeNO

Qiang ZHANG, Yonglin FAN, Wenyan LI

Journal Article