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Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reductionof NO with NH3sub>

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

Abstract: 3sub>) were synthesized and used for the selective catalytic reduction (SCR) of NO by NH3NH3sub>-SCR performances were conducted in the temperature range of 80 to 400 °C.> Ce2sub>(SO4sub>)3sub>, which is in agreement with their abilities of NH3<> on NH3sub>-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 NH3sub> adsorption

Keywords： CePO4sub> CeVO4sub> Ce2sub>(SO4sub>)3sub> selective catalytic reduction

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On the monolayer dispersion behavior of Co3sub>O4sub> 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: have been prepared for selective catalytic reduction of nitrogen oxides by ammonia.sites are crucial for the reaction, which can adsorb and activate NOxsub> and NH3is favorable to generate the two kinds of active sites, hence promoting the performance of ammonia selectivecatalytic reduction of nitrogen oxide.capacity 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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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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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 ).The effects of O and SO on catalytic activity were also studied.

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

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Multi-stage ammonia production for sorption selective catalytic reduction of NO

Chen ZHANG, Guoliang AN, Liwei WANG, Shaofei WU

Frontiers in Energy 2022, Volume 16, Issue 5, Pages 840-851 doi: 10.1007/s11708-021-0797-1

Abstract: Sorption selective catalytic reduction of nitrogen oxides (NOxsub>) (sorption-SCR) hasever been proposed for replacing commercial urea selective catalytic reduction of NOxsubExcept for the single-stage ammonia production cycle with MnCl2sub>, other sorption-SCR strategiesall present overwhelming advantages over urea-SCR considering the much higher NOxsub>of AdBlue for urea-SCR.

Keywords： selective catalytic reduction (SCR) nitrogen oxides (NOxsub>) ammonia composite sorbent

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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: Protection (MEP) has introduced new NO emission control policies to encourage the installation of selectivecatalytic reduction (SCR) technologies on a large number of coal-fired electric power plants.There 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.If 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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Effects of support acidity on the reaction mechanisms of selective catalytic reduction of NO by CH

Shicheng XU, Junhua LI, Dong YANG, Jiming HAO

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2, Pages 186-193 doi: 10.1007/s11783-009-0016-5

Abstract: The reaction mechanisms of selective catalytic reduction (SCR) of nitric oxide (NO) by methane (CH )acidity of solid superacid played an important role in determining the reaction mechanisms and the catalyticnsted acid sites would not necessarily lead to better catalytic performance, however, since the activeThe reaction involving NO moiety was likely to be determined by the step of reduction of NO.Therefore, to enhance the SCR activity of solid superacid catalysts, reactions between appropriate couples

Keywords： selective catalytic reduction (SCR) nitric oxide (NO) methane support acidity Br?nsted acid sites NOysub> species

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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.manganese oxide promoted ZrO -CeO catalysts were prepared by a homogeneous precipitation method for the selectivecatalytic reduction of NO with NH .microscope (HR-TEM), Brunauer–Emmett–Teller (BET) surface area analysis, H temperature-programmed reduction-SCR activity.

Keywords： NH3sub>-selective catalytic reduction NOxsub> Low temperature Cr-Zr-Ce

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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 showedexcellent activities and sulfur resistances for the selective catalytic reduction of NOxsub> by NH3sub> between 50 and 300 °C in the presence of excess oxygen. 0.10Sm–Mn catalyst indicatedbetter catalytic activity and sulfur resistance.Therefore, it significantly enhances the NO conversion, N2sub> selectivity, and sulfur resistance

Keywords： MnOxsub> Sm–Mn catalyst NH3sub>-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:

• 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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Metal-organic framework loaded manganese oxides as efficient catalysts for low-temperature selectivecatalytic reduction of NO with NH

Minhua Zhang, Baojuan Huang, Haoxi Jiang, Yifei Chen

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4, Pages 594-602 doi: 10.1007/s11705-017-1668-5

Abstract: A mild deposition method was used to fabricate Mn-based catalysts on a UiO-66 carrier for the selectivecatalytic reduction of NO by NH (NH -SCR).The catalyst with 8.5 wt-% MnO loading had the highest catalytic activity for NH -SCR with a wide temperaturethe MnO and the Zr oxide secondary building units of the UiO-66 which has a positive effect on the catalytic

Keywords： metal-organic framework selective catalytic reduction manganese oxides deNOxsub> SO2sub> resistance

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Effect of K and Ca on catalytic activity of Mn-CeO

Boxiong SHEN, Lidan DENG, Jianhong CHEN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4, Pages 512-517 doi: 10.1007/s11783-013-0519-y

Abstract: Mn-CeO /Ti-pillared clay (PILC) is an attractive catalyst for selective catalytic reduction of NO atinvestigate the effect of K and Ca on the physicochemical characters of the catalysts, the techniques of NHThe activities of Mn-CeO /Ti-PILC, (Ca)Mn-CeO /Ti-PILC and (K)Mn-CeO /Ti-PILC for NH -selective catalyticreduction (SCR) reaction at low temperature were investigated.The results showed that with the dopes of K and Ca on the catalysts, the SCR activities of the catalysts

Keywords： Mn-CeOxsub>/Ti-pillared clay (PILC) low-temperature selective catalytic reduction(SCR) K and Ca poisoning effect

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Insight into the promotion mechanism of activated carbon on the monolithic honeycomb red mud catalyst for selectivecatalytic reduction of NO

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1337-7

Abstract:

• Activated carbon was proposed to be an efficient accelerant for molded red mud catalyst.

Keywords： NOxsub> Selective catalytic reduction Iron-based catalyst Red mud Monolithic catalyst

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Highly selective catalytic hydrodeoxygenation of guaiacol to cyclohexane over Pt/TiO

Zhong HE,Xianqin WANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3, Pages 369-377 doi: 10.1007/s11705-014-1435-9

Abstract: Catalysts Pt/TiO and NiMo/Al O are highly active and selective for the hydrodeoxygenation of guaiacolNiMo/Al O and Pt/Al O are more active and selective for cyclohexane formation as compared with Pt/TiO

Keywords： Pt/TiO2sub> NiMo/Al2sub>O3sub> Pt/Al2sub>O3sub> bio-oil hydrodeoxygenation

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Investigation of fluorescence characterization and electrochemical behavior on the catalysts of nanosized Pt-Rh/γ-Al

Chang-Mao HUNG, Wen-Liang LAI, Jane-Li LIN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3, Pages 428-434 doi: 10.1007/s11783-013-0517-0

Abstract: at temperatures range from 423K to 673K by selective catalytic oxidation (SCO) over a nanosized Pt-Rhwas removed by catalytic oxidation over the nanosized Pt-Rh/γ-Al O catalyst.Further, it reveals that the oxidation of NH was proceeds by the over-oxidation of NH into NO, whichactivity toward NH oxidation.Results obtained from the CV may explain the significant catalytic activity of the catalysts.

Keywords： ammonia (NH3sub>) nanosized Pt-Rh/γ-Al2sub>O3sub> catalyst excitation-emission fluorescentmatrix (EEFM) selective catalytic oxidation (SCO) tubular fixed-bed reactor (TFBR)

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Title Author Date Type Operation

Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reductionof NO with NH3sub>

Journal Article

On the monolayer dispersion behavior of Co3sub>O4sub> on HZSM-5 support: designing applicablecatalysts for selective catalytic reduction of nitrogen oxides by ammonia

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

Multi-stage ammonia production for sorption selective catalytic reduction of NO

Chen ZHANG, Guoliang AN, Liwei WANG, Shaofei WU

Journal Article

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

Jeremy J. SCHREIFELS, Shuxiao WANG, Jiming HAO

Journal Article

Effects of support acidity on the reaction mechanisms of selective catalytic reduction of NO by CH

Shicheng XU, Junhua LI, Dong YANG, Jiming HAO

Journal Article

Promotion of transition metal oxides on the NH

Weiman Li, Haidi Liu, Yunfa Chen

Journal Article

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

Metal-organic framework loaded manganese oxides as efficient catalysts for low-temperature selectivecatalytic reduction of NO with NH

Minhua Zhang, Baojuan Huang, Haoxi Jiang, Yifei Chen

Journal Article

Effect of K and Ca on catalytic activity of Mn-CeO

Boxiong SHEN, Lidan DENG, Jianhong CHEN

Journal Article

Insight into the promotion mechanism of activated carbon on the monolithic honeycomb red mud catalyst for selectivecatalytic reduction of NO

Journal Article

Highly selective catalytic hydrodeoxygenation of guaiacol to cyclohexane over Pt/TiO

Zhong HE,Xianqin WANG

Journal Article

Investigation of fluorescence characterization and electrochemical behavior on the catalysts of nanosized Pt-Rh/γ-Al

Chang-Mao HUNG, Wen-Liang LAI, Jane-Li LIN

Journal Article

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