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Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Frontiers in Energy doi: 10.1007/s11708-023-0908-2

Abstract: ammonia is a green and mild new method for preparing ammonia, which can directly convert nitrogen or nitrateHerein, the basic mechanism of the nitrogen reduction reaction (NRR) to ammonia and nitrate reductionreaction ( Keywords： electrochemical ammonia synthesis     nitrogen     nitrate     nitrogen reduction reaction (NRR) to ammonia     nitratereduction reaction (NO<sup>–3sup> RR)    

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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<sup>+sup>/NO3<sup>–sup

Keywords： Anammox     Denitrification     FeS     NH4<sup>+sup>/NO3<sup>−sup>     Sulfammox    

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On the monolayer dispersion behavior of Co3O4 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 NOx and NH3generate the two kinds of active sites, hence promoting the performance of ammonia selective catalytic reductionreaction performance. 4% Co3O4/ZSM-5, the catalyst close to the monolayer dispersiondemonstrating the best reaction performance in all the samples.

Keywords： Co3O4/ZSM-5     NOx-SCR by NH3     monolayer dispersionthreshold effect     surface acid sites     surface active O2<sup>–sup> anions    

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LYX: A novel aerobic bacterium with advantage of removing nitrate high effectively by assimilation and

Yuxin Li, Jiayin Ling, Pengcheng Chen, Jinliang Chen, Ruizhi Dai, Jinsong Liao, Jiejing Yu, Yanbin Xu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1349-3

Abstract: Abstract • Pseudomonas mendocina was first reported for aerobic nitrate removal. • It removed 90% ofNO3−-N in 24 h under aerobic conditions. • This strain converted NO3−-N to bio-nitrogen (37.9%) andUnder the condition of nitrate as the sole nitrogen source, this strain removed over 90% of NO3−-N withAmong them, 37.9% of NO3−-N was assimilated into Bio-N, about 51.9% was reduced to gaseous nitrogen andless than 0.5% of nitrogen was replaced by NO2−-N and NH4+-N, 9.7% NO3−-N remained in the effluent at

Keywords： Pseudomonas mendocina     Aerobic nitrate removal     <sup>15sup>N tracing technique     Denitrification assimilatively    

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Fabrication of three-dimensional porous La-doped SrTiO3 microspheres with enhanced visible light catalyticactivity for Cr(VI) reduction

Dong Yang, Xiaoyan Zou, Yuanyuan Sun, Zhenwei Tong, Zhongyi Jiang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 440-449 doi: 10.1007/s11705-018-1700-4

Abstract: 3 were employed as the template and the La resource, respectively.The La element was doped into the crystal lattice of SrTiO3 by the substitution of La<sup>3+sup> for Sr<sup>2+sup>.LST samples shifts toward the visible light region, and their photocatalytic activity for the Cr(VI) reductionAmong all LST samples, LST-0.5 (the La<sup>3+sup> doping content is 0.5 wt-%) exhibited the highest

Keywords： SrTiO3     La<sup>3+sup> doping     porous microsphere     visible-light photocatalysis     Cr(VI) reduction    

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Studies on catalytic reduction of nitrate in groundwater

GENG Bing, ZHU Yanfang, JIN Zhaohui, LI Tielong, KANG Haiyan, WANG Shuaima

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 357-361 doi: 10.1007/s11783-007-0061-x

Abstract: Catalytic reduction of nitrate in groundwater by sodium formate over the catalyst was investigated.It was found that total nitrogen was effectively removed from the nitrate solution (100 mg/L) and theaffected by pH, catalyst amount used, concentration of sodium formate, and initial concentration of nitrateIn which case, catalytic reduction followed the first order kinetics.

Keywords： dispersive     electron microscopy     considerable decrease     Catalytic reduction     brunauer-emmett-teller    

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Effect of exhaust gas recirculation and ethyl hexyl nitrate additive on biodiesel fuelled diesel enginefor the reduction of NO

K. VENKATESWARLU, B. S. R MURTHY, V. V. SUBBARAO, K. Vijaya KUMAR

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 304-310 doi: 10.1007/s11708-012-0195-9

Abstract: present experimental work, a combination of exhaust gas recirculation and cetane improver ethyl hexyl nitratebrake thermal efficiency increases with the increase in the percentage of EGR which is accompanied by a reduction

Keywords： additive     exhaust gas recirculation (EGR)     emissions     ethyl hexyl nitrate (EHN)     performance    

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Synthesis of nanoiron by microemulsion with Span/Tween as mixed surfactants for reduction of nitrate

ZHANG Yunxia, LI Tielong, JIN Zhaohui, WANG Wei, WANG Shuaima

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 466-470 doi: 10.1007/s11783-007-0074-5

Abstract: Denitrification of nitrate in groundwater using iron nanoparticles has received increasing interest in

Keywords： spherical     distribution     groundwater     interest     Denitrification    

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Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 348-361 doi: 10.1007/s11783-011-0343-1

Abstract: process analysis (PA) scheme for gas and particulate matter (PM) to study the formation of secondary nitrateSecondary nitrate is formed in the urban areas from near the ground to a few hundred meters above theThe secondary nitrate formation rate in rural areas is lower due to lower NO .During the stagnant days, process analysis indicates that the nitrate concentration in the upper airof surface nitrate concentration.

Keywords： secondary nitrate aerosol     N2O5 heterogeneous reaction     process analysis    

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Large-scale synthesis of isolated Mn2O3 nanotube/fiber with ferric nitrate as catalyst

ZHANG Aifei, LIU Jiping, L? Guangshu

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 55-58 doi: 10.1007/s11705-007-0011-y

Abstract: selectively synthesized by controlling the contents and proportions of potassium permanganate and ferric nitrateFerric nitrate was an ideal catalyst for the preparation of O nanotube/fiber.When cobalt nitrate or nickel nitrate was used as catalyst, only amorphous nano-O was synthesized.

Keywords： different     nickel     exterior diameter     nanotube     XRD    

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Heterometallic cluster-based organic frameworks as highly active electrocatalysts for oxygen reductionand oxygen evolution reaction: a density functional theory study

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 570-580 doi: 10.1007/s11705-022-2247-y

Abstract: The oxygen reduction reaction and oxygen evolution reaction catalytic activities of heterometallic cluster-basedAmong all heterometallic clusters, Fe2Mn–Mn has a minimum overpotential of 0.35 V for oxygen reductionreaction, and Fe2Co–Co possesses the smallest overpotential of 0.32 V for oxygen evolutionreaction, respectively 100 and 50 mV lower than those of Pt(111) and RuO2(110) catalysts.Additionally, the catalytic activity of Fe2Mn and Fe2Co connected through 3,3′,

Keywords： bimetallic metal–organic frameworks     bifunctional electrocatalyst     density functional theory     oxygen reductionreaction     oxygen evolution reaction    

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Effects of La, Ce on nitrogen removal in sequencing batch reactor

Qing XIA , Rui LIANG , Yuning HONG , Lili DING , Hongqiang REN , Yuxiang MAO , Mingyu ZHAO ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 369-374 doi: 10.1007/s11783-009-0036-1

Abstract: REEs were higher than 1mg/L, the total inorganic nitrogen removal efficiency decreased, and nitrateinorganic nitrogen removal efficiency was less than 30% of the control efficiency with a high level of nitrate

Keywords： rare earth     La<sup>3+sup>     Ce<sup>3+sup>     inorganic nitrogen     nitrogen removal     sequencing batch reactor    

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Catalytic reduction for water treatment

Maocong Hu, Yin Liu, Zhenhua Yao, Liping Ma, Xianqin Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0972-0

Abstract: Treating water contaminants via heterogeneously catalyzed reduction reaction is a subject of growingcontaminants in water, which covers hydrodehalogenation for wastewater treatment and hydrogenation of nitrateFor hydrogenation, hydrogenation of nitrate/nitrite contaminants in water is mainly focused.Several important nitrate reduction catalysts are discussed relating to their preparation method andreaction is illustrated.

Keywords： Halogenated compounds     Nitrate/nitrite contaminants     Hydrodechloriantion     Hydrogenation     Wastewater treatment    

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Effect of noble metal nanoparticle size on C–N bond cleavage performance in hydrodenitrogenation: a study of active sites

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1986-2000 doi: 10.1007/s11705-023-2337-5

Abstract: So, Ru catalysts with variable nanoparticle sizes were obtained by modulating the reduction temperature, and the catalytic activity was evaluated using 1,2,3,4-tetrahydroquinoline and o-propylanilineResults showed a 13 times higher reaction rate for sp<sup>3sup>-hybridized C–N bond cleavage than sp<sup>2sup>-hybridized C–N bond cleavage, while the reaction rate tended to increase first and then

Keywords： sp<sup>3sup>/sp<sup>2sup>-hybridized C–N bond     noble metal nanoparticle     catalytic active site     turnover    

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RR1 and RR2 gene deletion affects the immunogenicity of a live attenuated pseudorabies

Shijun YAN,He YAN,Chaolin ZHANG,Tongyan WANG,Qingyuan YANG,Zhe SUN,Yan XIAO,Feifei TAN,Xiangdong LI,Kegong TIAN

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 81-86 doi: 10.15302/J-FASE-2016088

Abstract: virulence-determining genes, and encode the small subunit and large subunit of viral ribonucleotide reductase (RR

Keywords： pseudorabies virus     RR1 and RR2     ribonucleotide reductase     vaccine candidate    

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Title Author Date Type Operation

Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Journal Article

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

Journal Article

On the monolayer dispersion behavior of Co3O4 on HZSM-5 support: designing applicablecatalysts for selective catalytic reduction of nitrogen oxides by ammonia

Journal Article

LYX: A novel aerobic bacterium with advantage of removing nitrate high effectively by assimilation and

Yuxin Li, Jiayin Ling, Pengcheng Chen, Jinliang Chen, Ruizhi Dai, Jinsong Liao, Jiejing Yu, Yanbin Xu

Journal Article

Fabrication of three-dimensional porous La-doped SrTiO3 microspheres with enhanced visible light catalyticactivity for Cr(VI) reduction

Dong Yang, Xiaoyan Zou, Yuanyuan Sun, Zhenwei Tong, Zhongyi Jiang

Journal Article

Studies on catalytic reduction of nitrate in groundwater

GENG Bing, ZHU Yanfang, JIN Zhaohui, LI Tielong, KANG Haiyan, WANG Shuaima

Journal Article

Effect of exhaust gas recirculation and ethyl hexyl nitrate additive on biodiesel fuelled diesel enginefor the reduction of NO

K. VENKATESWARLU, B. S. R MURTHY, V. V. SUBBARAO, K. Vijaya KUMAR

Journal Article

Synthesis of nanoiron by microemulsion with Span/Tween as mixed surfactants for reduction of nitrate

ZHANG Yunxia, LI Tielong, JIN Zhaohui, WANG Wei, WANG Shuaima

Journal Article

Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Journal Article

Large-scale synthesis of isolated Mn2O3 nanotube/fiber with ferric nitrate as catalyst

ZHANG Aifei, LIU Jiping, L? Guangshu

Journal Article

Heterometallic cluster-based organic frameworks as highly active electrocatalysts for oxygen reductionand oxygen evolution reaction: a density functional theory study

Journal Article

Effects of La, Ce on nitrogen removal in sequencing batch reactor

Qing XIA , Rui LIANG , Yuning HONG , Lili DING , Hongqiang REN , Yuxiang MAO , Mingyu ZHAO ,

Journal Article

Catalytic reduction for water treatment

Maocong Hu, Yin Liu, Zhenhua Yao, Liping Ma, Xianqin Wang

Journal Article

Effect of noble metal nanoparticle size on C–N bond cleavage performance in hydrodenitrogenation: a study of active sites

Journal Article

RR1 and RR2 gene deletion affects the immunogenicity of a live attenuated pseudorabies

Shijun YAN,He YAN,Chaolin ZHANG,Tongyan WANG,Qingyuan YANG,Zhe SUN,Yan XIAO,Feifei TAN,Xiangdong LI,Kegong TIAN

Journal Article