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An electrochemical process that uses an Fe

Chaojie Jiang, Lifen Liu, John C. Crittenden

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0860-z

Abstract: A bio-electrochemical fuel cell reactor with cathodic Fe /TiO generates electricity. It destroys recalcitrant pollutants in cathode chamber without photocatalysis. Fe /TiO generates reactive oxygenated species in the dark or under photocatalysis. Cathodic produced ROS (hydroxy radical/superoxide radical) can degrade tetracycline or dyes. Electricity generation is enhanced by semiconductor catalyzed cathodic degradation of pollutants. In this study, a new water treatment system that couples (photo-) electrochemical catalysis (PEC or EC) in a microbial fuel cell (MFC) was configured using a stainless-steel (SS) cathode coated with Fe /TiO . We examined the destruction of methylene blue (MB) and tetracycline. Fe /TiO was prepared using a chemical reduction-deposition method and coated onto an SS wire mesh (500 mesh) using a sol technique. The anode generates electricity using microbes (bio-anode). Connected via wire and ohmic resistance, the system requires a short reaction time and operates at a low cost by effectively removing 94% MB (initial concentration 20 mg·L ) and 83% TOC/TOC under visible light illumination (50 W; 1.99 mW·cm for 120 min, MFC-PEC). The removal was similar even without light irradiation (MFC-EC). The of the MFC-PEC system was approximately 0.675 kWh·m ·order , whereas that of the MFC-EC system was zero. The system was able to remove 70% COD in tetracycline solution (initial tetracycline concentration 100 mg·L ) after 120 min of visible light illumination; without light, the removal was 15% lower. The destruction of MB and tetracycline in both traditional photocatalysis and photoelectrocatalysis systems was notably low. The electron spin-resonance spectroscopy (ESR) study demonstrated that ·OH was formed under visible light, and ·O was formed without light. The bio-electricity-activated O and ROS (reactive oxidizing species) generation by Fe /TiO effectively degraded the pollutants. This cathodic degradation improved the electricity generation by accepting and consuming more electrons from the bio-anode.

Keywords： Bio-anode Photocatalytic cathode Fe0sup>/TiO2sub> ESR Dye and antibiotics Advanced oxidation

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Performance and mechanism of carbamazepine removal by FeS-SO process: experimental investigation and DFT calculations

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1713-1

Abstract:

● Synergistic removal of carbamazepine (CBZ) was obtained in the FeS-S2sub>O8sub>2–sup> process.

Keywords： FeS S2sub>O8sub>2–sup> Carbamazepine DFT calculations Degradation routes

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Calculation of H2sub>+sup> Structural Parameters based on Hydrogen Atomic Protonized Model

Chen Jing

Strategic Study of CAE 2004, Volume 6, Issue 11, Pages 29-32

Abstract:

The hydrogen atomic protonized model was introduced in present paper for calculation of H2sub>+sup> structural parameters.>esub>=2a0sub>, Keywords： hydrogen molecule ion bond-length bond-energy force constant

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Application of Fe

Xiaowei ZHANG,Qinyan YUE,Dongting YUE,Baoyu GAO,Xiaojuan WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3, Pages 402-410 doi: 10.1007/s11783-014-0659-8

Abstract: The optimum conditions for wastewater treatment were: AR73, influent pH of 4, HRT of 2 h and aeration

Keywords： Fe0sup>/C/Clay ceramics micro-electrolysis Acid Red 73 Reactive Blue 4 synthetic wastewater

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Metal-Free Hexagonal Perovskite High-Energetic Materials with NH3sub>OH+sup>/NH2sub>NH3sub>+sup> 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: >2sub>dabco)B(ClO4sub>)3sub> (H2sub>dabco2+sup> = 1,4-diazabicyclo[2.2.2>+sup> and NH2sub>NH3sub>+sup> as B-site cations, respectively.Compared with their NH4sub>+sup> analog ((H2sub>dabco)(NH4sub>)(ClO4/sub>) = 375.3 °C), a high detonation velocity (D = 8.883 km·s‒1sup>), and(CL-20; Q = 6.23 kJ·g‒1sup>; Ispsub> = 264.8 s).

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

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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 NH4sub>+sup>/NO3sub>–sup

Keywords： Anammox Denitrification FeS NH4sub>+sup>/NO3sub>−sup> Sulfammox

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Facile synthesis and enhanced visible-light photocatalytic activity of Ti

Xiaojie Zhang,Lei Wang,Shuqing Chen,Yi Huang,Zhuonan Song,Miao Yu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3, Pages 349-358 doi: 10.1007/s11705-015-1523-5

Abstract: Ti -doped TiO nanosheets with tunable phase composition (doped TiO (A/R)) were synthesized via a hydrothermal method with high surface area anatase TiO nanosheets TiO (A) as a substrate, structure directing agent, and inhibitor; the activity was evaluated using a probe reaction-photocatalytic CO conversion to methane under visible light irradiation with H as an electron donor and hydrogen source. High-resolution transmission electron microscope (HRTEM), field emission scanning electron microscope, UV-Vis diffuse reflectance spectra, and X-ray diffraction (XRD) etc., were used to characterize the photocatalysts. XRD and HRTEM measurements confirmed the existence of anatase-rutile phase junction, while Ti and single-electron-trapped oxygen vacancy in the doped TiO (A/R) photocatalyst were revealed byelectron paramagnetic resonance (EPR) measurements. Effects of hydrothermal synthesis temperature and the amount of added anatase TiO on the photocatalytic activity were elucidated. Significantly enhanced photocatalytic activity of doped TiO (A/R) was observed; under the optimized synthesis conditions, CH generation rate of doped TiO (A/R) was 2.3 times that of Ti -doped rutile TiO .

Keywords： Ti3+sup>-doped TiO2sub> photocatalytic CO2sub> conversion visible light irradiation

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Engineering a Coordinatively Unsaturated Au–O–Ti3+sup> Structure Toward Unprecedented H2sub> Efficiency for Low-Temperature Propene Epoxidation with H2sub> and O2sub> Article

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Engineering 2023, Volume 25, Issue 6, Pages 144-156 doi: 10.1016/j.eng.2023.01.008

Abstract: as the active sites for propene epoxidation with H2sub> and O2sub> at a relatively hightemperature, although they are limited by poor H2sub> efficiency.>2sub> adsorption ability of the catalyst and promoting the in situ formation of H2sub>O2sub> and the Ti–OOH intermediate, even at a low temperature.The insights and methodology reported here not only shed new light on maximizing H2sub> efficiency

Keywords： Propene epoxidation H2sub> efficiency Au/Ti bifunctional catalysts Coordinatively unsaturated

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Deciphering the effect of sodium dodecylbenzene sulfonate on up-flow anaerobic sludge blanket treatment of synthetic sulfate-containing wastewater

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1385-z

Abstract:

• UASB reactor can work efficiently with high COD/SO4sub>2sup>-sup> ratios when SDBS exists.

Keywords： Up-flow anaerobic sludge blanket Organic sulfur Sodium dodecylbenzene sulfonate COD/SO4sub>2sup>−sup> ratio Microbial community

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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 loadingsthreshold of 0.061 mmol 100 m–2sup>, equaling to a weight percentage around 4.5%.It has been revealed that the quantities of surface active oxygen (O2sub>–sup>) and acidcapacity, possesses the most abundant active O2sub>–sup> 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>–sup> anions

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The Method and Formula for Stability Factor of Slope with State of Soil Original Stress

Wang Guoti

Strategic Study of CAE 2006, Volume 8, Issue 12, Pages 80-84

Abstract: In different conditions of soil consolidation, K0sub>, the lateral stress coefficient of soil

Keywords： ateral stress coefficient K0sub> state of original stress formula of safety factor of stability

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Enabling nickel ferrocyanide nanoparticles for high-performance ammonium ion storage

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2, Pages 226-235 doi: 10.1007/s11705-022-2198-3

Abstract: Here, we report a Ni2sub>Fe(CN)6sub>/multiwalled carbon nanotube composite electrode materialThe existence of multiwalled carbon nanotube ensures that the Ni2sub>Fe(CN)6sub>/multiwalled>–1sup> at 1 C and 43.2 mAh·g–1sup> even at 15 C.Furthermore, detailed ex situ characterizations demonstrate that Ni2sub>Fe(CN)6subTherefore, the Ni2sub>Fe(CN)6sub>/multiwalled carbon nanotube composite presents a long

Keywords： nickel ferrocyanides NH4sub>+sup> electrochemistry Prussian blue aqueous ammonium ion

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Selective recovery of Cu

Haiping LUO,Bangyu QIN,Guangli LIU,Renduo ZHANG,Yabo TANG,Yanping HOU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3, Pages 522-527 doi: 10.1007/s11783-014-0633-5

Abstract: As the bioelectrochemical system, the microbial fuel cell (MFC) and the microbial electrolysis cell (MEC) were developed to selectively recover Cu and Ni ions from wastewater. The wastewater was treated in the cathode chambers of the system, in which Cu and Ni ions were removed by using the MFC and the MEC, respectively. At an initial Cu concentration of 500 mg·L , removal efficiencies of Cu increased from 97.0%±1.8% to 99.0%±0.3% with the initial Ni concentrations from 250 to 1000 mg·L , and maximum power densities increased from 3.1±0.5 to 5.4±0.6 W·m . The Ni removal mass in the MEC increased from 6.8±0.2 to 20.5±1.5 mg with the increase of Ni concentrations. At an initial Ni concentration of 500 mg·L , Cu removal efficiencies decreased from 99.1%±0.3% to 74.2%±3.8% with the initial Cu concentrations from 250 to 1000 mg·L , and maximum power densities increased from 3.0±0.1 to 6.3±1.2 W·m . Subsequently, the Ni removal efficiencies decreased from 96.9%±3.1% to 73.3%±5.4%. The results clearly demonstrated the feasibility of selective recovery of Cu and Ni from the wastewater using the bioelectrochemical system.

Keywords： bioelectrochemical system Cu2+sup> Ni2+sup> selective recovery

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NETO2 promotes melanoma progression via activation of the Ca/CaMKII signaling pathway

Frontiers of Medicine 2023, Volume 17, Issue 2, Pages 263-274 doi: 10.1007/s11684-022-0935-0

Abstract: Neuropilin and tolloid-like 2 (NETO2) is closely related to tumorigenesis.However, the functional significance of NETO2 in melanoma progression remains unclear.invasion by downregulating the levels of calcium ions (Ca2+sup>) and the expression of key genesBy contrast, NETO2 overexpression had the opposite effects.indicating that targeting NETO2 may effectively improve melanoma treatment.

Keywords： melanoma neuropilin and tolloid-like 2 Ca2+sup>/CaMKII signaling pathway

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Effects of ancillary ligands in acceptorless benzyl alcohol dehydrogenation mediated by phosphine-free cobalt complexes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3, Pages 314-325 doi: 10.1007/s11705-022-2219-2

Abstract: Herein, we synthesized a phosphine-free η5sup>-C5sub>Me5sub>-Co complex by usingThe improved performance among the class of η5sup>-C5sub>Me5sub>-Co complexes could>5sup>-C5sub>Me5sub>-Co complexes by a set of characterizations.The results showed that the redox-active ligand has a significant influence on the η5sup>-C<subThe electron population demonstrated that the η5sup>-C5sub>Me5sub> ligand played

Keywords： acceptorless alcohol dehydrogenation η5sup>-C5sub>Me5sub>-Co metal–ligand cooperation

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Title Author Date Type Operation

An electrochemical process that uses an Fe

Chaojie Jiang, Lifen Liu, John C. Crittenden

Journal Article

Performance and mechanism of carbamazepine removal by FeS-SO process: experimental investigation and DFT calculations

Journal Article

Calculation of H2sub>+sup> Structural Parameters based on Hydrogen Atomic Protonized Model

Chen Jing

Journal Article

Application of Fe

Xiaowei ZHANG,Qinyan YUE,Dongting YUE,Baoyu GAO,Xiaojuan WANG

Journal Article

Metal-Free Hexagonal Perovskite High-Energetic Materials with NH3sub>OH+sup>/NH2sub>NH3sub>+sup> 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

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

Journal Article

Facile synthesis and enhanced visible-light photocatalytic activity of Ti

Xiaojie Zhang,Lei Wang,Shuqing Chen,Yi Huang,Zhuonan Song,Miao Yu

Journal Article

Engineering a Coordinatively Unsaturated Au–O–Ti3+sup> Structure Toward Unprecedented H2sub> Efficiency for Low-Temperature Propene Epoxidation with H2sub> and O2sub>

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Journal Article

Deciphering the effect of sodium dodecylbenzene sulfonate on up-flow anaerobic sludge blanket treatment of synthetic sulfate-containing wastewater

Journal Article

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

Journal Article

The Method and Formula for Stability Factor of Slope with State of Soil Original Stress

Wang Guoti

Journal Article

Enabling nickel ferrocyanide nanoparticles for high-performance ammonium ion storage

Journal Article

Selective recovery of Cu

Haiping LUO,Bangyu QIN,Guangli LIU,Renduo ZHANG,Yabo TANG,Yanping HOU

Journal Article

NETO2 promotes melanoma progression via activation of the Ca/CaMKII signaling pathway

Journal Article

Effects of ancillary ligands in acceptorless benzyl alcohol dehydrogenation mediated by phosphine-free cobalt complexes

Journal Article

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