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Decomposition of aqueous chlorinated contaminants by UV irradiation with H

Eunsung KAN,Chang-Il KOH,Kyunghyuk LEE,Joonwun KANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 429-435 doi: 10.1007/s11783-014-0677-6

Abstract: 2,4-DCP) in water by the ultraviolet (UV) light irradiation alone and H O /UV were experimentally investigatedlight sources (low and medium pressure Hg arc) in H O /UV processes.of H O resulted in a drastic enhancement of the 2,4-DCP decomposition rate.However, adding H O to the medium pressure UV lamp system rendered a negative oxidation rate becauseH O acted as a UV absorber being competitive with CCl due to negligible reaction between CCl and

Keywords： H2O2/ultraviolet (UV) light     advanced oxidation     UV light irradiation     chlorinated    

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Study on tribological and electrochemistry properties of metal materials in H2O2 solutions

Chengqing YUAN, Li YU, Jian LI, Xinping YAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 93-98 doi: 10.1007/s11465-012-0313-8

Abstract:

Hydrogen peroxide (H2O2) is a kind of ideal green propellant.sub>2O2.in H2O2 solutions, which has a great effect on wear, the decomposition andsub>2O2 solutions.sub>2O2 solutions.

Keywords： hydrogen peroxide     wear     corrosion     wear mechanism    

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Advanced Oxidation Process for DNAN Using UV/H2O2 Article

Hailei Su, Christos Christodoulatos, Benjamin Smolinski, Per Arienti, Greg O´Connor, Xiaoguang

Engineering 2019, Volume 5, Issue 5,   Pages 849-854 doi: 10.1016/j.eng.2019.08.003

Abstract: (UV) light and 1500–4500 ppm H2O2 in an initial pH range of 4–7.The results indicate that DNAN can easily be oxidized by UV/H2O2 treatment.the UV/H2O2 oxidation.Most of the nitrogen in DNAN was converted to nitrate by UV/H2O2 oxidation afterThe research results indicate that UV/H2O2 oxidation is a promising technique for

Keywords： 2     4-dinitroanisole     Advanced oxidation processes     Wastewater treatment     Photocatalysis    

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Development of H2O/CO2 co-electrolysis in solid oxide electrolysis cell

Fan Hui,Song Shidong,Han Minfang

Strategic Study of CAE 2013, Volume 15, Issue 2,   Pages 107-112

Abstract: The structure of SOEC, the recent development of high temperature steam/CO2 co-electrolysis from

Keywords： SOEC     H2O/CO2 co-electrolysis     syngas     electrolysis efficiency     water electrolysis    

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Phase equilibrium of the ternary system of NH 4 Cl—CaCl 2 —H 2 O at 50°C

Xia LI, Junsheng YUAN, Zhiyong JI, Jianxin CHEN,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 75-77 doi: 10.1007/s11705-009-0296-0

Abstract: The experimental results show that there are three pure phase crystal areas of NHCl, 2NHCl·CaCl·3HO and CaCl·2HO, two mixture phase crystal areas of NHCl and 2NHCl·CaCl·3HO, and2NHCl·CaCl·3HO and CaCl·2HO in the system.A new hydration double salt (2NHCl·CaCl·3HO) was found in the ternary equilibrium system for
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Investigation of the effects of humic acid and H 2 O 2 on the photocatalytic degradation of atrazine

Chao QIN, Shaogui YANG, Cheng SUN, Jia ZHOU, Manjun ZHAN, Rongjun WANG, Huanxing CAI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 321-328 doi: 10.1007/s11783-010-0238-6

Abstract: A solution of atrazine in a TiO suspension, an endocrine disruptor in natural water, was tentatively treated by microwave-assisted photocatalytic technique. The effects of mannitol, oxygen, humic acid, and hydrogen dioxide on the photodegradation rate were explored. The results could be deduced as follows: the photocatalytic degradation of atrazine fits the pseudo-first-order kinetic well with = 0.0328 s, and ·OH was identified as the dominant reactant. Photodegradation of atrazine was hindered in the presence of humic acid, and the retardation effect increased as the concentration of humic acid increased. HO displayed a significant negative influence on atrazine photocatalysis efficiency. Based on intermediates identified with gas chromatography-mass spectrometry (GC-MS) and Liquid chromatography-mass spectrometry (LC-MS/MS) techniques, the main degradation routes of atrazine are proposed.

Keywords： atrazine     retardation effect     photocatalysis     TiO2    

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Newly-modeled graphene-based ternary nanocomposite for the magnetophotocatalytic reduction of CO2 with

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1438-1459 doi: 10.1007/s11705-022-2166-y

Abstract: > and 2 times higher than those of AgCuZnS2–graphene and AgCuZnS2–TiO2 under ultra-violet (UV)-light (λ = 254 nm) irradiation in the photocatalytic process.conducted under different experimental conditions, such as various scan rates (mV·s–1), under UV-lightThe evolution of CO2 substantially improved under UV-light (λ = 254 nm) and with 0.07T magnetic-core treatment; these improvements were attributed to the facts that the UV-light activated

Keywords： ternary nanocomposite     photocatalytic     electrochemical CO2 reduction     UV-light     magnetic core    

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ZnFe2O4/BiVO4 Z-scheme heterojunction for efficient visible-light photocatalytic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1728-1740 doi: 10.1007/s11705-023-2322-z

Abstract: A novel Z-scheme ZnFe2O4/BiVO4 heterojunction photocatalyst was successfullysynthesized using a convenient solvothermal method and applied in the visible light photocatalytic degradationCompared with the single-phase counterparts, ZnFe2O4/BiVO4 demonstratedConsequently, the 30% ZnFe2O4/BiVO4 catalyst afforded a degradationMoreover, the as-synthesized ZnFe2O4/BiVO4 heterojunctions were quite

Keywords： ZnFe2O4/BiVO4     Z-scheme heterojunction     photocatalytic degradation    

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Optimization of the O/HO process with response surface methodology for pretreatment of mother liquor

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1371-5

Abstract:

• Real ML-GFW with high salinity and high organics was degraded by O3/H2O2 process.

Keywords： High salinity     High organic matters     Gas field wastewater     O3/H2O2    

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Evaluation of H2 on the Evolution Mechanism of NOx Storage and Reductionover Pt–Ba–Ce/γ-Al2O3 Catalysts Article

Pan Wang, Jing Yi, Chuan Sun, Peng Luo, Lili Lei

Engineering 2019, Volume 5, Issue 3,   Pages 568-575 doi: 10.1016/j.eng.2019.02.005

Abstract:

In this investigation, Pt–Ba–Ce/γ-Al2O3 catalysts were preparedby incipient wetness impregnation and experiments were performed to evaluate the influence of H2 onThe physical and chemical properties of the Pt–Ba–Ce/γ-Al2O3sub>, whose peaks were observed in X-ray diffraction (XRD) spectra, dispersed well on the γ-Al2O3The results revealed that increasing the content of H2 by an appropriate amount was favorable

Keywords： Pt–Ba–Ce/γ-Al2O3 catalysts     Physicochemical properties     NOx storageand reduction     NOx emission     H2 reductant    

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Interfacial charge transfer and photocatalytic activity in a reverse designed BiO/TiO core-shell

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 732-743 doi: 10.1007/s11708-021-0772-x

Abstract: /sub> and Bi2O3 layers were studied.the core-shell nanostructures were characterized by high-resolution transmission electron microscopy, UV-visibleThe results show the formation of homogenous TiO2 anatase and Bi2O3In optimal core-shell design, Bi2O3 collects holes from TiO2, leavingelectrons free to react and increase by 5 times the photocatalytic efficiency toward H2 generation

Keywords： photocatalysis     core-shell     heterojunction     H2     TiO2     Bi2O3   

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Events and reaction mechanisms during the synthesis of an Al

ZAKERI, H. BAHMANPOUR

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 123-129 doi: 10.1007/s11705-013-1325-6

Abstract: An Al O -TiB nanocomposite was successfully synthesized by the high energy ball milling of Al, B OThe composite started to form at milling times of 9–10 h but the reaction was not complete.The remaining starting materials were consumed by increasing the milling time to 15 h.Heat treatment of the 6-h milled sample at 1100 C led to a complete formation of the composite.Increasing the milling time to 15 h led to a refining of the crystallite sizes.

Keywords： ball milling     nanocomposite     Al2O3     TiB2    

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Ultraviolet exposure enhanced silicon direct bonding

Guanglan LIAO, Xuekun ZHANG, Xiaohui LIN, Canghai MA, Lei NIE, Tielin SHI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 87-92 doi: 10.1007/s11465-009-0078-x

Abstract: Ultraviolet (UV) exposure, as an additional technique following the traditional wet chemical activationThe effects of UV exposure on silicon wafers’ nano-topography and bonding strength are studied.It is found that the surface roughness of silicon wafers initially decreases and then increases with UVstrength increases sharply then gently with increasing annealing temperature and annealing time using UVUV exposure time, annealing temperature and annealing time remain unchanged.

Keywords： ultraviolet (UV) exposure     silicon direct bonding     bonding strength     reliability    

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and bacteriophage MS2 disinfection by UV, ozone and the combined UV and ozone processes

Jingyun FANG,Huiling LIU,Chii SHANG,Minzhen ZENG,Mengling NI,Wei LIU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 547-552 doi: 10.1007/s11783-013-0620-2

Abstract: The combination of low-dose ozone with ultraviolet (UV) irradiation should be an option to give benefitUV-followed-by-ozone (UV-ozone) and ozone-followed-by-UV (ozone-UV) exposures.In this study, inactivation of and bacteriophage MS2 by UV, ozone, UV/ozone coexposure, and sequentialUV-ozone and ozone-UV exposures was investigated and compared.The synergistic effect on MS2 inactivation was less significant after the UV/ozone coexposure, and more

Keywords： bacteria inactivation     photoreactivation     water disinfection     UV     ozone    

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Rh2O3/hexagonal CePO4 nanocatalysts for N2O 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: 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 NO than the Rh O supported on CePO nanorods.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.

Keywords： Rh2O3     CePO4     N2O decomposition    

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Title Author Date Type Operation

Decomposition of aqueous chlorinated contaminants by UV irradiation with H

Eunsung KAN,Chang-Il KOH,Kyunghyuk LEE,Joonwun KANG

Journal Article

Study on tribological and electrochemistry properties of metal materials in H2O2 solutions

Chengqing YUAN, Li YU, Jian LI, Xinping YAN

Journal Article

Advanced Oxidation Process for DNAN Using UV/H2O2

Hailei Su, Christos Christodoulatos, Benjamin Smolinski, Per Arienti, Greg O´Connor, Xiaoguang

Journal Article

Development of H2O/CO2 co-electrolysis in solid oxide electrolysis cell

Fan Hui,Song Shidong,Han Minfang

Journal Article

Phase equilibrium of the ternary system of NH 4 Cl—CaCl 2 —H 2 O at 50°C

Xia LI, Junsheng YUAN, Zhiyong JI, Jianxin CHEN,

Journal Article

Investigation of the effects of humic acid and H 2 O 2 on the photocatalytic degradation of atrazine

Chao QIN, Shaogui YANG, Cheng SUN, Jia ZHOU, Manjun ZHAN, Rongjun WANG, Huanxing CAI,

Journal Article

Newly-modeled graphene-based ternary nanocomposite for the magnetophotocatalytic reduction of CO2 with

Journal Article

ZnFe2O4/BiVO4 Z-scheme heterojunction for efficient visible-light photocatalytic

Journal Article

Optimization of the O/HO process with response surface methodology for pretreatment of mother liquor

Journal Article

Evaluation of H2 on the Evolution Mechanism of NOx Storage and Reductionover Pt–Ba–Ce/γ-Al2O3 Catalysts

Pan Wang, Jing Yi, Chuan Sun, Peng Luo, Lili Lei

Journal Article

Interfacial charge transfer and photocatalytic activity in a reverse designed BiO/TiO core-shell

Journal Article

Events and reaction mechanisms during the synthesis of an Al

ZAKERI, H. BAHMANPOUR

Journal Article

Ultraviolet exposure enhanced silicon direct bonding

Guanglan LIAO, Xuekun ZHANG, Xiaohui LIN, Canghai MA, Lei NIE, Tielin SHI,

Journal Article

and bacteriophage MS2 disinfection by UV, ozone and the combined UV and ozone processes

Jingyun FANG,Huiling LIU,Chii SHANG,Minzhen ZENG,Mengling NI,Wei LIU

Journal Article

Rh2O3/hexagonal CePO4 nanocatalysts for N2O decomposition

Huan Liu, Zhen Ma

Journal Article