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Identification and ecotoxicity assessment of intermediates generated during the degradation of clofibric acid by advancedoxidation processes

Wenzhen LI, Yu DING, Qian SUI, Shuguang LU, Zhaofu QIU, Kuangfei LIN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 445-454 doi: 10.1007/s11783-012-0419-6

Abstract: The aim of this study was to identify the intermediates in clofibric acid degradation under various advancedoxidation processes, namely ultraviolet (UV), UV/H O , vacuum ultraviolet (VUV), VUV/H O , and solar

Keywords： clofibric acid     advanced oxidation processes     intermediates     toxicity     Photobacterium phosphoreum    

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Combined process of biofiltration and ozone oxidation as an advanced treatment process for wastewater

Xinwei LI,Hanchang SHI,Kuixiao LI,Liang ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1076-1083 doi: 10.1007/s11783-015-0770-5

Abstract: The combined DNBF/O /BAF process is suitable for the advanced treatment of reclaimed water because it

Keywords： wastewater treatment     micropollutant removal     ozonation     biofiltration     toxicity    

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Oxidative treatment of aqueous monochlorobenzene with thermally-activated persulfate

Qishi LUO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 188-194 doi: 10.1007/s11783-013-0544-x

Abstract: The oxidation of aqueous monochlorobenzene (MCB) solutions using thermally- activated persulfate hasThe influence of reaction temperature on the kinetics of MCB oxidation was examined, and the ArrenhiusEquation rate constants at 20°C, 30°C, 40°C, 50°C, and 60°C for MCB oxidation performance were calculatedThe most efficient molar ratio of persulfate/MCB for MCB oxidation was determined to be 200 to 1 andThe effective thermally activated persulfate oxidation of MCB in groundwater from a real contaminated

Keywords： persulfate     monochlorobenzene     advanced oxidation process    

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Transfer-Promoted Fe2+/Fe3+ Circulation Steered by 3D Flow-Through Co-Catalyst System Toward Sustainable AdvancedOxidation Processes

Weiyang Lv,Hao Li,Jinhui Wang,Lixin Wang,Zenglong Wu,Yuge Wang,Wenkai Song,Wenkai Cheng,Yuyuan Yao,

Engineering doi: 10.1016/j.eng.2023.06.010

Abstract: Realizing fast and continuous generation of reactive oxygen species (ROSs) via iron-based advanced oxidation

Keywords： Advanced oxidation processes     3D co-catalyst     Flow-through mode     Enhanced mass transfer     Complex wastewater    

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Oxidation and biotoxicity assessment of microcystin-LR using different AOPs based on UV, O

Siyi Lu, Naiyu Wang, Can Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1030-2

Abstract: The removal characteristics of UV/H O and O /H O advanced oxidation processes and their individualbiotoxicity results about these UV/H O , O /H O and O -alone processes all present rising trends with oxidation

Keywords： Microcystin-LR     Advanced oxidation processes (AOPs)     Biotoxicity     Synergistic effects    

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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 Meng

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

Abstract: Photocatalyzed hydrogen peroxide (H2O2) oxidation experiments and chemical analysesThose reaction intermediates were oxidized to carbon dioxide (CO2) at a slower rate than the oxidationbecause the solution pH decreased rapidly to about 3 during the UV/H2O2 oxidationMost 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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Occurrence of bisphenol A in surface and drinking waters and its physicochemical removal technologies

Liping LIANG,Jing ZHANG,Pian FENG,Cong LI,Yuying HUANG,Bingzhi DONG,Lina LI,Xiaohong GUAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 16-38 doi: 10.1007/s11783-014-0697-2

Abstract: The physicochemical technology options in eliminating BPA can be divided into four categories: oxidation, advanced oxidation, adsorption and membrane filtration.Oxidation and advanced oxidation generally can remove BPA efficiently while they also have some drawbacksOnly few advanced oxidation methods have been reported to be able to mineralize BPA completely.Hybrid processes, e.g. combining adsorption and biologic process or combining membrane and oxidation

Keywords： Bisphenol A (BPA)     occurrence     conventional oxidation     advanced oxidation     adsorption     membrane filtration    

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Identification of resistant pharmaceuticals in ozonation using QSAR modeling and their fate in electro-peroxone process

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1394-6

Abstract:

• Effect of converting ozonation to E-peroxone was studied on pharmaceutical removal.

Keywords： Ozone     Electro-peroxone     Wastewater     Quantitative structure activity relationship     Advanced oxidation    

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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     Fe0/TiO2     ESR     Dye and antibiotics     Advanced oxidation    

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A photolysis coefficient for characterizing the response of aqueous constituents to photolysis

David R. HOKANSON,Ke LI,R. Rhodes TRUSSELL

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 428-437 doi: 10.1007/s11783-015-0780-3

Abstract: UV photolysis and UV based advanced oxidation processes (AOPs) are gaining more and more attention for

Keywords： UV photolysis     disinfection     advanced oxidation     N-nitrosodimethylamine     quantum yield     absorption    

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Accelerated degradation of orange G over a widepH range in the presence of FeVO

Xiaoxia Ou, Jianfang Yan, Fengjie Zhang, Chunhua Zhang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1013-3

Abstract: In this study, FeVO was prepared andused as Fenton-like catalyst to degrade orange G (OG) dye. The removalof OG in an aqueous solution containing 0.5 g·L FeVO and 15 mmol·L hydrogen peroxide at pH 7.0 reached 93.2%. Similar rates were achievedat pH 5.7 ( = 0.0471 min ), pH 7.0 ( = 0.0438 min ), and pH 7.7 ( = 0.0434 min ). The FeVO catalyst successfullyovercomes the problem faced in the heterogeneous Fenton process, i.e.,the narrow working pH range. The data for the removal of OG in FeVO systems containing H O conform to the Langmuir–Hinshelwood model ( = 0.9988),indicating that adsorption and surface reaction are the two basicmechanisms for OG removal in the FeVO –H O system. Furthermore, the irradiationof FeVO by visible light significantly increasesthe degradation rate of OG, which is attributed to the enhanced ratesof the iron cycles and vanadium cycles.

Keywords： Azo dye     Degradation     FeVO4     Kinetics     Advanced oxidation processes    

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Enhanced triallyl isocyanurate (TAIC) degradation through application of an O

Yapeng Song, Hui Gong, Jianbing Wang, Fengmin Chang, Kaijun Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1243-z

Abstract: . • pH impacted oxidation processes with pH of 9 achieving maximum efficiency. • CO32– negatively impactedthrough the application of independent O3 and O3/UV processes. pH impacted both the direct and indirect oxidation

Keywords： Triallyl isocyanurate     O3/UV     Advanced oxidation processes (AOP)     Degradation pathway    

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Advanced nitrogen removal by pulsed sequencing batch reactors (SBR) with real-time control

YANG Qing, PENG Yongzhen, YANG Anming, LI Jianfeng, GUO Jianhua

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 488-492 doi: 10.1007/s11783-007-0078-1

Abstract: The feasibility of pH and oxidation reduction potential (ORP) as on-line control parameters to advance

Keywords： reduction potential     oxidation reduction     operational     feasibility     nitrogen    

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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: However, adding H O to the medium pressure UV lamp system rendered a negative oxidation rate because

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

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Evaluation of the technoeconomic feasibility of electrochemical hydrogen peroxide production for decentralized water treatment

Yang Li, Yixin Zhang, Guangshen Xia, Juhong Zhan, Gang Yu, Yujue Wang

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1293-2

Abstract: Abstract • Gas diffusion electrode (GDE) is a suitable setup for practical water treatment. • Electrochemical H2O2 production is an economically competitive technology. • High current efficiency of H2O2 production was obtained with GDE at 5–400 mA/cm2. • GDE maintained high stability for H2O2 production for ~1000 h. • Electro-generation of H2O2 enhances ibuprofen removal in an E-peroxone process. This study evaluated the feasibility of electrochemical hydrogen peroxide (H2O2) production with gas diffusion electrode (GDE) for decentralized water treatment. Carbon black-polytetrafluoroethylene GDEs were prepared and tested in a continuous flow electrochemical cell for H2O2 production from oxygen reduction. Results showed that because of the effective oxygen transfer in GDEs, the electrode maintained high apparent current efficiencies (ACEs,>80%) for H2O2 production over a wide current density range of 5–400 mA/cm2, and H2O2 production rates as high as ~202 mg/h/cm2 could be obtained. Long-term stability test showed that the GDE maintained high ACEs (>85%) and low energy consumption (<10 kWh/kg H2O2) for H2O2 production for 42 d (~1000 h). However, the ACEs then decreased to ~70% in the following 4 days because water flooding of GDE pores considerably impeded oxygen transport at the late stage of the trial. Based on an electrode lifetime of 46 days, the overall cost for H2O2 production was estimated to be ~0.88 $/kg H2O2, including an electricity cost of 0.61 $/kg and an electrode capital cost of 0.27 $/kg. With a 9 cm2 GDE and 40 mA/cm2 current density, ~2–4 mg/L of H2O2 could be produced on site for the electro-peroxone treatment of a 1.2 m3/d groundwater flow, which considerably enhanced ibuprofen abatement compared with ozonation alone (~43%–59% vs. 7%). These findings suggest that electrochemical H2O2 production with GDEs holds great promise for the development of compact treatment technologies for decentralized water treatment at a household and community level.

Keywords： Advanced oxidation process     Electro-peroxone     Gas diffusion electrode     Hydrogen peroxide     Oxygen reduction    

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Title Author Date Type Operation

Identification and ecotoxicity assessment of intermediates generated during the degradation of clofibric acid by advancedoxidation processes

Wenzhen LI, Yu DING, Qian SUI, Shuguang LU, Zhaofu QIU, Kuangfei LIN

Journal Article

Combined process of biofiltration and ozone oxidation as an advanced treatment process for wastewater

Xinwei LI,Hanchang SHI,Kuixiao LI,Liang ZHANG

Journal Article

Oxidative treatment of aqueous monochlorobenzene with thermally-activated persulfate

Qishi LUO

Journal Article

Transfer-Promoted Fe2+/Fe3+ Circulation Steered by 3D Flow-Through Co-Catalyst System Toward Sustainable AdvancedOxidation Processes

Weiyang Lv,Hao Li,Jinhui Wang,Lixin Wang,Zenglong Wu,Yuge Wang,Wenkai Song,Wenkai Cheng,Yuyuan Yao,

Journal Article

Oxidation and biotoxicity assessment of microcystin-LR using different AOPs based on UV, O

Siyi Lu, Naiyu Wang, Can Wang

Journal Article

Advanced Oxidation Process for DNAN Using UV/H2O2

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

Journal Article

Occurrence of bisphenol A in surface and drinking waters and its physicochemical removal technologies

Liping LIANG,Jing ZHANG,Pian FENG,Cong LI,Yuying HUANG,Bingzhi DONG,Lina LI,Xiaohong GUAN

Journal Article

Identification of resistant pharmaceuticals in ozonation using QSAR modeling and their fate in electro-peroxone process

Journal Article

An electrochemical process that uses an Fe

Chaojie Jiang, Lifen Liu, John C. Crittenden

Journal Article

A photolysis coefficient for characterizing the response of aqueous constituents to photolysis

David R. HOKANSON,Ke LI,R. Rhodes TRUSSELL

Journal Article

Accelerated degradation of orange G over a widepH range in the presence of FeVO

Xiaoxia Ou, Jianfang Yan, Fengjie Zhang, Chunhua Zhang

Journal Article

Enhanced triallyl isocyanurate (TAIC) degradation through application of an O

Yapeng Song, Hui Gong, Jianbing Wang, Fengmin Chang, Kaijun Wang

Journal Article

Advanced nitrogen removal by pulsed sequencing batch reactors (SBR) with real-time control

YANG Qing, PENG Yongzhen, YANG Anming, LI Jianfeng, GUO Jianhua

Journal Article

Decomposition of aqueous chlorinated contaminants by UV irradiation with H

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

Journal Article

Evaluation of the technoeconomic feasibility of electrochemical hydrogen peroxide production for decentralized water treatment

Yang Li, Yixin Zhang, Guangshen Xia, Juhong Zhan, Gang Yu, Yujue Wang

Journal Article