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Variations in summertime ozone in Nanjing between 2015 and 2020: roles of meteorology, radical chainlength and ozone production efficiency

Frontiers of Environmental Science & Engineering 2024, Volume 18, Issue 11, doi: 10.1007/s11783-024-1897-z

Abstract:

● Temperature, relative humidity and wind field are influential meteorological factors.

Keywords： Ozone     Meteorological condition     Anthropogenic emission     OH radical chain length     OPE    

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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: However, less is known about the disinfection performance of UV and ozone (UV/ozone) coexposure and sequentialUV-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.Little enhancement on inactivation was found after the sequential UV-ozone or ozone-UV exposures.

Keywords： bacteria inactivation     photoreactivation     water disinfection     UV     ozone    

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Collaborative control of fine particles and ozone required in China for health benefit

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1692-2

Abstract:

● Increased DAAO offsets 3/4 of the decrease of DAAP in 2013–2020.

Keywords： Excess deaths     Long-term exposure     Fine particle     Ozone    

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Elucidate long-term changes of ozone in Shanghai based on an integrated machine learning method

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1738-5

Abstract:

● A novel integrated machine learning method to analyze O3 changes is proposed.

Keywords： Ozone     Integrated method     Machine learning    

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Photochemical indicators of ozone sensitivity: application in the Pearl River Delta, China

Lyumeng Ye,Xuemei Wang,Shaofeng Fan,Weihua Chen,Ming Chang,Shengzhen Zhou,Zhiyong Wu,Qi Fan

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0887-1

Abstract: Six popular ratios indicating ozone-precursor sensitivity, HCHO/NO , H O /HNO , O /NO , O /NO , O /HNOWRF-Chem was used to study a serious ozone episode in fall over the Pearl River Delta (PRD).All indicators produced good representations of the elevated ozone hours in the episode on 6 NovemberThe ozone episode on 16 November 16 2008 was used to independently verify the results, and it was foundthat only H O /HNO and H O /NO were able to differentiate the ozone sensitivity regime well.

Keywords： Ozone     Pearl River Delta (PRD)     Sensitivity regime     Photochemical indicator     Threshold levels    

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Prediction and cause investigation of ozone based on a double-stage attention mechanism recurrent neural

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1621-4

Abstract:

● Used a double-stage attention mechanism model to predict ozone.

Keywords： Ozone prediction     Deep learning     Time series     Attention     Volatile organic compounds    

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Catalytic decomposition of low level ozone with gold nanoparticles supported on activated carbon

Pengyi ZHANG , Bo ZHANG , Rui SHI ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 281-288 doi: 10.1007/s11783-009-0032-5

Abstract: by a sol immobilization method and were used to investigate their catalytic activity for low-level ozoneand X-ray photoelectron spectroscopy (XPS) were used to characterize the catalysts before and after ozonehumidity of 45%, the Au/AC catalyst maintained the ozone removal ratio at 90.7% after 2500minAfter being used for ozone decomposition, the surface carbon of the catalyst was partly oxidized andOzone was mainly catalytically decomposed by the gold nanoparticles supported on the activated carbon

Keywords： ozone decomposition     activated carbon     gold nanoparticles     catalysis     sodium citrate     microwave    

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Pyrene partition behavior to the NOM: Effect of NOM characteristics and its modification by ozone preoxidation

Jin GUO, Jun MA

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 56-61 doi: 10.1007/s11783-009-0003-x

Abstract: The effects of solution property, NOM characteristics, and modification by ozone preoxidation on pyrene

Keywords： natural organic matters (NOM)     pyrene     partition coefficient     ozone    

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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 effluent of a wastewater treatment plant was treated in a pilot plant for reclaimed water production through the denitrification biofilter (DNBF) process, ozonation (O ), and biologic aerated filtration (BAF). The combined process demonstrated good removal performance of conventional pollutants, including concentrations of chemical oxygen demand (27.8 mg·L ) and total nitrogen (9.9 mg·L ) in the final effluent, which met the local discharge standards and water reuse purposes. Micropollutants (e.g., antibiotics and endocrine-disrupting chemicals) were also significantly removed during the proposed process. Ozonation exhibited high antibiotic removal efficiencies, especially for tetracycline (94%). However, micropollutant removal efficiency was negatively affected by the nitrite produced by DNBF. Acute toxicity variations of the combined process were estimated by utilizing luminescent bacteria. Inhibition rate increased from 9% to 15% during ozonation. Carbonyl compound concentrations (e.g., aldehydes and ketones) also increased by 58% as by-products, which consequently increased toxicity. However, toxicity eventually became as low as that of the influent because the by-products were effectively removed by BAF. The combined DNBF/O /BAF process is suitable for the advanced treatment of reclaimed water because it can thoroughly remove pollutants and toxicity.

Keywords： wastewater treatment     micropollutant removal     ozonation     biofiltration     toxicity    

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Air pollution affects food security in China: taking ozone as an example

Zhaozhong FENG,Xuejun LIU,Fusuo ZHANG

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 2,   Pages 152-158 doi: 10.15302/J-FASE-2015067

Abstract: In this overview, we take ozone (O ) as an example to analyze the principles and extent of the impact

Keywords： air pollution     ozone damage     anthropogenic activity     crop production     mitigation of reactive N emission    

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Submerged arc plasma system combined with ozone oxidation for the treatment of wastewater containing

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1384-0

Abstract:

• Submerged arc plasma was introduced in terms of wastewater treatment.

Keywords： Thermal plasma     Submerged arc plasma     Wastewater     Ozone     Phenol     Highly energetic electron    

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Room temperature oxidation of acetone by ozone over alumina-supported manganese and cobalt mixed oxides

Mehraneh Ghavami, Mostafa Aghbolaghy, Jafar Soltan, Ning Chen

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 937-947 doi: 10.1007/s11705-019-1900-6

Abstract: It is concluded that lower oxidation state of the secondary metal improves ozone decomposition and oxidation

Keywords： ozone     VOC     manganese oxides     cobalt oxides     alumina support    

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High Spatial Resolution Ozone Profiles Retrieved from the First Chinese Ultraviolet–Visible Hyperspectral Article

Fei Zhao, Cheng Liu, Qihou Hu, Congzi Xia, Chengxin Zhang, Wenjing Su

Engineering 2024, Volume 32, Issue 1,   Pages 106-115 doi: 10.1016/j.eng.2023.02.020

Abstract:

Understanding the vertical distribution of ozone is crucial when assessing both its horizontal andand tropospheric column ozone also showed excellent agreement with ozonesonde data.ozone derived from the China National Environmental Monitoring Center (CNEMC).However, the upper layers (9.7–16.7 km) of the ozone profiles show different trends, with the ozoneThe increase in the CNEMC ozone concentration showed that downward transport enhanced surface ozone pollution

Keywords： Ozone profiles     EMI     Soft calibration     Floor noise correction     Stratospheric ozone intrusion    

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Numerical modeling of mass transfer processes coupling with reaction for the design of the ozone oxidation

Hong Li, Fang Yi, Xingang Li, Xin Gao

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 602-614 doi: 10.1007/s11705-020-1963-4

Abstract: A computational model for an ozone oxidation column reactor used in dyeing wastewater treatment is proposedto represent, simulate, and predict the ozone bubble process.Considering the hydrodynamics, mass transfer, and ozone oxidation reaction, coupling modeling can moreThe ozone consumption is influenced by the gas velocity and the initial ozone concentration.initial ozone concentrations.

Keywords： ozone     wastewater treatment     numerical simulation     mass transfer    

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Precursors and potential sources of ground-level ozone in suburban Shanghai

Kun Zhang, Jialuo Xu, Qing Huang, Lei Zhou, Qingyan Fu, Yusen Duan, Guangli Xiu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1271-8

Abstract: A high level of ozone (O3) is frequently observed in the suburbs of Shanghai, the reason for this highThe propylene-equivalent concentration (PEC) and ozone formation potential (OFP) were further calculatedThe Ozone Isopleth Plotting Research (OZIPR) model was used to reveal the impact of O3 precursors on

Keywords： Ozone     OZIPR     Volatile organic compounds     Shanghai     HYSPLIT    

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Title Author Date Type Operation

Variations in summertime ozone in Nanjing between 2015 and 2020: roles of meteorology, radical chainlength and ozone production efficiency

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

Collaborative control of fine particles and ozone required in China for health benefit

Journal Article

Elucidate long-term changes of ozone in Shanghai based on an integrated machine learning method

Journal Article

Photochemical indicators of ozone sensitivity: application in the Pearl River Delta, China

Lyumeng Ye,Xuemei Wang,Shaofeng Fan,Weihua Chen,Ming Chang,Shengzhen Zhou,Zhiyong Wu,Qi Fan

Journal Article

Prediction and cause investigation of ozone based on a double-stage attention mechanism recurrent neural

Journal Article

Catalytic decomposition of low level ozone with gold nanoparticles supported on activated carbon

Pengyi ZHANG , Bo ZHANG , Rui SHI ,

Journal Article

Pyrene partition behavior to the NOM: Effect of NOM characteristics and its modification by ozone preoxidation

Jin GUO, Jun MA

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

Air pollution affects food security in China: taking ozone as an example

Zhaozhong FENG,Xuejun LIU,Fusuo ZHANG

Journal Article

Submerged arc plasma system combined with ozone oxidation for the treatment of wastewater containing

Journal Article

Room temperature oxidation of acetone by ozone over alumina-supported manganese and cobalt mixed oxides

Mehraneh Ghavami, Mostafa Aghbolaghy, Jafar Soltan, Ning Chen

Journal Article

High Spatial Resolution Ozone Profiles Retrieved from the First Chinese Ultraviolet–Visible Hyperspectral

Fei Zhao, Cheng Liu, Qihou Hu, Congzi Xia, Chengxin Zhang, Wenjing Su

Journal Article

Numerical modeling of mass transfer processes coupling with reaction for the design of the ozone oxidation

Hong Li, Fang Yi, Xingang Li, Xin Gao

Journal Article

Precursors and potential sources of ground-level ozone in suburban Shanghai

Kun Zhang, Jialuo Xu, Qing Huang, Lei Zhou, Qingyan Fu, Yusen Duan, Guangli Xiu

Journal Article