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Effects of two transition metal sulfate salts on secondary organic aerosol formation in toluene/NO

Biwu CHU, Jiming HAO, Junhua LI, Hideto TAKEKAWA, Kun WANG, Jingkun JIANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 1-9 doi: 10.1007/s11783-012-0476-x

Abstract: Aerosol phase reactions play a very important role on secondary organic aerosol (SOA) formation, andThese observations are consistent when varying metal sulfate aerosol concentrations.Their subsequent partitioning into the aerosol phase leads to the observed SOA formation enhancement.

Keywords： manganese sulfate     zinc sulfate     seed aerosols     toluene photooxidation     secondary organic aerosol    

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Response of organic aerosol characteristics to emission reduction in Yangtze River Delta region

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1714-0

Abstract:

● The emission reduction causes significant change in organic aerosol

Keywords： Emission control     Secondary organic aerosol     Atmospheric oxidizing capacity     Holiday effects     COVID-19    

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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: include a process analysis (PA) scheme for gas and particulate matter (PM) to study the formation of secondarynitrate aerosol during a stagnant wintertime air pollution episode during the California Regional PMSecondary 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 .reactions with water vapor and the N O heterogeneous reactions with particle-bound water are important for secondary

Keywords： secondary nitrate aerosol     N2O5 heterogeneous reaction     process analysis    

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Formation of secondary inorganic aerosol in a frigid urban atmosphere

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1452-0

Abstract:

•Harbin showed relatively high threshold RH (80%) for apparent increase of SOR.

Keywords： Haze     Sulfate     Nitrate     Heterogeneous chemistry     Biomass burning     Northeast China    

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Screening the emission sources of volatile organic compounds (VOCs) in China by multi-effects evaluation

He NIU,Ziwei MO,Min SHAO,Sihua LU,Shaodong XIE

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0828-z

Abstract: Volatile organic compounds (VOCs) play important roles in the atmosphere via three main pathways: photochemicalozone formation, secondary organic aerosol production, and direct toxicity to humans.updated emission inventories and source profiles, by combining the ozone formation potential (OFP), secondaryorganic aerosol potential (SOAP), and VOC toxicity data.

Keywords： Ozone formation     Secondary organic aerosol     Multi-effects evaluation     VOC abatement strategy    

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Secondary aerosol formation in winter haze over the Beijing-Tianjin-Hebei Region, China

Dongjie Shang, Jianfei Peng, Song Guo, Zhijun Wu, Min Hu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1326-x

Abstract: of secondary aerosol formation in winter haze of North China are reviewed. • Directions in future studiesof secondary aerosol formation are provided.During heavy haze episodes, the concentrations of secondary aerosol components, including sulfate, nitrateand secondary organics, in aerosol particles increase sharply, acting as the main contributors to aerosolof gas phase reaction, nucleation and heterogeneous reactions in forming secondary aerosols.

Keywords： Secondary aerosol formation     Regional haze     Photochemical reaction     Aqueous reaction     Chemical mechanism    

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Size-resolved aerosol ionic composition and secondary formation at Mount Heng in South Central China

Xinfeng WANG, Wenxing WANG, Likun XUE, Xiaomei GAO, Wei NIE, Yangchun YU, Yang ZHOU, Lingxiao YANG, Qingzhu ZHANG, Tao WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 815-826 doi: 10.1007/s11783-013-0503-6

Abstract: To understand the size-resolved aerosol ionic composition and the factors influencing secondary aerosolformation in the upper boundary layer in South Central China, size-segregated aerosol samples were collectedthe summit of Mount Heng (1269 m asl), followed by subsequent laboratory analyses of 13 inorganic and organicapproximately one-third of the nitrates were distributed in the fine mode, and high humidity facilitated the secondary

Keywords： aerosol water-soluble ions     size distributions     secondary formation     dust storm     Mount Heng    

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Mechanisms for simultaneous ozonation of sulfamethoxazole and natural organic matters in secondary effluent

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1368-0

Abstract:

• SMX was mainly degraded by hydrolysis, isoxazole oxidation and double-bond addition.

Keywords： Sulfamethoxazole     Ozonation     Natural organic matters     Secondary effluent     Degradation mechanism    

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Effects of seed particles Al

Xiao Zhang, Biwu Chu, Junhua Li, Chaozhi Zhang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0936-4

Abstract: Seed particles Al O , Al (SO ) and H SO were selected to investigate their effects on secondary aerosol

Keywords： Seed particle     Secondary aerosol     Sulfur dioxide     Ammonia     Acid-catalyzing effect    

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Effects of Co2+ on the erythromycin biosynthesis

DU Wen, CHEN Changhua

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 246-250 doi: 10.1007/s11705-007-0044-2

Abstract: Erythromycin biosynthesis is a highly complicated process, which involves both primary metabolism and secondaryThe specific activities of the enzymes involved in secondary metabolism, such as methylmalonyl-coenzymeSome organic acids contained in fermentation broth were also analyzed.

Keywords： secondary metabolism     organic     fermentation     process     phosphofructokinase    

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Organic nitrogen in PM

Qian ZHANG,Fengkui DUAN,Kebin HE,Yongliang MA,Haiyan LI,Takashi KIMOTO,Aihua ZHENG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1004-1014 doi: 10.1007/s11783-015-0799-5

Abstract: Nitrogenous species, as important chemical components in PM , include organic nitrogen (ON) and inorganicDust related source and anthropogenic emission related secondary source are identified as important sourcesAt heavy pollution loads, ON sources are more of secondary formation, possibly strengthened by combination

Keywords： organic nitrogen     N:C ratio     secondary     day and night variation     relative humidity (RH)     acidity    

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On secondary new particle formation in China

Markku Kulmala,Tuukka Petäjä,Veli-Matti Kerminen,Joni Kujansuu,Taina Ruuskanen,Aijun Ding,Wei Nie,Min Hu,Zhibin Wang,Zhijun Wu,Lin Wang,Douglas R. Worsnop

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0850-1

Abstract: Formation of new atmospheric aerosol particles is a global phenomenon that has been observed to takeThis paper summaries the recent advances in studying secondary new aerosol formation in China and showsFormation of new atmospheric aerosol particles is a global phenomenon that has been observed to takeall environments there appears to be a threshold value of the condensation sink (due to pre-existing aerosol

Keywords： Aerosol particles     Heavily-polluted environments     Condensation sink     New particle production     Megacities    

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Characterization of submicron aerosols in the urban outflow of the central Pearl River Delta region of China

Zhaoheng GONG, Zijuan LAN, Lian XUE, Liwu ZENG, Lingyan HE, Xiaofeng HUANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 725-733 doi: 10.1007/s11783-012-0441-8

Abstract: Submicron aerosol particles (with aerodynamic diameters less than 1 μm, PM ) were sampled and measuredGuangzhou megacity in Pearl River Delta in South China, using an Aerodyne High-Resolution Time-of-Flight AerosolThe mean PM mass concentration measured was 47.9±17.0 μg·m during the campaign, with organic aerosolThe average ratio of organic mass over organic carbon mass (OM/OC) was 1.73±0.08.aerosol components, which on average accounted for 18.0%, 14.3%, 28.8% and 38.9% of the total organic

Keywords： organic aerosol     high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS)     positive matrix    

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Computational fluid dynamics simulation of aerosol transport and deposition

Yingjie TANG, Bing GUO

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 362-377 doi: 10.1007/s11783-011-0365-8

Abstract: In this article computational fluid dynamics (CFD) simulation of aerosol transport and deposition, i.e. the transport and deposition of particles in an aerosol, is reviewed.The review gives a brief account of the basics of aerosol mechanics, followed by a description of theincluding CFD simulation of particle deposition in human respiratory tract and particle deposition in aerosolHowever, it is possible to take a balanced approach toward quantitative description of aerosol dispersion

Keywords： computational fluid dynamics (CFD)     aerosol     transport     deposition    

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Calculation of collision frequency function for aerosol particles in free molecule regime in presence

Xiaowei LUO, Yannick BENICHOU, Suyuan YU

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 506-510 doi: 10.1007/s11708-013-0275-5

Abstract: The collision frequency function for aerosol particles has already been calculated for the free molecule

Keywords： aerosol particles     collision frequency function     coagulation    

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Title Author Date Type Operation

Effects of two transition metal sulfate salts on secondary organic aerosol formation in toluene/NO

Biwu CHU, Jiming HAO, Junhua LI, Hideto TAKEKAWA, Kun WANG, Jingkun JIANG

Journal Article

Response of organic aerosol characteristics to emission reduction in Yangtze River Delta region

Journal Article

Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Journal Article

Formation of secondary inorganic aerosol in a frigid urban atmosphere

Journal Article

Screening the emission sources of volatile organic compounds (VOCs) in China by multi-effects evaluation

He NIU,Ziwei MO,Min SHAO,Sihua LU,Shaodong XIE

Journal Article

Secondary aerosol formation in winter haze over the Beijing-Tianjin-Hebei Region, China

Dongjie Shang, Jianfei Peng, Song Guo, Zhijun Wu, Min Hu

Journal Article

Size-resolved aerosol ionic composition and secondary formation at Mount Heng in South Central China

Xinfeng WANG, Wenxing WANG, Likun XUE, Xiaomei GAO, Wei NIE, Yangchun YU, Yang ZHOU, Lingxiao YANG, Qingzhu ZHANG, Tao WANG

Journal Article

Mechanisms for simultaneous ozonation of sulfamethoxazole and natural organic matters in secondary effluent

Journal Article

Effects of seed particles Al

Xiao Zhang, Biwu Chu, Junhua Li, Chaozhi Zhang

Journal Article

Effects of Co2+ on the erythromycin biosynthesis

DU Wen, CHEN Changhua

Journal Article

Organic nitrogen in PM

Qian ZHANG,Fengkui DUAN,Kebin HE,Yongliang MA,Haiyan LI,Takashi KIMOTO,Aihua ZHENG

Journal Article

On secondary new particle formation in China

Markku Kulmala,Tuukka Petäjä,Veli-Matti Kerminen,Joni Kujansuu,Taina Ruuskanen,Aijun Ding,Wei Nie,Min Hu,Zhibin Wang,Zhijun Wu,Lin Wang,Douglas R. Worsnop

Journal Article

Characterization of submicron aerosols in the urban outflow of the central Pearl River Delta region of China

Zhaoheng GONG, Zijuan LAN, Lian XUE, Liwu ZENG, Lingyan HE, Xiaofeng HUANG

Journal Article

Computational fluid dynamics simulation of aerosol transport and deposition

Yingjie TANG, Bing GUO

Journal Article

Calculation of collision frequency function for aerosol particles in free molecule regime in presence

Xiaowei LUO, Yannick BENICHOU, Suyuan YU

Journal Article