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Simultaneous analysis of five taste and odor compounds in surface water using solid-phase extraction

Wenfeng SUN, Ruibao JIA, Baoyu GAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 66-74 doi: 10.1007/s11783-010-0257-3

Abstract: (SPE) and gas chromatography-mass spectrometry (GC-MS) was developed to simultaneously analyze five tasteand odor compounds in surface water, i.e., 2-methylisoborneol (2-MIB), 2,4,6-trichloroanisole (TCA),Additionally, concentrations of these taste and odor compounds in Jinan’s surface and drinking waterwere analyzed by applying this method, and the results showed that GSM and 2-MIB were the dominant tasteand odor compounds in Jinan’s raw water.

Keywords： solid-phase extraction (SPE)     gas chromatography-mass spectrometry (GC-MS)     taste and odor compounds     surface    

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Trace analysis of off-flavor/odor compounds in water using liquid-liquid microextraction coupled with

Jian LU,Paul S. WILLS,P. CHRIS WILSON

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 477-481 doi: 10.1007/s11783-015-0820-z

Abstract: A rapid, inexpensive and laboratory friendly method was developed for analysis of off-flavor/odor compoundsOff-flavor/odor compounds included geosmin, 2-methylisoborneol (MIB), 2-isobutyl-3-methyoxypyrazine (

Keywords： off-flavor/odor compounds     liquid-liquid microextraction     gas chromatography-tandem mass spectrometry    

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Kinetics of oxidation of dimethyl trisulfide by potassium permanganate in drinking water

Xiaoyan MA, Shifei HU, Hongyu WANG, Jun LI, Jing HUANG, Yun ZHANG, Weigang LU, Qingsong LI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 171-176 doi: 10.1007/s11783-011-0319-1

Abstract: Recently, in China, taste and odor outbreaks in drinking water supply have become increasingly commonand odor issues and can be removed effectively by usual oxidation agents.permanganate in water had been studied; influence factors such as pH, organic substrate, other existed taste, and odor contaminant in equivalent concentration were also discussed.compounds (e.g.

Keywords： odor and taste     oxidation reaction     reaction kinetics     water treatment    

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Simultaneous removal of hydrogen sulfide and volatile organic sulfur compounds in off-gas mixture from

Shihao Sun, Tipei Jia, Kaiqi Chen, Yongzhen Peng, Liang Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1148-x

Abstract:

A two-stage BTF system was established treating odorous off-gas mixture from a WWTP.

The two-stage BTF system showed resistance for the lifting load of H2S and VOSC.

Miseq Illumina sequencing showed separated functional microbial community in BTFs.

Avoiding H2S inhibition and enhancement of VOSC degradation was achieved.

Key control point was discussed to help industrial application of the system.

Keywords： Odor     Two-stage bio-trickling filter process     Bio-trickling filter     Hydrogen sulfide     Volatile organic sulfur    

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Occurrence of odor problems in drinking water of major cities across China

SUN Daolin,YU Jianwei,YANG Min,AN Wei,ZHAO Yunyun,LU Ning,YUAN Shengguang,ZHANG Dongqing

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 411-416 doi: 10.1007/s11783-013-0577-1

Abstract: A comprehensive investigation into the occurrence of odor problem at 111 drinking water treatment plantsEighty percent of source water samples exhibited odor problems, characterized by earthy/musty (41%) andSource water from rivers exhibited more pollution-origin odors, such as the swampy/septic odor, whileThe earthy/musty odor in the lake/reservoir water samples was mainly caused by 2-MIB (linear regressionThese results will be useful for the management of odor-quality problems in drinking water of China.

Keywords： flavor profile analysis     2-methylisoborneol     swampy/septic odor     earthy/musty odor     drinking water quality    

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Recent advances in electrochemical decontamination of perfluorinated compounds from water: a review

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1618-z

Abstract:

● Recent advances in the electrochemical decontamination of PFAS are reviewed.

Keywords： Perfluorinated compounds     Electrochemical approach     Working mechanisms     Impacting factor     Coupled process    

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Effect of co-existing organic compounds on adsorption of perfluorinated compounds onto carbon nanotubes

Shubo DENG,Yue BEI,Xinyu LU,Ziwen DU,Bin WANG,Yujue WANG,Jun HUANG,Gang YU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 784-792 doi: 10.1007/s11783-015-0790-1

Abstract: Co-existing organic compounds may affect the adsorption of perfluorinated compounds (PFCs) and carbonThe effect of co-existing organic compounds on PFOS adsorption followed the decreasing order of humicThe increase of both initial concentrations and the number of aromatic rings of co-existing organic compounds

Keywords： perfluorinated compounds     carbon nanotubes     competitive adsorption     humic acid     perfluorooctane sulfonate    

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Characteristics of carbonyls and volatile organic compounds (VOCs) in residences in Beijing, China

Hengyi DUAN,Xiaotu LIU,Meilin YAN,Yatao WU,Zhaorong LIU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 73-84 doi: 10.1007/s11783-014-0743-0

Abstract: Volatile organic compounds (VOCs) and carbonyl compounds were measured both indoors and outdoors in 50SUMMA canisters for VOCs and diffusive samplers for carbonyl compounds were deployed for 24 h at eachsite, and 94 compounds were quantified.Carbonyl compounds and some chlorinated compounds had higher concentrations in the non-heating season, while alkanes, alkenes, aromatic compounds showed an increase in the heating season.

Keywords： indoor air     Volatile organic compounds (VOCs)     residence     carbonyl compounds    

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Catalytic conversion of biomass-derived compounds to various amino acids: status and perspectives

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 817-829 doi: 10.1007/s11705-022-2254-z

Abstract: Amino acids are important nitrogen-containing chemicals that have a variety of applications. Currently, fermentation is the widely employed method to produce amino acids; however, the products are mostly limited to natural amino acids in the L-configuration. Catalytic synthesis is an alternative approach for the synthesis of amino acids with different types and configurations, where the use of renewable biomass-based feedstocks is highly attractive. To date, several lignocellulose and triacylglycerol-derived intermediates, typically α-keto acids and α-hydroxyl acids, have been transformed into amino acids via the amination reaction in the presence of additional nitrogen sources (i.e., NH3·H2O). Making full use of inherent nitrogen in biomass (i.e., chitin and protein) to produce amino acids avoids the use of extra nitrogen sources and meets the requirements of green chemistry, which is attracting increasing attention. In this review, we summarize different chemical-catalytic systems for the transformation of biomass to amino acids. An outlook on the challenges and opportunities for more effective production of amino acids from biomass by catalytic methods is provided.

Keywords： biomass     amino acids     chitin     nitrogen-containing compounds     lignocellulose    

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Catalytic combustion of volatile organic compounds using perovskite oxides catalysts—a review

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1649-1676 doi: 10.1007/s11705-023-2324-x

Abstract: With the rapid development of industry, volatile organic compounds (VOCs) are gaining attention as a

Keywords： perovskite oxides     volatile organic compounds     catalytic combustion     reaction mechanism    

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New branched benign compounds including double antibiotic scaffolds: synthesis, simulation and adsorption

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 167-182 doi: 10.1007/s11705-022-2199-2

Abstract: were prepared by multi-step routes and purified by simple performance, which were used as the target compoundsMeanwhile, a single norfloxacin or ciprofloxacin skeleton based molecules were synthesized as the reference compoundsThe anticorrosion of the studied compounds for mild steel in HCl solution was investigated by electrochemistry

Keywords： branched compounds     floxacin scaffold     mild steel     anticorrosion     environmentally benign    

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Indoor carbonyl compounds in an academic building in Beijing, China: concentrations and influencing factors

Chuanjia JIANG, Pengyi ZHANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 184-194 doi: 10.1007/s11783-011-0309-3

Abstract: Carbonyl compounds in indoor air are of great concern for their adverse health effects.Between February and May, 2009, concentrations of 13 carbonyl compounds were measured in an academicDiurnal variations of the carbonyl compounds were investigated in one office room, and carbonyl concentrationsAverage concentrations of carbonyl compounds in the office room were generally higher in early May than

Keywords： carbonyl compounds     indoor air     ventilation     human occupancy     source emission rate (SER)     principal component    

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Pollution survey of carbonyl compounds in train air

LU Hao, ZHU Lizhong

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 125-128 doi: 10.1007/s11783-007-0023-3

Abstract: In this work, pollution from carbonyl compounds was measured in the air of six trains.It was indicated that the total concentrations of carbonyl compounds were 0.159 0.2828 mg/m with theThe carbonyl compounds probably came from woodwork and cigarette smoking.The intake of carbonyl compounds for the passengers was approximately 0.043 0.076 mg/h.The carbonyl compounds in train air could be harmful to human health.
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Determination and occurrence of endocrine disrupting compounds, pharmaceuticals and personal care products

Yong YU,Laosheng WU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 475-481 doi: 10.1007/s11783-014-0640-6

Abstract: Endocrine disrupting compounds (EDCs), pharmaceuticals and personal care products (PPCPs) have attractedRecoveries of target compounds spiked into sample matrices and passed through the entire analytical procedureTarget compounds were relatively low in bile, and only bisphenol A (BPA) and diclofenac were measurableSeven of 13 compounds were detected in blood, with total concentrations up to 39 ng·mL .

Keywords： endocrine disrupting compounds (EDCs)     pharmaceuticals and personal care products (PPCPs)     fish     bisphenol    

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Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0970-2

Abstract: In this paper, we especially reviewed the WAO and CWAO processes for phenolic compounds degradation.

Keywords： Wet air oxidation     Catalytic wet air oxidation     Phenolic compounds     Heterogeneous catalysts     Mechanism    

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Title Author Date Type Operation

Simultaneous analysis of five taste and odor compounds in surface water using solid-phase extraction

Wenfeng SUN, Ruibao JIA, Baoyu GAO

Journal Article

Trace analysis of off-flavor/odor compounds in water using liquid-liquid microextraction coupled with

Jian LU,Paul S. WILLS,P. CHRIS WILSON

Journal Article

Kinetics of oxidation of dimethyl trisulfide by potassium permanganate in drinking water

Xiaoyan MA, Shifei HU, Hongyu WANG, Jun LI, Jing HUANG, Yun ZHANG, Weigang LU, Qingsong LI

Journal Article

Simultaneous removal of hydrogen sulfide and volatile organic sulfur compounds in off-gas mixture from

Shihao Sun, Tipei Jia, Kaiqi Chen, Yongzhen Peng, Liang Zhang

Journal Article

Occurrence of odor problems in drinking water of major cities across China

SUN Daolin,YU Jianwei,YANG Min,AN Wei,ZHAO Yunyun,LU Ning,YUAN Shengguang,ZHANG Dongqing

Journal Article

Recent advances in electrochemical decontamination of perfluorinated compounds from water: a review

Journal Article

Effect of co-existing organic compounds on adsorption of perfluorinated compounds onto carbon nanotubes

Shubo DENG,Yue BEI,Xinyu LU,Ziwen DU,Bin WANG,Yujue WANG,Jun HUANG,Gang YU

Journal Article

Characteristics of carbonyls and volatile organic compounds (VOCs) in residences in Beijing, China

Hengyi DUAN,Xiaotu LIU,Meilin YAN,Yatao WU,Zhaorong LIU

Journal Article

Catalytic conversion of biomass-derived compounds to various amino acids: status and perspectives

Journal Article

Catalytic combustion of volatile organic compounds using perovskite oxides catalysts—a review

Journal Article

New branched benign compounds including double antibiotic scaffolds: synthesis, simulation and adsorption

Journal Article

Indoor carbonyl compounds in an academic building in Beijing, China: concentrations and influencing factors

Chuanjia JIANG, Pengyi ZHANG

Journal Article

Pollution survey of carbonyl compounds in train air

LU Hao, ZHU Lizhong

Journal Article

Determination and occurrence of endocrine disrupting compounds, pharmaceuticals and personal care products

Yong YU,Laosheng WU

Journal Article

Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Journal Article