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Catalytic reduction for water treatment

Maocong Hu, Yin Liu, Zhenhua Yao, Liping Ma, Xianqin Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0972-0

Abstract: Treating water contaminants via heterogeneously catalyzed reduction reaction is a subject of growing interest due to its good activity and superior selectivity compared to conventional technology, yielding products that are non-toxic or substantially less toxic. This article reviews the application of catalytic reduction as a progressive approach to treat different types of contaminants in water, which covers hydrodehalogenation for wastewater treatment and hydrogenation of nitrate/nitrite for groundwater remediation. For hydrodehalogenation, an overview of the existing treatment technologies is provided with an assessment of the advantages of catalytic reduction over the conventional methodologies. Catalyst design for feasible catalytic reactions is considered with a critical analysis of the pertinent literature. For hydrogenation, hydrogenation of nitrate/nitrite contaminants in water is mainly focused. Several important nitrate reduction catalysts are discussed relating to their preparation method and catalytic performance. In addition, novel approach of catalytic reduction using in situ synthesized H evolved from water splitting reaction is illustrated. Finally, the challenges and perspective for the extensive application of catalytic reduction technology in water treatment are discussed. This review provides key information to our community to apply catalytic reduction approach for water treatment.

Keywords： Halogenated compounds     Nitrate/nitrite contaminants     Hydrodechloriantion     Hydrogenation     Wastewater treatment    

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Room-temperature hydrogenation of halogenated nitrobenzenes over metal–organic-framework-derived ultra-dispersed

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1782-1792 doi: 10.1007/s11705-022-2220-9

Abstract: were prepared by simple pyrolysis of Ni-based metal–organic-framework for selective hydrogenation of halogenated

Keywords： halogenated nitrobenzenes     room-temperature hydrogenation     Ni nanoparticles     nitrogen-doped carbon nanoneedles    

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Whole pictures of halogenated disinfection byproducts in tap water from China’s cities

Yang PAN,Xiangru ZHANG,Jianping ZHAI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 121-130 doi: 10.1007/s11783-014-0727-0

Abstract: Numerous polar halogenated DBPs were detected, including haloacetic acids, newly identified halogenatedphenols, and many new/unknown halogenated compounds.

Keywords： Disinfection byproducts (DBPs)     total organic halogen     tap water in China    

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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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deoxygenation of methyl palmitate to diesel-like hydrocarbons on carbon encapsulated Ni–Sn intermetallic compounds

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 139-155 doi: 10.1007/s11705-022-2217-4

Abstract: preparation, Sn doping reduces the size of carbon spheres, and the formation of Ni–Sn intermetallic compoundsAlso, the C–C bond hydrolysis and methanation are suppressed on Ni–Sn intermetallic compounds, favorable

Keywords： extended Stöber method     carbon encapsulated Ni–Sn intermetallic compounds     confinement     in-situ   

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Trends of chemical speciation profiles of anthropogenic volatile organic compounds emissions in China

Wei WEI, Shuxiao WANG, Jiming HAO, Shuiyuan CHENG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 27-41 doi: 10.1007/s11783-012-0461-4

Abstract: This study estimates the detailed chemical profiles of China’s anthropogenic volatile organic compoundsthe national level, the VOCs species emitted in 2005 include alkanes, alkenes and alkynes, aromatic compoundsdeveloped economy would emit unsaturated hydrocarbons and benzene with lower mix ratios, and aromatic compounds

Keywords： volatile organic compounds (VOCs)     chemical speciation     ozone formation     Photochemical Ozone Creation Potential    

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Title Author Date Type Operation

Catalytic reduction for water treatment

Maocong Hu, Yin Liu, Zhenhua Yao, Liping Ma, Xianqin Wang

Journal Article

Room-temperature hydrogenation of halogenated nitrobenzenes over metal–organic-framework-derived ultra-dispersed

Journal Article

Whole pictures of halogenated disinfection byproducts in tap water from China’s cities

Yang PAN,Xiangru ZHANG,Jianping ZHAI

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

deoxygenation of methyl palmitate to diesel-like hydrocarbons on carbon encapsulated Ni–Sn intermetallic compounds

Journal Article

Trends of chemical speciation profiles of anthropogenic volatile organic compounds emissions in China

Wei WEI, Shuxiao WANG, Jiming HAO, Shuiyuan CHENG

Journal Article