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Decolorization of azo dyes by a salt-tolerant

Bin YAN, Cuihong DU, Meilan XU, Wenchao LIAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 806-814 doi: 10.1007/s11783-012-0453-4

Abstract: strain, isolated from textile wastewater, has been found effective on decolorizing several kinds of azodyes with different structures.The optimal conditions for azo dye acid red B (ARB) decolorization by were determined to be pH= 7.0of ARB were analyzed by HPLC-MS, and the results indicated the reductive pathway was responsible for azo

Keywords： Staphylococcus cohnii     decolorization     salt     azoreductase     Nicotineamide adenine dinucleotide-dichlorophenol indophenol (NADH-DCIP) reductase    

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Solar photocatalytic decomposition of two azo dyes on multi-walled carbon nanotubes (MWCNTs)/TiO 2 composites

Huilong WANG, Shuqin LIU, Hui WANG, Wenfeng JIANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 311-320 doi: 10.1007/s11783-010-0237-7

Abstract: were evaluated for the decomposition of Reactive light yellow K-6G (K-6G) and Mordant black 7 (MB 7) azodyes solution under solar light irradiation.addition of MWCNTs enhanced the adsorption and photocatalytic activity of TiO for the degradation of azodyes K-6G and MB 7.The kinetics of photocatalytic degradation of two dyes was found to follow a pseudo-first-order rate

Keywords： sol-gel     multi-walled carbon nanotubes (MWCNTs)/TiO2 composite     photocatalysis     azo dye     solar irradiation    

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Anodic oxidation of azo dye C.I. Acid Red 73 by the yttrium-doped Ti/SnO

Li XU, Zhi GUO, Lishun DU

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 338-346 doi: 10.1007/s11705-013-1335-4

Abstract: This work was conducted to study the ability of anodic oxidation of azo dye C.I.

Keywords： SnO2-Sb     yttrium doping     anodic oxidation     azo dyes    

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Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- andantraquinonic dyes

María Fernanda HORST,Verónica LASSALLE,María Luján FERREIRA

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 746-769 doi: 10.1007/s11783-015-0814-x

Abstract: characteristics of these nanomaterials are related to their ability to eliminate heavy metal ions and dyesThe mechanisms governing nanomaterial’s formation as well as the interactions with heavy metals and dyes

Keywords： nanomagnetite     water remediation     toxic metals     dyes     supported magnetite    

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Acid Orange 7 degradation using methane as the sole carbon source and electron donor

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1468-5

Abstract:

• AO7 degradation was coupled with anaerobic methane oxidation.

Keywords： Azo dyes     AO7 degradation     Anaerobic methane oxidation     Microbial community     ANME-2d    

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Improved degradation of azo dyes by lignin peroxidase following mutagenesis at two sites near the catalytic

Karla Ilić Đurđić, Raluca Ostafe, Olivera Prodanović, Aleksandra Đurđević Đelmaš, Nikolina Popović, Rainer Fischer, Stefan Schillberg, Radivoje Prodanović

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1311-4

Abstract: Abstract • Mutations in Lignin peroxidase Trp171 environment improved azo dyes degradation. • ExpressionThe enzymatic degradation of azo dyes is a promising alternative to ineffective chemical and physicallibrary was used for the selection of variants with the ability to break down structurally-distinct azodyes more efficiently.We identified mutants with up to 10-fold greater affinity than wild-type LiP for three diverse azo dyes

Keywords： Bioremediation     Enzyme immobilization     Protein engineering     Yeast surface display.    

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Photoinduced dichroism and surface-relief-gratings of hyperbranched azo polymers synthesized by azo-coupling

CHE Pengchao, HE Yaning, WANG Xiaogong

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 360-364 doi: 10.1007/s11705-007-0065-x

Abstract: This article reports the synthesis and photoresponsive properties of a hyperbranched azo polymer containingelectron donor-acceptor type azo chromophores both in backbone and peripheral positions.of an AB monomer, bis[2-(-ethylanilino)ethyl] 5-aminoisophthalate, through azo-coupling reaction.The resulting azo polymers were characterized by the spectroscopic methods and thermal analysis.The azo chromophores introduced by post-azo-coupling reaction at the para-positions of the peripheral

Keywords： inscription     4-cyanoaniline     orientation     peripheral     photoswitch    

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Separation/degradation behavior and mechanism for cationic/anionic dyes by Ag-functionalized FeO-PDA

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1572-1

Abstract:

● PDA-Fe3O4-Ag was made by hydrothermal and oxidation self-polymerization method.

Keywords： PDA     Fe3O4     Magnetic adsorbent     Cationic dyes     Anionic dyes    

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Hyperbranched azo polyurethane synthesized through A + B scheme

CHE Pengchao, HE Yaning, WANG Xiaogong

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 123-126 doi: 10.1007/s11705-007-0078-5

Abstract: A hyperbranched azo polyurethane was synthesized by one-step polymerization of an A type monomer diphenylmethaneThe azo polymer was characterized by H nuclear magnetic resonance (NMR), ultraviolet-visible (UV-Vis)The results show that the azo polyurethane has been successfully synthesized through this scheme.

Keywords： dimethylformamide     one-step polymerization     polyurethane     2-hydroxyethyl     diphenylmethane-4     4′-diisocyanate    

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Investigation of electrochemical degradation and application of e-paper dyes in organic solvents

Luhai LI, Ming WANG, Yi FANG, Shunan QIAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 182-185 doi: 10.1007/s11705-009-0062-3

Abstract: Many dyes were tested in the Indium tin oxide (ITO) electrode driving cell, and about 15 dyes moved underBased on the analysis of UV-Vis and IR spectra, the electrochemical degradation products of azo and metalcomplex azo dyes at lower voltage driving (1-5 V) in organic solvents are oxidized azobenzene, not hydrazine

Keywords： electrochemical degradation     electrophoresis     e-paper     oxidized azobenzene group    

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Influence of aeration intensity on the performance of A/O-type sequencing batch MBR system treating azo

Xinhua WANG, Jingmei LI, Xiufen LI, Guocheng DU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 615-622 doi: 10.1007/s11783-011-0362-y

Abstract: sequencing batch MBR system, added anoxic process as a pretreatment to improve the biodegradability of azoThe results showed 0.15 m ·h aeration intensity was promising for treatment of azo dye wastewater under

Keywords： batch membrane bioreactor     azo dye     aeration intensity     extracellular polymeric substances     sludge properties    

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Water-soluble BODIPY and aza-BODIPY dyes: synthetic progress and applications

Gang FAN,Le YANG,Zhijian CHEN

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 405-417 doi: 10.1007/s11705-014-1445-7

Abstract: In recent years, boron-dipyrromethene (BODIPY) and boron-azadipyrromethene (aza-BODIPY) dyes have attractedammonium, sulfonate or oligo-ethyleneglycol moieties into the BODIPY core, the solubilities of these dyesAccordingly, applying these fluorescent dyes in aqueous systems to areas such as chemosensors, biomacromoleculearticle, the recent progress on the synthesis, optical properties and application of water-soluble BODIPY dyesand aza-BODIPY dyes is reviewed.

Keywords： boron-dipyrromethene     boron-azadipyrromethene     synthetic progress     applications    

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Mechanistic insights into the selective photocatalytic degradation of dyes over TiO/ZSM-11

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1701-5

Abstract:

● TiO2/ZSM-11 was prepared by a facile solid state dispersion method.

Keywords： Selective dye degradation     Photocatalysis     TiO2     ZSM-11     Chemisorption    

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Removal of dyes from wastewater by growing fungal pellets in a semi-continuous mode

Tao Lu, Qilei Zhang, Shanjing Yao

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 338-345 doi: 10.1007/s11705-017-1644-0

Abstract: pellets, a bubble column reactor with a simple structure was designed and efficiently used to remove dyesfrom solution containing dyes.Eight dyes were tested as dye targets for the adsorption capacity of mycelial pellets and good removal

Keywords： dye     mycelial pellets     marine fungus     bubble column reactor     semi-continuous biosorption    

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SPSf loose nanofiltration membranes using SPES as a hydrophilic polymer for the effective removal of dyes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1555-1567 doi: 10.1007/s11705-023-2338-4

Abstract: adipic acid as a porogen via non-solvent induced phase separation method for effective fractionation of dyesmembranes exhibited higher rejection rates for nine types of small molecular weight (269.3–800 Da) dyes

Keywords： adipic acid     loose nanofiltration membrane     dye/salt selective separation     steric hindrance     charge effect    

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Title Author Date Type Operation

Decolorization of azo dyes by a salt-tolerant

Bin YAN, Cuihong DU, Meilan XU, Wenchao LIAO

Journal Article

Solar photocatalytic decomposition of two azo dyes on multi-walled carbon nanotubes (MWCNTs)/TiO 2 composites

Huilong WANG, Shuqin LIU, Hui WANG, Wenfeng JIANG,

Journal Article

Anodic oxidation of azo dye C.I. Acid Red 73 by the yttrium-doped Ti/SnO

Li XU, Zhi GUO, Lishun DU

Journal Article

Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- andantraquinonic dyes

María Fernanda HORST,Verónica LASSALLE,María Luján FERREIRA

Journal Article

Acid Orange 7 degradation using methane as the sole carbon source and electron donor

Journal Article

Improved degradation of azo dyes by lignin peroxidase following mutagenesis at two sites near the catalytic

Karla Ilić Đurđić, Raluca Ostafe, Olivera Prodanović, Aleksandra Đurđević Đelmaš, Nikolina Popović, Rainer Fischer, Stefan Schillberg, Radivoje Prodanović

Journal Article

Photoinduced dichroism and surface-relief-gratings of hyperbranched azo polymers synthesized by azo-coupling

CHE Pengchao, HE Yaning, WANG Xiaogong

Journal Article

Separation/degradation behavior and mechanism for cationic/anionic dyes by Ag-functionalized FeO-PDA

Journal Article

Hyperbranched azo polyurethane synthesized through A + B scheme

CHE Pengchao, HE Yaning, WANG Xiaogong

Journal Article

Investigation of electrochemical degradation and application of e-paper dyes in organic solvents

Luhai LI, Ming WANG, Yi FANG, Shunan QIAO

Journal Article

Influence of aeration intensity on the performance of A/O-type sequencing batch MBR system treating azo

Xinhua WANG, Jingmei LI, Xiufen LI, Guocheng DU

Journal Article

Water-soluble BODIPY and aza-BODIPY dyes: synthetic progress and applications

Gang FAN,Le YANG,Zhijian CHEN

Journal Article

Mechanistic insights into the selective photocatalytic degradation of dyes over TiO/ZSM-11

Journal Article

Removal of dyes from wastewater by growing fungal pellets in a semi-continuous mode

Tao Lu, Qilei Zhang, Shanjing Yao

Journal Article

SPSf loose nanofiltration membranes using SPES as a hydrophilic polymer for the effective removal of dyes

Journal Article