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学者姓名：王颖慕
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Abstract ：
Microalgal bioremediation is a promising alternative for biological wastewater treatment but constrained by low microalgal activities. Here, bicarbonate fertilization was introduced to enhance microalgal wastewater treatment, with systematic investigations of its biphasic dose-dependent effects on microalgal activity and nutrient uptake. The results showed that moderate inorganic carbon (MIC, 0.05 M) group significantly improved the biomass production, NH4 +-N removal, and PO4 3--P removal by 76.0%, 21.3%, and 11.9%, respectively; whereas high inorganic carbon (HIC, 0.1 M) group inhibited them by 11.0%, 4.48%, and 52.7%, respectively, compared with low inorganic carbon (LIC, 0.005 M) group. Mechanistic analyses suggested that LIC group encountered high alkalinity, exacerbated carbon/trace element limitation, and attenuated extracellular polymeric substances (EPS) barriers and antioxidant systems; while HIC group increased salinity stresses, triggered morphological defense, and diminished light harvesting and phycospheric mass transfer, restricting microalgal activity and nutrient uptake. In contrast, MIC group relieved carbon limitation, accelerated photosynthetic electron transfer, and sustained intracellular redox homeostasis, underpinning the highest biomass production and nutrient removal. These findings could facilitate the practical application of bicarbonate fertilization in microalgal wastewater treatment.
Keyword ：
Extracellular polymeric substances Extracellular polymeric substances Inorganic carbon Inorganic carbon Nutrient removal Nutrient removal Photosynthesis Photosynthesis Tetradesmus obliquus Tetradesmus obliquus
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| GB/T 7714 | Shi, Shuohui , Zhang, Ying , Lin, Shuxuan et al. Deciphering the promotion and inhibition of bicarbonate fertilization on microalgal activity and nutrient uptake from wastewater [J]. | JOURNAL OF ENVIRONMENTAL MANAGEMENT , 2025 , 378 . |
| MLA | Shi, Shuohui et al. "Deciphering the promotion and inhibition of bicarbonate fertilization on microalgal activity and nutrient uptake from wastewater" . | JOURNAL OF ENVIRONMENTAL MANAGEMENT 378 (2025) . |
| APA | Shi, Shuohui , Zhang, Ying , Lin, Shuxuan , Zhang, Meiman , Zou, Weiming , Zhou, Jian et al. Deciphering the promotion and inhibition of bicarbonate fertilization on microalgal activity and nutrient uptake from wastewater . | JOURNAL OF ENVIRONMENTAL MANAGEMENT , 2025 , 378 . |
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Pyrite-driven autotrophic denitrification (PAD) has been recognized as a promising treatment technology for nitrate removal. Although the occurrence of PAD has been found in recent years, there is a knowledge gap about effects of crystal plane of pyrite on the performance and mechanism of PAD system. Here, this study investigated the effects of crystal planes ({100}, {111} and {210}) of single-crystal pyrite on denitrification performance, electron transfer, and microbial mechanism in PAD system. The removal efficiency of nitrate in B-{210} reached 100%, which was 1.67-fold and 2.86-fold higher than that of B-{100} and B-{111}, respectively. X-ray photoelectron spectroscopy and electrochemical results indicated that Fe-S bonds of pyrite with {210} crystal plane were more susceptible to breakage by Fe3+ oxidation assault, and leaching microbially available Fe2+ and sulfur intermediates to drive autotrophic denitrification. Metagenomic results suggested that community of functional pyrite-driven denitrifiers varied in response to crystal plane, and abundances of N-S transformation and EETrelated microbes and genes in B-{210} notably up-regulated compared to B-{100} and B-{111}. In addition, this work proposed a dual-mode for electron transfer pathway during pyrite oxidation and nitrogen transformation in PAD system. In B-{210}, Fe(II)- and sulfur-driven denitrifiers obtained electron after pyrite oxidation-dissolution, and the enrichment of pyrite-oxidizing bacteria in B-{210} could enhance the electron transfer from pyrite through electron shuttles. This work highlighted that stronger surface reactivity and electron shuttle effect in B-{210} enhanced electron transfer, leading to favorable PAD performance in B-{210}. Overall, this study provides novel insights into the structure-activity relationship between the crystal plane structure of pyrite and denitrification activity in PAD system.
Keyword ：
Autotrophic denitrification Autotrophic denitrification Crystal plane Crystal plane Electron transfer Electron transfer Metagenome analysis Metagenome analysis Pyrite Pyrite
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| GB/T 7714 | Wang, Yingmu , Chen, Shi , Chen, Yuanjing et al. Structure-activity relationship between crystal plane and pyrite-driven autotrophic denitrification efficacy: Electron transfer and metagenome-based microbial mechanism [J]. | WATER RESEARCH , 2025 , 268 . |
| MLA | Wang, Yingmu et al. "Structure-activity relationship between crystal plane and pyrite-driven autotrophic denitrification efficacy: Electron transfer and metagenome-based microbial mechanism" . | WATER RESEARCH 268 (2025) . |
| APA | Wang, Yingmu , Chen, Shi , Chen, Yuanjing , Xu, Junge , Zhou, Jian , He, Qiang et al. Structure-activity relationship between crystal plane and pyrite-driven autotrophic denitrification efficacy: Electron transfer and metagenome-based microbial mechanism . | WATER RESEARCH , 2025 , 268 . |
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Bidirectional electron transfer biofilms (BETB) could efficiently reduce nitrate without accumulating nitrite, representing a promising biological electrochemical denitrification technology. This study utilized iron phthalocyanine modified carbon felt (FePc-CF) to enrich electroactive bacteria, constructing a long-term stable FePcBETB. Its nitrate removal rate reached 91%, far exceeding the traditional nitrate-reducing biocathode (45%) and Con-BETB (46%). The dissimilatory nitrate reduction to ammonium (DNRA) dominated nitrate reduction in FePc-BETB, consuming 35% of the total electrons. Additionally, FePc-BETB effectively reduced the accumulation of NO2--N and N2O. Electrochemical analysis demonstrated FePc-BETB exhibited stronger electrochemical activity and electron transfer capability. Mediated electron transfer (MET) enhanced by increased extracellular humic acid in FePc-BETB favored the electron supplement for nitrate removal. The relative abundance of nrfA, marker of the DNRA, increased significantly. This study provided new insights into regulating denitrification and DNRA pathways and treating nitrate wastewater lacking electron donors.
Keyword ：
Denitrification Denitrification DNRA DNRA Electroactive bacteria Electroactive bacteria Mediated electron transfer Mediated electron transfer Nitrous oxide Nitrous oxide
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| GB/T 7714 | He, Lei , He, Xuejie , Zhang, Ying et al. Enhanced dissimilatory nitrate reduction to ammonium and electron transfer mechanisms in bidirectional electron transfer biofilm constructed by iron phthalocyanine [J]. | BIORESOURCE TECHNOLOGY , 2025 , 426 . |
| MLA | He, Lei et al. "Enhanced dissimilatory nitrate reduction to ammonium and electron transfer mechanisms in bidirectional electron transfer biofilm constructed by iron phthalocyanine" . | BIORESOURCE TECHNOLOGY 426 (2025) . |
| APA | He, Lei , He, Xuejie , Zhang, Ying , Fan, Xing , Yang, Tao , Ji, Xiaopeng et al. Enhanced dissimilatory nitrate reduction to ammonium and electron transfer mechanisms in bidirectional electron transfer biofilm constructed by iron phthalocyanine . | BIORESOURCE TECHNOLOGY , 2025 , 426 . |
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Volatile fatty acids (VFAs) extraction from waste activated sludge (WAS) during anaerobic digestion has gained prominence for its economic advantages over biogas production. Critical strategies include enhancing WAS solubilization and selectively suppressing methanogens to promote VFA accumulation. The efficacy of peracetic acid (PAA) in dissolving WAS has been demonstrated. However, its selective inhibitory effects remain largely unexplored. This work illustrated that PAA-enhanced anaerobic digestion (PAA-AD) utilising a modest dose of PAA (9 mg PAA/g TSS) within the range of 0-18 mg PAA/g TSS resulted in a 330 % increase in VFA accumulation, with VFA concentration and acetate proportion attaining 3235.5 +/- 60.7 mg COD/L and 74.6 %, respectively. The generation of CH3C(O)OO center dot, center dot OH, center dot O2-, and 1O2 impaired the integrity of cell membranes and induced lipid peroxidation. 9 mg PAA/g TSS treatment significantly reduced microbial cell attraction in WAS, overcoming WAS dispersion's energy barrier via the extended XDLVO theory. This study showed that its biological inactivation effect on VFA consumers is much stronger than VFA producers. 16S rDNA and metagenomic analyses demonstrated that PAA treatment facilitated the selective enrichment of hydrolytic acidogenic bacteria (51.2 %), including Paraclostridium, Macelliibacteroides and Clostridium_sensu_stricto_13, while significantly upregulating genes linked to VFA synthesis and downregulating genes associated with methane production. The modulation of Quorum Sensing (QS) and Two-Component Systems (TCS) gene clusters synergistically improved the chemotaxis of aerobic digesting bacteria, facilitating their adaptation to PAA stress. This study introduces a sustainable and economical approach for sludge treatment and resource recovery, designed to meet the carbon neutrality objectives of wastewater treatment plants.
Keyword ：
Anaerobic digestion Anaerobic digestion Metagenome analysis Metagenome analysis Peracetic acid Peracetic acid Volatile fatty acids Volatile fatty acids Waste activated sludge Waste activated sludge
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| GB/T 7714 | Wang, Yingmu , Yang, Jun , Huang, Yanjie et al. Unveiling the oxidative stress and adaptation mechanisms of hydrolytic-acidogenic bacteria in response to peroxyacetic acid during sludge anaerobic fermentation to enhance fatty acid production [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 518 . |
| MLA | Wang, Yingmu et al. "Unveiling the oxidative stress and adaptation mechanisms of hydrolytic-acidogenic bacteria in response to peroxyacetic acid during sludge anaerobic fermentation to enhance fatty acid production" . | CHEMICAL ENGINEERING JOURNAL 518 (2025) . |
| APA | Wang, Yingmu , Yang, Jun , Huang, Yanjie , Xie, Shikang , Zhou, Jian , He, Qiang et al. Unveiling the oxidative stress and adaptation mechanisms of hydrolytic-acidogenic bacteria in response to peroxyacetic acid during sludge anaerobic fermentation to enhance fatty acid production . | CHEMICAL ENGINEERING JOURNAL , 2025 , 518 . |
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Compared to methane, volatile fatty acids (VFAs) offer superior economic benefits. Therefore, the extraction of VFAs from waste activated sludge (WAS) during anaerobic digestion (AD) has garnered significant attention. This study demonstrates that the NO2−-PAA combined treatment technology effectively promotes the accumulation of total volatile fatty acids (TVFAs) in the AD system, achieving a maximum VFAs accumulation of 1551.2 ± 6.6 mg COD/L and an acidification rate (ηa) of 47.8 ± 1.9 %. Mechanistic study indicates that the reactive oxygen/nitrogen species (ROS/RNS, including CH3C(O)OO·,·OH,·O2−, 1O2 and NO·) induced by the combined treatment act synergistically to damage cell membranes, augment membrane permeability, disrupt protein structures, and stimulate lipid peroxidation. This significantly weakens the attraction between microorganisms in WAS, providing the first mechanistic explanation of how it overcomes the energy barrier of WAS dispersion under NO2−-PAA exposure (extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) theory). 16 S rDNA and metagenomic analyses confirmed that NO2−-PAA combined treatment promoted the selective enrichment of hydrolytic-acidogenic bacteria, particularly Petrimonas (27.7 %) and Macellibacteroides (17.0 %). In addition, the increased abundance of VFAs biosynthesis-related genes and decreased abundance of methanogenic genes contribute to VFAs accumulation. Enhanced regulation of Quorum Sensing (QS) and Two-Component Systems (TCS) gene clusters improved microbial adaptation to NO2−-PAA stress. This study elucidated the synergistic effects of NO2−-PAA combined treatment on VFAs extraction from the perspectives of interface interactions, functional potential, oxidative stress, and adaptive mechanisms, and provided promising technical solutions for optimizing WAS carbon flux and efficient VFAs recovery. © 2025 Elsevier Inc.
Keyword ：
Activation energy Activation energy Anaerobic digestion Anaerobic digestion Bacteria Bacteria Biochemistry Biochemistry Cell membranes Cell membranes Cytology Cytology Fermentation Fermentation Genes Genes Methane Methane Nitrogen oxides Nitrogen oxides Sludge digestion Sludge digestion Volatile fatty acids Volatile fatty acids
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| GB/T 7714 | Wang, Yingmu , Huang, Yanjie , Peng, Cuiyan et al. Synergistic enhancement of acidogenic fermentation of waste activated sludge by combined nitrite and peracetic acid co-treatment: Insight into interfacial interaction, functional potential, oxidative stress and adaptive mechanisms [J]. | Environmental Research , 2025 , 285 . |
| MLA | Wang, Yingmu et al. "Synergistic enhancement of acidogenic fermentation of waste activated sludge by combined nitrite and peracetic acid co-treatment: Insight into interfacial interaction, functional potential, oxidative stress and adaptive mechanisms" . | Environmental Research 285 (2025) . |
| APA | Wang, Yingmu , Huang, Yanjie , Peng, Cuiyan , Yang, Jun , Hui, Erqing , Zhou, Jian et al. Synergistic enhancement of acidogenic fermentation of waste activated sludge by combined nitrite and peracetic acid co-treatment: Insight into interfacial interaction, functional potential, oxidative stress and adaptive mechanisms . | Environmental Research , 2025 , 285 . |
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Pyrite autotrophic denitrification (PAD) is a cost-effective and promising method for nitrogen removal from low C/N wastewater. Recent work has primarily focused on experimental schemes to investigate PAD performance, while overlooking the impact of pyrite's origin on its mineral properties and chemical reactivity. Thus, the optimal strategy for selecting pyrite based on the structure-activity relationship between its mineral characteristics and PAD performance remains unclear. In this work, a series of PAD systems were established using natural pyrite from different origins as electron donors. The results showed that the pyrite from Yunfu (B-YPy38 and BYPy48) exhibited the optimal performance, with nitrate (NO3--N) removal rates of 88.56 +/- 0.60% and 72.26 +/- 3.10% after long-term operation, respectively. The distinct nutrient removal efficiency could be attributed to variations in the mineral crystallization habits and electrochemical properties of pyrites from different origins. XPS analysis revealed that the pyrite from Yunfu contained more Fe(III)-S bonds associated with the breakage of pyrite crystal structure, thereby accelerating the "oxidation-dissolution" process of pyrite to produce Fe(II) and S0, thus providing more electron donors for autotrophic denitrifying bacteria (e.g., Rhodanobacter and Thermomonas). Electrochemical analysis further indicated that the stronger Fe(II)/Fe(III) cycling capacity in pyrite from Yunfu might enhance electron shuttling between pyrite and NO3--N. Microbial community analysis revealed that the higher chemical reactivity and electron transfer in YPy38 and YPy48 promote the enrichment of autotrophic denitrifying bacteria. These findings shed new light on understanding microbial processes in PAD systems, offering a theoretical basis for the optimal selection of pyrite to enhance PAD efficiency for further application.
Keyword ：
Autotrophic denitrification Autotrophic denitrification Electrochemical properties Electrochemical properties Microbial community Microbial community Mineral properties Mineral properties Nutrients removal Nutrients removal Pyrite's origin Pyrite's origin
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| GB/T 7714 | Wang, Yingmu , Su, Mubai , He, Lei et al. Insights into the impact of pyrite mineral properties on nutrient removal and microbial communities: Influence of pyrite origins [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 519 . |
| MLA | Wang, Yingmu et al. "Insights into the impact of pyrite mineral properties on nutrient removal and microbial communities: Influence of pyrite origins" . | CHEMICAL ENGINEERING JOURNAL 519 (2025) . |
| APA | Wang, Yingmu , Su, Mubai , He, Lei , Chen, Shi , Peng, Cuiyan , Zhou, Jian et al. Insights into the impact of pyrite mineral properties on nutrient removal and microbial communities: Influence of pyrite origins . | CHEMICAL ENGINEERING JOURNAL , 2025 , 519 . |
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Iron-based catalysts have been widely used to treat refractory organic pollutants in wastewater. In this paper, magnetic Co-gamma-Fe(2)O(3 )was synthesized by a facile tartaric acid-assisted hydrothermal method, and Co-gamma-Fe2O3/MoS2 nanocomposite catalyst was obtained via in situ growth of MoS2 nanosheets on Co-gamma-Fe2O3 nanoparticles. The nanocomposite catalysts were used to decompose bisphenol A (BPA) by activating peroxymonosulfate (PMS). It was shown that only 0.15 g/L catalyst and 0.5 mmol/L PMS degraded 10 mg/L of BPA (99.3% within 10 min) in the pH range of 3-9. PMS was activated due to redox cycling among the pairs Co(III)/Co(II), Fe(III)/Fe(II), and Mo(VI)/Mo(IV). Quenching experiments and electron paramagnetic resonance spectroscopy demonstrated that both radical and non-radical pathways were involved in BPA degradation, in which active radical sulfate radical and non-radical singlet oxygen were the main reactive oxygen species. Ten intermediates were identified by liquid chromatography-coupled mass spectrometry, and three possible BPA degradation pathways were proposed. The toxicity of several degradation intermediates was lower, and Co-gamma-Fe2O3/MoS2 exhibited excellent reusability and could be magnetically recovered.
Keyword ：
Bisphenol A Bisphenol A Degradation pathways Degradation pathways Hydrothermal method Hydrothermal method Magnetic Co-gamma-Fe2O3/MoS2 Magnetic Co-gamma-Fe2O3/MoS2 Toxicity analysis Toxicity analysis
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| GB/T 7714 | Xu, Junge , Wang, Dong , Hu, Die et al. Magnetic Co-doped 1D/2D structured γ-Fe2O3/MoS2 effectively activated peroxymonosulfate for efficient abatement of bisphenol A via both radical and non-radical pathways [J]. | FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING , 2024 , 18 (3) . |
| MLA | Xu, Junge et al. "Magnetic Co-doped 1D/2D structured γ-Fe2O3/MoS2 effectively activated peroxymonosulfate for efficient abatement of bisphenol A via both radical and non-radical pathways" . | FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING 18 . 3 (2024) . |
| APA | Xu, Junge , Wang, Dong , Hu, Die , Zhang, Ziwei , Chen, Junhong , Wang, Yingmu et al. Magnetic Co-doped 1D/2D structured γ-Fe2O3/MoS2 effectively activated peroxymonosulfate for efficient abatement of bisphenol A via both radical and non-radical pathways . | FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING , 2024 , 18 (3) . |
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Stringent wastewater discharge standards require wastewater treatment plants (WWTPs) to focus on enhancing nitrogen (N) and phosphorus (P) removal efficiency. Increasing sludge concentration by regulation of sludge retention time (SRT) would enhance wastewater treatment loads. However, phosphorus-accumulating organisms (PAOs) would be outcompeted by glycogen-accumulating organisms (GAOs) under long SRT, leading to a collapse of P removal. In this work, pilot-scale anaerobic-oxic-anoxic (AOA) and anaerobic-anoxic-oxic (AAO) systems with long SRT (30 d) were parallelly established for actual urban wastewater treatment. The results indicated that sludge reflux ratio, temperature, and C/N ratio significantly impact N and P removal performance of AOA and AAO systems with long SRT, and removal efficiency of AOA system significantly exceeded that of AAO system. AOA system with long SRT achieved the optimal performance at sludge reflux ratio of 200%, temperature of 25 degrees C, and C/N ratio of 8, with COD, NH4+-N, TN, and PO4 3--P removal ratio of 92.80 f 2.24%, 97.38 f 0.89%, 88.97 f 2.47%, and 94.33 f 3.27%, respectively. In addition, compared to AAO system, AOA system could save 23.08% of the aeration volume. This work highlighted that AOA system with long SRT included multiple coupled nitrogen and phosphorus removal pathways, such as autotrophic/heterotrophic nitrification, anoxic/oxic denitrification, endogenous denitrification, and denitrifying phosphorus removal. Among these, the synergistic effect of endogenous denitrification and denitrifying phosphorus removal driven by internal carbon sources contributed to satisfactory nitrogen and phosphorus removal efficiency in AOA system with long SRT.
Keyword ：
Anaerobic-oxic-anoxic (AOA) Anaerobic-oxic-anoxic (AOA) Denitrifying phosphorus removal Denitrifying phosphorus removal Endogenous denitrification Endogenous denitrification Internal carbon source Internal carbon source Microbial community Microbial community
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| GB/T 7714 | Gong, Benzhou , Zhang, Kui , Su, Mubai et al. Efficient nitrogen and phosphorus removal performance and microbial community in a pilot-scale anaerobic/anoxic/oxic (AOA) system with long sludge retention time: Significant roles of endogenous carbon source [J]. | ENVIRONMENTAL RESEARCH , 2024 , 263 . |
| MLA | Gong, Benzhou et al. "Efficient nitrogen and phosphorus removal performance and microbial community in a pilot-scale anaerobic/anoxic/oxic (AOA) system with long sludge retention time: Significant roles of endogenous carbon source" . | ENVIRONMENTAL RESEARCH 263 (2024) . |
| APA | Gong, Benzhou , Zhang, Kui , Su, Mubai , Yang, Jun , Peng, Cuiyan , Wang, Yingmu . Efficient nitrogen and phosphorus removal performance and microbial community in a pilot-scale anaerobic/anoxic/oxic (AOA) system with long sludge retention time: Significant roles of endogenous carbon source . | ENVIRONMENTAL RESEARCH , 2024 , 263 . |
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Iron-based catalysts have been widely used to treat refractory organic pollutants in wastewater.In this paper,magnetic Co-γ-Fe2O3 was synthesized by a facile tartaric acid-assisted hydrothermal method,and Co-γ-Fe2O3/MoS2 nanocomposite catalyst was obtained via in situ growth of MoS2 nanosheets on Co-γ-Fe2O3 nanoparticles.The nanocomposite catalysts were used to decompose bisphenol A(BPA)by activating peroxymonosulfate(PMS).It was shown that only 0.15 g/L catalyst and 0.5 mmol/L PMS degraded 10 mg/L of BPA(99.3％within 10 min)in the pH range of 3-9.PMS was activated due to redox cycling among the pairs Co(Ⅲ)/Co(Ⅱ),Fe(Ⅲ)/Fe(Ⅱ),and Mo(Ⅵ)/Mo(Ⅳ).Quenching experiments and electron paramagnetic resonance spectroscopy demonstrated that both radical and non-radical pathways were involved in BPA degradation,in which active radical sulfate radical and non-radical singlet oxygen were the main reactive oxygen species.Ten intermediates were identified by liquid chromatography-coupled mass spectrometry,and three possible BPA degradation pathways were proposed.The toxicity of several degradation intermediates was lower,and Co-γ-Fe2O3/MoS2 exhibited excellent reusability and could be magnetically recovered.
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| GB/T 7714 | Junge Xu , Dong Wang , Die Hu et al. Magnetic Co-doped 1D/2D structured γ-Fe2O3/MoS2 effectively activated peroxymonosulfate for efficient abatement of bisphenol A via both radical and non-radical pathways [J]. | 环境科学与工程前沿 , 2024 , 18 (3) : 143-159 . |
| MLA | Junge Xu et al. "Magnetic Co-doped 1D/2D structured γ-Fe2O3/MoS2 effectively activated peroxymonosulfate for efficient abatement of bisphenol A via both radical and non-radical pathways" . | 环境科学与工程前沿 18 . 3 (2024) : 143-159 . |
| APA | Junge Xu , Dong Wang , Die Hu , Ziwei Zhang , Junhong Chen , Yingmu Wang et al. Magnetic Co-doped 1D/2D structured γ-Fe2O3/MoS2 effectively activated peroxymonosulfate for efficient abatement of bisphenol A via both radical and non-radical pathways . | 环境科学与工程前沿 , 2024 , 18 (3) , 143-159 . |
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The transformations of carbon, nitrogen, and iron are closely interrelated within the elemental biogeochemical cycles, influenced by numerous factors. The key roles of Shewanella in the three cycles, which drives Biological Fenton (Bio-Fenton) and improves biological nitrogen removal, have not been clarified. In this study, by coupling Anammox with Bio-Fenton in the cathodic chamber of a microbial electrochemical system (MES), we explored the ability of Shewanella to force C, N, and Fe transformation, and excavated the interactions among the complex reactions. In the coupling systems, nitrogen removal efficiency was enhanced by 22.69%, and Shewanellamediated Fe (III) reduction improved hydroxyl radical (center dot OH) production to decompose 1,4-dioxane. Fe (II) was generated with electrons from the cathode and then chemically oxidized, and one-electron transfer pathway was prioritized in center dot OH production. Functional gene abundance reflected that the antioxidant systems of microorganisms were highly developed to resist the oxidative stress. The robustness of the coupling systems was demonstrated during long-term operation. This study provides valuable insights into the importance of Shewanella in redox zones and presents novel technological advancements for wastewater treatment.
Keyword ：
Bio-Fenton Bio-Fenton Electron transfer Electron transfer Exoelectrogens Exoelectrogens Hydroxyl radical Hydroxyl radical Nitrogen removal Nitrogen removal
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| GB/T 7714 | He, Lei , Fan, Xing , He, Xuejie et al. Catalyzing cycling of carbon, nitrogen and iron redox by Shewanella in coupling Anammox and Bio-Fenton systems [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 499 . |
| MLA | He, Lei et al. "Catalyzing cycling of carbon, nitrogen and iron redox by Shewanella in coupling Anammox and Bio-Fenton systems" . | CHEMICAL ENGINEERING JOURNAL 499 (2024) . |
| APA | He, Lei , Fan, Xing , He, Xuejie , Yang, Tao , Zhou, Jiong , Huang, Yangyang et al. Catalyzing cycling of carbon, nitrogen and iron redox by Shewanella in coupling Anammox and Bio-Fenton systems . | CHEMICAL ENGINEERING JOURNAL , 2024 , 499 . |
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