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学者姓名：孙治荣
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Abstract ：
The efficient degradation of antibiotics holds significant implications for mitigating environmental pollution. This study synthesized a montmorillonite chitosan composite material (MMT-CS) using the gel template method. Subsequently, a bio-enhanced reactor was constructed to facilitate the degradation of chlorotetracycline (CTC). The addition of MMT-CS composite material enables the degradation of different concentrations of CTC. MMTCS, a conductive carrier, effectively promotes microbial adhesion and boosts the metabolic activity of functional microorganisms. Additionally, it facilitates the maintenance of microbial activity under CTC pressure by promoting the secretion of extracellular polymeric substances, increasing critical enzyme activity, and enhancing the electron transfer capacity within the system. In this MMT-CS bio-enhanced process, Paracoccus (11.4%) and Bacillus (3.9%) are utilized as essential bacteria genes. The results of metabolic pathways prediction indicated significant enhancements in membrane-transport, nucleotide-metabolism, replication-repair, and lipidmetabolism. Thus, the developed self-supporting MMT-CS bio-enhanced process ensured the stability of the system during the removal of antibiotics.
Keyword ：
Antibiotic resistance gene Antibiotic resistance gene Antibiotic Antibiotic Bioaugmentation Bioaugmentation Metabolic pathways Metabolic pathways
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| GB/T 7714 | Liu, Zhibin , Jiang, Bingyu , Sun, Zhirong . Mechanism of self-supporting montmorillonite composite material for bio-enhanced degradation of chlorotetracycline: Electron transfer and microbial response [J]. | BIORESOURCE TECHNOLOGY , 2024 , 404 . |
| MLA | Liu, Zhibin 等. "Mechanism of self-supporting montmorillonite composite material for bio-enhanced degradation of chlorotetracycline: Electron transfer and microbial response" . | BIORESOURCE TECHNOLOGY 404 (2024) . |
| APA | Liu, Zhibin , Jiang, Bingyu , Sun, Zhirong . Mechanism of self-supporting montmorillonite composite material for bio-enhanced degradation of chlorotetracycline: Electron transfer and microbial response . | BIORESOURCE TECHNOLOGY , 2024 , 404 . |
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Abstract ：
Chloroquine phosphate (CQP), commonly used in treating autoimmune diseases and malaria, has been detected in various water bodies and poses potential hazards to the ecological environment. In this study, ZIF-67-derived Co 3 S 4 -modified graphite felt cathode (Co 3 S 4 /GF) was used to construct a heterogeneous electro-Fenton system for efficient CQP removal. The introduction of sulfur greatly improved the electron transfer rate and reduced the charge transfer resistance, garnering the Co 3 S 4 /GF composite cathode with excellent electrochemical activity. The Co 3 S 4 /GF electro-Fenton system completely removed CQP within 60 min at near -neutral initial pH and exhibited 19.3 % higher CQP removal efficiency than the ZIF-67/GF system. This enhanced performance was mainly attributed to the introduction of sulfur, which increased the proportion of low-valent metal in the material and promoted the Co III and Co II cycle. The hydroxyl radical was identified as the main radical involved in CQP degradation. The intermediates of CQP degradation were detected, and four possible degradation pathways of CQP were obtained. The ecotoxicity of CQP and its intermediates decreased during the degradation process. This work proposes novel ideas for the rapid development of metal -organic framework -derived Co/S-based materials for their application in the field of environmental catalysis.
Keyword ：
CoII CoII Sulfur Sulfur Heterogeneous electro-Fenton Heterogeneous electro-Fenton Chloroquine phosphate Chloroquine phosphate ZIF-67-derived ZIF-67-derived
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| GB/T 7714 | Peng, Huilin , Shi, Xuelin , Sun, Zhirong . ZIF-67-derived Co 3 S 4-modified cathode with high Co II content enhances the removal of chloroquine phosphate by the electro-Fenton system [J]. | JOURNAL OF WATER PROCESS ENGINEERING , 2024 , 63 . |
| MLA | Peng, Huilin 等. "ZIF-67-derived Co 3 S 4-modified cathode with high Co II content enhances the removal of chloroquine phosphate by the electro-Fenton system" . | JOURNAL OF WATER PROCESS ENGINEERING 63 (2024) . |
| APA | Peng, Huilin , Shi, Xuelin , Sun, Zhirong . ZIF-67-derived Co 3 S 4-modified cathode with high Co II content enhances the removal of chloroquine phosphate by the electro-Fenton system . | JOURNAL OF WATER PROCESS ENGINEERING , 2024 , 63 . |
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Abstract ：
Herein, we fabricated a novel NiO@CuxO nanorods (NRs) composite electrode grown in-situ on copper foam (CF), designated as NiO@CuxO NRs/CF. This electrode demonstrates excellent performance in a heterogeneous electro-Fenton-like system. It efficiently activates O2 to generate 1O2 in-situ without the addition of oxidant precursors and effectively degrades chloroquine phosphate (CQ). The combination of NiO and CuxO nanoarrays created multiple synergistic sites for molecular oxygen adsorption and activation. The addition of NiO induced the formation of low-valence Cu species and effectively optimized oxygen reduction reaction (ORR) kinetics. This enhancement led to an increased generation of key intermediates (center dot O2- and center dot OH), which further promoted the efficient production of 1O2 through the chain reaction mediated by center dot O2- and center dot OH. NiO@CuxO NRs/CF achieved a 3.9-fold increase in 1O2 production compared to the CF electrode. NiO@CuxO NRs/CF electrodes exhibited exceptional performance in degrading CQ across a wide pH range (3-11). Meanwhile, it also displayed remarkable stability and anti-interference capability, highlighting their promising potential for practical applications. The study provides an innovative strategy for the in-situ production of 1O2 through molecular oxygen activation with a bimetallic composite catalyst to efficiently degrade organic pollutants.
Keyword ：
Molecular oxygen activation Molecular oxygen activation Singlet oxygen Singlet oxygen Chloroquine phosphate Chloroquine phosphate Heterogeneous electro-Fenton-like Heterogeneous electro-Fenton-like Bimetallic composite catalyst Bimetallic composite catalyst
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| GB/T 7714 | Shi, Xuelin , Yan, Zihao , Zhu, Tong et al. Insights into the in-situ generation of singlet oxygen via molecular oxygen activation over NiO@CuxO NRs/CF nanocomposite catalysts: Mechanisms of singlet oxygen evolution and chloroquine phosphate degradation [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 497 . |
| MLA | Shi, Xuelin et al. "Insights into the in-situ generation of singlet oxygen via molecular oxygen activation over NiO@CuxO NRs/CF nanocomposite catalysts: Mechanisms of singlet oxygen evolution and chloroquine phosphate degradation" . | CHEMICAL ENGINEERING JOURNAL 497 (2024) . |
| APA | Shi, Xuelin , Yan, Zihao , Zhu, Tong , Sun, Zhirong . Insights into the in-situ generation of singlet oxygen via molecular oxygen activation over NiO@CuxO NRs/CF nanocomposite catalysts: Mechanisms of singlet oxygen evolution and chloroquine phosphate degradation . | CHEMICAL ENGINEERING JOURNAL , 2024 , 497 . |
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Abstract ：
Excess sludge fermentation is a commonly employed method for carbon sources in wastewater treatment plants, but its use as a carbon source for chlorophenol removal has been relatively underexplored. In this study, a laboratory-scale sludge fermentation SBR (FSBR) was integrated with a 2,4,6-trichlorophenol (2,4,6-TCP) degradation SBR (DSBR), resulting in a stable removal of 2,4,6-TCP without the need for external carbon sources. In this coupled system, the concentrations of volatile fatty acids in FSBR remained constant, with acetic acid, propionic acid, butyric acid, and valeric acid concentrations reaching 322.04 mg COD/L, 225.98 mg COD/L, 274.76 mg COD/L, and 149.58 mg COD/L, respectively, and the acid production efficiency increased to 88.40%. Throughout the 110-day operational period, the activated sludge concentration in the DSBR was consistently maintained at 3021 +/- 110 mg/L, and the sludge SVI remained stable at 70 mL/g. The maximum amount of 2,4,6-TCP removed reached 240.13 mg/L within a 12 h operating cycle. The use of excess sludge fermentation can completely replace commercial carbon sources for 2,4,6-TCP removal, leading to cost savings in chlorophenol treatment and broadening the applicability of this technology.
Keyword ：
co-metabolism co-metabolism carbon source carbon source coupling process coupling process excess sludge fermentation excess sludge fermentation 2,4,6-trichlorophenol 2,4,6-trichlorophenol
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| GB/T 7714 | Wang, Jianguang , Sun, Zhirong , Li, Jun . Feasibility Study of Using Excess Sludge Fermentation Broth as a Co-Metabolic Carbon Source for 2,4,6-Trichlorophenol Degradation [J]. | WATER , 2023 , 15 (22) . |
| MLA | Wang, Jianguang et al. "Feasibility Study of Using Excess Sludge Fermentation Broth as a Co-Metabolic Carbon Source for 2,4,6-Trichlorophenol Degradation" . | WATER 15 . 22 (2023) . |
| APA | Wang, Jianguang , Sun, Zhirong , Li, Jun . Feasibility Study of Using Excess Sludge Fermentation Broth as a Co-Metabolic Carbon Source for 2,4,6-Trichlorophenol Degradation . | WATER , 2023 , 15 (22) . |
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Abstract ：
This study aimed to further improve the degradation efficiency of pollutants by electrochemical oxidation system and reduce the consumption of electric energy. A simple method of electrochemical exfoliation was used to modify graph-ite felt (GF) to prepare an anode material (Ee-GF) with high degradation performance. An anode and cathode cooper-ative oxidation system was constructed with Ee-GF as the anode and CuFe2O4/Cu2O/Cu@EGF as the cathode to efficiently degrade sulfamethoxazole (SMX). Complete degradation of SMX was achieved within 30 min. Compared with anodic oxidation system alone, the degradation time of SMX was reduced by half and the energy consumption was reduced by 66.8 %. The system displayed excellent performance for the degradation of different concentrations (10-50 mg L-1) of SMX, different pollutants, and under different water quality conditions. In addition, the system still maintained 91.7 % removal rate of SMX after ten consecutive runs. At least 12 degradation products and seven possible degradation routes of SMX were generated in the degradation process by the combined system. The eco-toxicity of degradation products of SMX was reduced after the proposed treatment. This study provided a theoretical basis for the safe, efficient, and low energy consumption removal of antibiotic wastewater.
Keyword ：
Sulfamethoxazole degradation Sulfamethoxazole degradation Anode and cathode cooperative oxidation Anode and cathode cooperative oxidation Graphite felt Graphite felt Ecotoxicity Ecotoxicity Density functional theory Density functional theory
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| GB/T 7714 | Qi, Haiqiang , Shi, Xuelin , Liu, Zhibin et al. An anode and cathode cooperative oxidation system constructed with Ee-GF as anode and CuFe2O4/Cu2O/Cu@EGF as cathode for the efficient removal of sulfamethoxazole [J]. | SCIENCE OF THE TOTAL ENVIRONMENT , 2023 , 875 . |
| MLA | Qi, Haiqiang et al. "An anode and cathode cooperative oxidation system constructed with Ee-GF as anode and CuFe2O4/Cu2O/Cu@EGF as cathode for the efficient removal of sulfamethoxazole" . | SCIENCE OF THE TOTAL ENVIRONMENT 875 (2023) . |
| APA | Qi, Haiqiang , Shi, Xuelin , Liu, Zhibin , Yan, Zihao , Sun, Zhirong . An anode and cathode cooperative oxidation system constructed with Ee-GF as anode and CuFe2O4/Cu2O/Cu@EGF as cathode for the efficient removal of sulfamethoxazole . | SCIENCE OF THE TOTAL ENVIRONMENT , 2023 , 875 . |
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Abstract ：
The synergistic activation of persulfate (PS) by electrochemical oxidation (EO) and transition metals has gradually attracted attention as an emerging wastewater method. In this work, a Co-Fe oxide modified graphite felt composite cathode (FeO-CoFeO/GF) was prepared by in-situ solvothermal growth and calcination for PS activation to degrade atrazine (ATZ). The surface morphology, phase composition, microstructure, specific surface area, element valence, and electrochemical properties of the materials were characterized. The EO/FeO-CoFeO/ GF + PS system achieved 100% ATZ removal within 35 min and PS was effectively activated by the electrically enhanced FeO-CoFeO/GF compared with other control experiments. The FeO-CoFeO/GF composite cathode exhibited superior catalytic activity in a wide pH range (3-9) and demonstrated good stability in six consecutive cycles. Reactive oxide species were identified by radical quenching tests and electron paramagnetic resonance. Electrochemical oxidation, radical oxidation and non-radical oxidation jointly participate in attacking ATZ. A catalytic mechanism for this synergistic system was proposed to explain PS activation and subsequent ATZ degradation. Furthermore, potential ATZ degradation pathways were proposed. Toxicity changes were evaluated using the Ecological Structure Activity Relationships and Escherichia coli growth inhibition tests. This work provides a feasible strategy for synergistically strengthening PS activation and promoting the degradation of persistent organic pollutants.
Keyword ：
Persulfate Persulfate Electro-activation Electro-activation Layered double oxide Layered double oxide Toxicity Toxicity Atrazine Atrazine
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| GB/T 7714 | Sun, Xiuping , Liu, Zhibin , Sun, Zhirong . Electro-enhanced degradation of atrazine via Co-Fe oxide modified graphite felt composite cathode for persulfate activation [J]. | CHEMICAL ENGINEERING JOURNAL , 2022 , 433 . |
| MLA | Sun, Xiuping et al. "Electro-enhanced degradation of atrazine via Co-Fe oxide modified graphite felt composite cathode for persulfate activation" . | CHEMICAL ENGINEERING JOURNAL 433 (2022) . |
| APA | Sun, Xiuping , Liu, Zhibin , Sun, Zhirong . Electro-enhanced degradation of atrazine via Co-Fe oxide modified graphite felt composite cathode for persulfate activation . | CHEMICAL ENGINEERING JOURNAL , 2022 , 433 . |
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Abstract ：
The effective degradation of Sulfamethoxazole (SMX) is of great importance to alleviate environmental pollution. In this study, the degradation capacity of an ordinary sequencing batch activated sludge system (SBR) and montmorillonite (MMT) system was compared for their ability to degrade different concentrations of SMX. Compared with SBR system, the MMT system exhibited higher stability and degradation capacity. The changes in the composition of tightly bound extracellular polymeric substances (TB-EPS) were likely key to the observed stability of the system. High concentrations of SMX inhibited the degradation performance of SBR. MMTsupplemented reduced the generation of antibiotic resistance genes (ARGs). Thauera is a gene that is able to degrade SMX, and its abundance in MMT system reached 7.84%. As potential hosts of ARGs, the proportions of Paenarthrobacter and Caldilineacea were significantly correlated with sulfonamide resistance genes (sul1 and sul2). Overall, MMT-supplemented system was found to be a favorable method of treating antibiotic.
Keyword ：
Antibiotic resistance gene Antibiotic resistance gene Extracellular polymeric substance Extracellular polymeric substance Bacterial community Bacterial community Sulfamethoxazole Sulfamethoxazole Metabolism Metabolism
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| GB/T 7714 | Liu, Zhibin , Sun, Xiuping , Sun, Zhirong . Degradation mechanism of montmorillonite-enhanced antibiotic wastewater: performance, antibiotic resistance genes, microbial communities, and functional metabolism [J]. | BIORESOURCE TECHNOLOGY , 2022 , 352 . |
| MLA | Liu, Zhibin et al. "Degradation mechanism of montmorillonite-enhanced antibiotic wastewater: performance, antibiotic resistance genes, microbial communities, and functional metabolism" . | BIORESOURCE TECHNOLOGY 352 (2022) . |
| APA | Liu, Zhibin , Sun, Xiuping , Sun, Zhirong . Degradation mechanism of montmorillonite-enhanced antibiotic wastewater: performance, antibiotic resistance genes, microbial communities, and functional metabolism . | BIORESOURCE TECHNOLOGY , 2022 , 352 . |
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Abstract ：
Bifunctional cathodes have attracted widespread interest in the heterogeneous electro-Fenton (hetero-EF) process. In this study, the bifunctional composite cathode co-modified with N-doped carbon CoFe alloy (CoFe@NC) and carbon nanotubes (CNTs), designated as CoFe@NC-CNTs/CNTs/NF, integrating hydrogen peroxide (H2O2) synthesis and catalysis, was prepared for efficient degradation of atrazine (ATZ) under the near-neutral condition (pHi = 5.9). The morphology properties, crystal structure, microstructures, and elemental composition were determined. The influences of current density, initial pH value, different anions, and water matrix on the removal of ATZ were systematically studied. In the hetero-EF process, high removal efficiencies of ATZ can be achieved over the broad pH range (3-9) under the current density of 4.5 mA cm-2. The removal efficiency of ATZ remained at 90.2 +/- 0.3% after 8 cycles under the near-neutral condition (pHi = 5.9). Radical quenching tests and EPR spectra have verified that both free radical pathways such as superoxide anion (O-2(center dot-)) and hydroxyl radical ((OH)-O-center dot) and non-radical pathway such as singlet oxygen (O-1(2)) contributed to ATZ removal. The degradation pathways and catalytic mechanism were proposed. Toxicity evaluation and Escherichia coli growth test showed that the toxicity gradually decreased during the degradation process. This work provided a new thought for developing an efficient and stable bifunctional cathode to construct an in-situ hetero-EF system for pollutants removal over the wide pH range.
Keyword ：
Singlet oxygen Singlet oxygen Atrazine Atrazine Heterogeneous electro-Fenton Heterogeneous electro-Fenton CoFe alloy CoFe alloy Broad pH Broad pH
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| GB/T 7714 | Sun, Xiuping , Qi, Haiqiang , Sun, Zhirong . Bifunctional nickel foam composite cathode co-modified with CoFe@NC and CNTs for electrocatalytic degradation of atrazine over wide pH range [J]. | CHEMOSPHERE , 2022 , 286 . |
| MLA | Sun, Xiuping et al. "Bifunctional nickel foam composite cathode co-modified with CoFe@NC and CNTs for electrocatalytic degradation of atrazine over wide pH range" . | CHEMOSPHERE 286 (2022) . |
| APA | Sun, Xiuping , Qi, Haiqiang , Sun, Zhirong . Bifunctional nickel foam composite cathode co-modified with CoFe@NC and CNTs for electrocatalytic degradation of atrazine over wide pH range . | CHEMOSPHERE , 2022 , 286 . |
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Abstract ：
A novel gas diffusion electrode (GDE) device is proposed that can generate hydrogen peroxide (H2O2) efficiently and consume less energy than conventional GDE devices. By optimizing the mass fraction of PTFE (40%) and CB loading (0.4 mL cm(-2)), the three-dimensional nickel foam composite electrode (CB/PTFE/NF) was endowed with a stable solid-liquid-gas three-phase interface. CB/PTFE/NF was used as the cathode to efficiently generate H2O2 without external aeration using the natural air flow and evolution of oxygen at the mixed metal oxide (MMO) anode as the oxygen sources. After running for 150 min under optimal conditions, the H2O2 accumulation was 398 mg L-1, the yield of H2O2 reached 3.17 mg h(-1) cm(-2), and the current efficiency and energy consumption were 70% and 9.7 kWh kg( 1), respectively. The electrode had a good stability, and the H2O2 production could still reach 385 mg L-1 after 10 cycles. Based upon the proposed GDE device, the electro-Fenton degradation of amoxicillin (AMX) was investigated. When the Fe2+ concentration was 0.3 mM and the initial concentration of AMX was 50 mg L-1, the removal efficiency was 100% after 30 min. The active species that played a major role in the degradation of AMX was the hydroxyl radical.
Keyword ：
Two oxygen sources Two oxygen sources Electro-Fenton Electro-Fenton Floating gas diffusion electrode Floating gas diffusion electrode Hydroxyl radical Hydroxyl radical Absence of external aeration Absence of external aeration
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| GB/T 7714 | Sun, Xiuping , Lv, Jiajing , Yan, Zihao et al. A three-dimensional gas diffusion electrode without external aeration for producing H2O2 and eliminating amoxicillin using electro-Fenton process [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2022 , 10 (2) . |
| MLA | Sun, Xiuping et al. "A three-dimensional gas diffusion electrode without external aeration for producing H2O2 and eliminating amoxicillin using electro-Fenton process" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 10 . 2 (2022) . |
| APA | Sun, Xiuping , Lv, Jiajing , Yan, Zihao , Sun, Zhirong . A three-dimensional gas diffusion electrode without external aeration for producing H2O2 and eliminating amoxicillin using electro-Fenton process . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2022 , 10 (2) . |
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Abstract ：
In the heterogeneous electro-Fenton (EF) system, high-efficiency and durable materials have attracted wide-spread attention as cathodes for degradation of refractory organic pollutants. In this study, a stable Cu/Fe oxide modified graphite felt electrode (Cu0.33Fe0.67NBDC-300/GF) was fabricated via a one-step hydrothermal method and subsequent thermal treatment, which used a bimetallic metal-organic framework (MOF) with 2-aminoter-ephthalic acid (NH2BDC) ligand as the precursor. The Cu(0.3)3Fe(0.67)NBDC-300/GF electrode was used as the cathode for sulfamethoxazole (SMX) degradation in the heterogeneous EF process. The coexistence of the Fe-II/ Fe-III and Cu-I/Cu-II redox couples significantly accelerates the regeneration of Fe-II and promotes the generation of active free radicals (center dot OH and center dot O-2(-) ). Fe-IV was detected during the process, which indicates that the high-valent iron-oxo species was produced in near-neutral pH conditions. The removal efficiency of SMX (10 mg L-1) can reach 100.0% within 75 min over a wide pH range (4.0-9.0). After five cycles, the electrode retained a high stability and an outstanding catalytic capacity. Furthermore, the mechanisms and pathways for SMX degradation were proposed, the products and intermediates of SMX were analyzed, and the toxicity was evaluated. It was found that the toxicity decreased after degradation. This study displays a novel strategy for building an efficient and stable self-supporting electrode for treating antibiotic wastewater.
Keyword ：
Metal-organic framework precursor Metal-organic framework precursor Heterogeneous electro-Fenton Heterogeneous electro-Fenton Synergistic effect Synergistic effect Sulfamethoxazole Sulfamethoxazole Graphite felt Graphite felt
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| GB/T 7714 | Fu, Ao , Liu, Zhibin , Sun, Zhirong . Cu/Fe oxide integrated on graphite felt for degradation of sulfamethoxazole in the heterogeneous electro-Fenton process under near-neutral conditions [J]. | CHEMOSPHERE , 2022 , 297 . |
| MLA | Fu, Ao et al. "Cu/Fe oxide integrated on graphite felt for degradation of sulfamethoxazole in the heterogeneous electro-Fenton process under near-neutral conditions" . | CHEMOSPHERE 297 (2022) . |
| APA | Fu, Ao , Liu, Zhibin , Sun, Zhirong . Cu/Fe oxide integrated on graphite felt for degradation of sulfamethoxazole in the heterogeneous electro-Fenton process under near-neutral conditions . | CHEMOSPHERE , 2022 , 297 . |
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