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学者姓名：范功端
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Abstract ：
Nanozymes represent a new generation of artificial enzymes that combine nanomaterial properties with catalytic activities similar to those of natural enzymes. It has significant advantages in catalytic efficiency, selectivity, and stability, leading to increasing interest in their application in aqueous environments. Since the discovery of enzyme-like activity in Fe3O4, more and more iron-based nanozymes have been utilised for the detection and removal of pollutants. Iron is a non-toxic, low-cost transition metal, and this property makes iron-based nanozymes more compatible with safety requirements in aqueous environmental applications. Although iron-based nanozymes have demonstrated significant advantages in the water environment field, the relevant research is still in its infancy. Therefore, it is of great practical significance to systematically summarise the latest applications of iron-based nanozymes in the water environment. This paper describes the common methods of synthesising iron-based nanozymes. In addition, the applications of iron-based nanozymes in detecting pollutants and pollutant removal are reviewed. It was found that the removal of pollutants by iron-based nanozymes was mainly achieved through the reactive oxygen species, whereas the recognition of pollutants primarily depended on the reactions of iron-based nanozymes, such as colour development, fluorescence, and chemiluminescence. Finally, we highlight the challenges and future prospects for the application of iron-based nanozymes in water environments. In summary, this paper systematically summaries and discusses the common synthesis methods of iron-based nanozymes and their applications in the aquatic environment, with a view to providing new ideas for overcoming the limitations of traditional pollutant detection and removal methods and realising the high-quality development of iron-based nanozymes in water environment.
Keyword ：
iron iron nanozymes nanozymes pollutant degradation pollutant degradation pollutant detection pollutant detection preparation method preparation method
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| GB/T 7714 | Cao, Xingfeng , Fan, Gongduan , Wu, Shiyun et al. Preparation of Iron-Based Nanozymes and Their Application in Water Environment: A Review [J]. | WATER , 2024 , 16 (23) . |
| MLA | Cao, Xingfeng et al. "Preparation of Iron-Based Nanozymes and Their Application in Water Environment: A Review" . | WATER 16 . 23 (2024) . |
| APA | Cao, Xingfeng , Fan, Gongduan , Wu, Shiyun , Luo, Jing , Lin, Yuhan , Zheng, Weixin et al. Preparation of Iron-Based Nanozymes and Their Application in Water Environment: A Review . | WATER , 2024 , 16 (23) . |
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To mitigate the profound impact of Microcystis aeruginosa algal bloom outbreaks on aquatic ecosystems and human health, a piezoelectric T-BaTiO3/Ag3PO4-PVDF composite photocatalyst (T-BTO/AP-PVDF) was successfully synthesized in this study. The catalyst inactivated 97.12% of Microcystis aeruginosa within 4 h by the combined effect of ultrasound and sunlight, and the inactivation rate remained above 88% after five cycles of reuse, which exhibits excellent inactivation effectiveness and stability. Under the conditions of piezophotocatalytic, the analysis of the physiological properties of algal cells showed that T-BTO/AP-PVDF produced a large amount of center dot OH, which were active species that could effectively inactivate the algal cells and promote the degradation of organic matter, thus preventing the occurrence of secondary pollution. The composite photocatalysts were characterized using XRD, SEM, XPS, FTIR, PFM, and WCA. Combined with the results of quenching experiments, possible mechanisms for the inactivation of Microcystis aeruginosa by T-BTO/AP-PVDF were proposed. The application results in actual water bodies further proved that T-BTO/AP-PVDF is a new method for effectively inhibiting cyanobacterial bloom outbreaks and shows promising potential for application.
Keyword ：
beta-phase PVDF beta-phase PVDF Inactivation mechanism Inactivation mechanism Microcystis aeruginosa Microcystis aeruginosa Piezoelectric photocatalysis Piezoelectric photocatalysis Tetragonal barium titanate Tetragonal barium titanate
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| GB/T 7714 | Tao, Yang , Fan, Gongduan , Lin, Xin et al. Inactivation of Microcystis aeruginosa using piezoelectric T-BaTiO3/ Ag3PO4-PVDF composite photocatalyst: Characterization, performance and mechanism [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 349 . |
| MLA | Tao, Yang et al. "Inactivation of Microcystis aeruginosa using piezoelectric T-BaTiO3/ Ag3PO4-PVDF composite photocatalyst: Characterization, performance and mechanism" . | SEPARATION AND PURIFICATION TECHNOLOGY 349 (2024) . |
| APA | Tao, Yang , Fan, Gongduan , Lin, Xin , Cai, Chenjian , Cao, Xingfeng , He, Zhimin et al. Inactivation of Microcystis aeruginosa using piezoelectric T-BaTiO3/ Ag3PO4-PVDF composite photocatalyst: Characterization, performance and mechanism . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 349 . |
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A novel Ag 3 PO 4 /ZnWO 4 -modified graphite felt electrode (AZW@GF) was prepared by drop coating method and applied to photoelectrocatalytic removal of harmful algae. Results showed that approximately 99.21% of chlorophyll a and 91.57% of Microcystin-LR (MCLR) were degraded by the AZW@GF-Pt photoelectrocatalytic system under the optimal operating conditions with a rate constant of 0.02617 min -1 and 0.01416 min -1 , respectively. The calculated synergistic coefficient of photoelectrocatalytic algal removal and MC-LR degradation by the AZW@GF-Pt system was both larger than 1.9. In addition, the experiments of quenching experiments and electron spin resonance (ESR) revealed that the photoelectrocatalytic reaction mainly generated center dot OH and center dot O 2 - for algal removal and MC-LR degradation. Furthermore, the potential pathway for photoelectrocatalytic degradation of MC-LR was proposed. Finally, the photoelectrocatalytic cycle algae removal experiments were carried out on AZW@GF electrode, which was found to maintain the algae removal efficiency at about 91% after three cycles of use, indicating that the photoelectrocatalysis of AZW@GF electrode is an effective emergency algae removal technology.
Keyword ：
Graphite felt electrode Graphite felt electrode Harmful algae Harmful algae Inactivation mechanism Inactivation mechanism Photoelectrocatalysis Photoelectrocatalysis
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| GB/T 7714 | Cai, Chenjian , Fan, Gongduan , Cao, Xingfeng et al. Novel Ag3PO4/ZnWO4-modified graphite felt electrode for photoelectrocatalytic removal of harmful algae: Performance and mechanism [J]. | JOURNAL OF HAZARDOUS MATERIALS , 2024 , 470 . |
| MLA | Cai, Chenjian et al. "Novel Ag3PO4/ZnWO4-modified graphite felt electrode for photoelectrocatalytic removal of harmful algae: Performance and mechanism" . | JOURNAL OF HAZARDOUS MATERIALS 470 (2024) . |
| APA | Cai, Chenjian , Fan, Gongduan , Cao, Xingfeng , Luo, Jing , He, Zhimin , Wang, Shichang et al. Novel Ag3PO4/ZnWO4-modified graphite felt electrode for photoelectrocatalytic removal of harmful algae: Performance and mechanism . | JOURNAL OF HAZARDOUS MATERIALS , 2024 , 470 . |
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DMA(District Metering Area)是实现供水管网低碳运行与漏损控制的重要手段,但在大多数工程案例中,往往会忽视或舍弃已有分区基础,从而造成大量资源浪费等现象.针对这一问题,提出一种基于改进谱聚类算法的DMA分区优化方案,它可以充分利用已有分区基础条件,并利用NSGA-Ⅱ算法对分区方案改造成本、管道压力和经济流速进行优化,在已有分区的基础上提出最优的二级分区解决方案.将该方法应用于L县供水管网的分区改造工程中,相比传统谱聚类算法,分区改造成本降低33.63％,最大分区压力标准差降低3.22％,非经济流速管道占比降低0.88％.结果表明,改进方法的经济性和水力性能均得到显著提升,可为同类工程提供参考.
Keyword ：
DMA分区 DMA分区 NSGA-Ⅱ算法 NSGA-Ⅱ算法 供水管网 供水管网 改进谱聚类算法 改进谱聚类算法
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| GB/T 7714 | 吴永亮 , 范功端 , 陈丰 et al. 基于改进谱聚类算法的供水管网DMA分区优化研究 [J]. | 市政技术 , 2024 , 42 (12) : 55-60,181 . |
| MLA | 吴永亮 et al. "基于改进谱聚类算法的供水管网DMA分区优化研究" . | 市政技术 42 . 12 (2024) : 55-60,181 . |
| APA | 吴永亮 , 范功端 , 陈丰 , 曾力 , 蔡志鹏 . 基于改进谱聚类算法的供水管网DMA分区优化研究 . | 市政技术 , 2024 , 42 (12) , 55-60,181 . |
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Membrane electrochemical reactor (MER) shows superiority to electrochemical oxidation (EO) in high salinity organic wastewater (HSOW) treatment, but requirement of proton exchange membranes (PEM) increases investment and maintenance cost. In this work, the feasibility of using low-cost pressure-driven membranes as the separation membrane in MER system was systematically investigated. Commonly used pressure-driven membranes, including loose membranes such as microfiltration (MF) and ultrafiltration (UF), as well as dense membranes like nanofiltration (NF) and reverse osmosis (RO), were employed in the study. When tested in a contamination-free solution, MF and UF exhibited superior electrochemical performance compared to PEM, with comparable pH regulation capabilities in the short term. When foulant (humic acid, Ca2+ and Mg2+) presented in the feed, UF saved the most energy (43 %) compared to PEM with similar removal rate of UV254 (similar to 85 %). In practical applications of MER for treating nanofiltration concentrate (NC) of landfill leachate, UF saved 27 % energy compared to PEM per cycle with the least Ca2+ and Mg2+ retention in membrane and none obvious organics permeation. For fouled RO and PEM with ion transport impediment, water splitting was exacerbated, which decreased the percentage of oxidation for organics. Overall, replacing of PEM with UF significantly reduce the costs associated with both the investment and operation of MER, which is expected to broaden the practical application for treating HSOW.
Keyword ：
Energy consumption Energy consumption High salinity organic wastewater High salinity organic wastewater Membrane electrochemical reactor Membrane electrochemical reactor Pressure-driven membrane Pressure-driven membrane
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| GB/T 7714 | Yan, Zhongsen , Chen, Xiaolei , Chang, Haiqing et al. Feasibility of replacing proton exchange membranes with pressure-driven membranes in membrane electrochemical reactors for high salinity organic wastewater treatment [J]. | WATER RESEARCH , 2024 , 254 . |
| MLA | Yan, Zhongsen et al. "Feasibility of replacing proton exchange membranes with pressure-driven membranes in membrane electrochemical reactors for high salinity organic wastewater treatment" . | WATER RESEARCH 254 (2024) . |
| APA | Yan, Zhongsen , Chen, Xiaolei , Chang, Haiqing , Pang, Heliang , Fan, Gongduan , Xu, Kaiqin et al. Feasibility of replacing proton exchange membranes with pressure-driven membranes in membrane electrochemical reactors for high salinity organic wastewater treatment . | WATER RESEARCH , 2024 , 254 . |
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Algal blooms have become a widespread concern for drinking water production, threatening ecosystems and human health. Photocatalysis, a promising advanced oxidation process (AOP) technology for wastewater treatment, is considered a potential measure for in situ remediation of algal blooms. However, conventional photocatalysts often suffer from limited visible-light response and rapid recombination of photogenerated electron-hole pairs. In this study, we prepared a Z-scheme AgBr/NH2-MIL-125(Ti) 2-MIL-125(Ti) composite with excellent visible light absorption performance using co-precipitation to efficiently inactivate Microcystis aeruginosa. . The degradation efficiency of AgBr/NH2-MIL-125(Ti) 2-MIL-125(Ti) for chlorophyll a was 98.7 % after 180 min of visible light irradiation, significantly surpassing the degradation rate efficiency of AgBr and NH2-MIL-125(Ti) 2-MIL-125(Ti) by factors of 3.20 and 36.75, respectively. Moreover, the removal rate was maintained at 91.1 % even after five times of repeated use. The experimental results indicated that superoxide radicals (center dot O2- center dot O 2- ) were the dominant reactive oxygen species involved. The photocatalytic reaction altered the morphology and surface charge of algal cells, inhibited their metabolism, and disrupted their photosynthetic and antioxidant systems. In conclusion, this study presents a promising material for the application of photocatalytic technology in algal bloom remediation.
Keyword ：
AgBr AgBr Mechanism Mechanism Microcystis aeruginosa Microcystis aeruginosa NH2-MIL-125(Ti) NH2-MIL-125(Ti) Z-scheme Z-scheme
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| GB/T 7714 | Cao, Xingfeng , Fan, Gongduan , Luo, Jing et al. High-efficiency removal of microcystis aeruginosa using Z-scheme AgBr/ NH2-MIL-125(Ti) photocatalyst with superior visible-light absorption: Performance insights and mechanisms [J]. | JOURNAL OF HAZARDOUS MATERIALS , 2024 , 478 . |
| MLA | Cao, Xingfeng et al. "High-efficiency removal of microcystis aeruginosa using Z-scheme AgBr/ NH2-MIL-125(Ti) photocatalyst with superior visible-light absorption: Performance insights and mechanisms" . | JOURNAL OF HAZARDOUS MATERIALS 478 (2024) . |
| APA | Cao, Xingfeng , Fan, Gongduan , Luo, Jing , Zhang, Ling , Wu, Shiyun , Yao, Yixin et al. High-efficiency removal of microcystis aeruginosa using Z-scheme AgBr/ NH2-MIL-125(Ti) photocatalyst with superior visible-light absorption: Performance insights and mechanisms . | JOURNAL OF HAZARDOUS MATERIALS , 2024 , 478 . |
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Photocatalysis has become an effective method to control harmful algal blooms, while conventional photocatalysts usually have high carrier recombination rates and low response to visible light. The coupling of the piezoelectric effect with photocatalysis is considered to be one of the most promising approaches to overcome the above inadequacies. In this study, the T-BaTiO3/Ag3PO4 (T-BTO/AP) with piezoelectricity was constructed and applied for the first time for the removal of M. aeruginosa under visible light with ultrasound. The experimental results showed that T-BTO/AP forms a built-in electric field under ultrasound, and the photogenerated carriers transfer path was transformed from the conventional type II to type Z, which changed the band structure of T-BTO/AP and greatly improved its catalytic efficiency. The T-BTO/AP-50 exhibited the best algae removal performance under visible light with ultrasound, and the removal rate of chlorophyll a could achieve 96.1 % within 4 h under the piezophotocatalyst dosage of 50 mg/L. Meanwhile, the photosynthetic system and cell membranes of M. aeruginosa were severely damaged under the continuous attack of center dot OH and center dot O-2(-). Furthermore, T-BTO/AP-50 still reached a 90 % degradation rate for chlorophyll a after five cycles of reused experiments, indicating its great reusability. Overall, this study provided a promising approach for algae removal.
Keyword ：
M. aeruginosa M. aeruginosa Piezophotocatalystic Piezophotocatalystic T-BaTiO3/Ag3PO4 T-BaTiO3/Ag3PO4 Ultrasound Ultrasound Visible light Visible light
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| GB/T 7714 | Fan, Gongduan , Zhang, Ling , Lin, Xin et al. Fabrication of heterostructured T-BaTiO3/Ag3PO4 for efficient piezophotocatalytic inactivation of M. aeruginosa under visible light with ultrasound [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 338 . |
| MLA | Fan, Gongduan et al. "Fabrication of heterostructured T-BaTiO3/Ag3PO4 for efficient piezophotocatalytic inactivation of M. aeruginosa under visible light with ultrasound" . | SEPARATION AND PURIFICATION TECHNOLOGY 338 (2024) . |
| APA | Fan, Gongduan , Zhang, Ling , Lin, Xin , Cao, Xingfeng , Li, Hao , Luo, Jing et al. Fabrication of heterostructured T-BaTiO3/Ag3PO4 for efficient piezophotocatalytic inactivation of M. aeruginosa under visible light with ultrasound . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 338 . |
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In recent years, photocatalytic technology has been increasingly used for the treatment of algal blooms in water bodies due to its high efficiency and environmental advantages. However, conventional semiconductor materials suffer from high electron-hole recombination rate, low carrier mobility and weak surface adsorption ability, which made their photocatalytic performance limited. Therefore, the photocatalytic performance of the composites can be improved by coupling another semiconductor material to form a heterojunction to accelerate electron transfer. In this study, a novel composite Ag3VO4/BiVO4 (ABV) photocatalyst was successfully prepared by in-situ deposition method for the photocatalytic inactivation of Microcystis aeruginosa (M. aeruginosa) under visible light. The photocatalyst showed excellent photocatalytic activity, and the degradation rate of M. aeruginosa chlorophyll a was up to 99.8% within 4 h under visible light. During the photocatalytic degradation, the morphology of algae cells, the permeability of cell membrane, the organic matter inside and outside the cells, the antioxidant system and the soluble protein were seriously damaged. Moreover, three cycle experiments showed that the prepared ABV photocatalyst had high reusability. Finally, a possible mechanism of M. aeruginosa inactivation was proposed. In general, the synthesized ABV photocatalyst can effectively inactivate cyanobacteria under visible light and provided a new method for M. aeruginosa removal in water. © 2023 Elsevier Ltd
Keyword ：
Bacteria Bacteria Cytology Cytology Degradation Degradation Electronic properties Electronic properties Environmental technology Environmental technology Heterojunctions Heterojunctions Hole mobility Hole mobility Morphology Morphology Photocatalytic activity Photocatalytic activity Photoelectrochemical cells Photoelectrochemical cells Reusability Reusability
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| GB/T 7714 | Fan, Gongduan , Lin, Qiuan , Lin, Jiuhong et al. Effective photocatalytic inactivation of Microcystis aeruginosa by Ag3VO4/BiVO4 heterojunction under visible light [J]. | Chemosphere , 2024 , 347 . |
| MLA | Fan, Gongduan et al. "Effective photocatalytic inactivation of Microcystis aeruginosa by Ag3VO4/BiVO4 heterojunction under visible light" . | Chemosphere 347 (2024) . |
| APA | Fan, Gongduan , Lin, Qiuan , Lin, Jiuhong , Xia, Mingqian , Chen, Shoubin , Luo, Jing et al. Effective photocatalytic inactivation of Microcystis aeruginosa by Ag3VO4/BiVO4 heterojunction under visible light . | Chemosphere , 2024 , 347 . |
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Eutrophication in water bodies has caused harmful algal blooms (HABs) to occur worldwide, resulting in significant impacts on both the environment and human well-being. In this work, a Z -scheme Ag2MoO4/BiVO4 (AMB) photocatalyst with Ag as the charge transfer mediator was constructed by depositing Ag2MoO4 on BiVO4 through a simple in -situ generation method and characterized by various techniques. In addition, AMB-30% has the best photocatalytic performance, removing 99% of chlorophyll a within 3 h and performing well under different conditions. The physiological characteristics of algal cells were also investigated. The results showed that AMB-30% could not only destabilize the stability, membrane permeability and physiological function of algal cells, but also degrade the intracellular organic matter leaked out from the algal cells, effectively avoiding the secondary pollution of the water body while inactivating algae. Based on the identification of the active substance, the possible algal removal mechanism of Ag2MoO4/BiVO4 under the photocatalytic system was further proposed. Finally, the results of the five -cycle experiments and XRD characterization of AMB-30% demonstrated that it has great recyclability and stability, thus offering a favorable prospect in mitigating HABs.
Keyword ：
Ag2MoO4/BiVO4 Ag2MoO4/BiVO4 Mechanism Mechanism Microcystis aeruginosa Microcystis aeruginosa Photocatalysis Photocatalysis Visible light Visible light Z-scheme Z-scheme
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| GB/T 7714 | Fan, Gongduan , Hu, Kaiwei , Xia, Mingqian et al. Z-scheme Ag2MoO4/BiVO4 photocatalyst using Ag as charge transfer mediator: Performance optimization and Microcystis aeruginosa inactivation application [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2024 , 12 (2) . |
| MLA | Fan, Gongduan et al. "Z-scheme Ag2MoO4/BiVO4 photocatalyst using Ag as charge transfer mediator: Performance optimization and Microcystis aeruginosa inactivation application" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 12 . 2 (2024) . |
| APA | Fan, Gongduan , Hu, Kaiwei , Xia, Mingqian , Cai, Chenjian , He, Zhimin , Luo, Jing et al. Z-scheme Ag2MoO4/BiVO4 photocatalyst using Ag as charge transfer mediator: Performance optimization and Microcystis aeruginosa inactivation application . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2024 , 12 (2) . |
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Economic development and urbanization naturally give rise to expanding demand for new buildings, whose construction and operation inevitably lead to significant increases in energy consumption and greenhouse gas emissions. To better conserve resources and protect the environment, technologies for green buildings have evolved significantly in the past two decades. In this study, a scientometric analysis of green buildings research from 2003 to 2023 was performed using CiteSpace. A total of 1986 articles retrieved from the Web of Science (WoS) core collection database were used as the data source for an in-depth analysis of research trends, hotspots, and future directions, showing changes in publication numbers, core journals, key countries, and institutions that have made remarkable contributions in this field. The results showed that the field of green buildings research is in a phase of rapid growth. The current research hotspots include the adoption of the green buildings paradigm, rating systems, energy performance, greenhouse gas emissions, indoor environmental quality, and green roofs/walls. Based on the keywords citation bursts and literature review, we believe that government promotion measures, use of renewable energy, integration with plants, and application of artificial intelligence (AI) in green buildings will be the most promising development directions in the future.
Keyword ：
CiteSpace CiteSpace development prospects development prospects green buildings green buildings research hotspots research hotspots visualization visualization
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| GB/T 7714 | Wang, Chongqing , Che, Yanhong , Xia, Mingqian et al. The Evolution and Future Directions of Green Buildings Research: A Scientometric Analysis [J]. | BUILDINGS , 2024 , 14 (2) . |
| MLA | Wang, Chongqing et al. "The Evolution and Future Directions of Green Buildings Research: A Scientometric Analysis" . | BUILDINGS 14 . 2 (2024) . |
| APA | Wang, Chongqing , Che, Yanhong , Xia, Mingqian , Lin, Chenghan , Chen, Yuqi , Li, Xi et al. The Evolution and Future Directions of Green Buildings Research: A Scientometric Analysis . | BUILDINGS , 2024 , 14 (2) . |
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