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δ-MnO_(2) decorated layered double oxides in-situ grown on nickel foam towards electrothermal catalysis of n-heptane

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Journal of environmental sciences 2023年第4期126卷 308-320页

作者： Chaoqi Chen Shunzheng Zhao Xiaolong Tang Honghong Yi Fengyu Gao Qingjun Yu Jun Liu Weixiao Wang Tian Tang Xianzheng Meng Department of Environmental Engineering School of Energy and Environmental EngineeringUniversity of Science and Technology BeijingBeijing 100083China Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants Beijing 100083China

Energy-saving and efficient monolithic catalysts are hotspots of catalytic purification of industrial gaseous ***,we have developed an electrothermal catalytic mode,in which the ignition temperature required for the reaction is provided by Joule heat generated when the current flows through the *** this paper,Mn/NiAl/NF,Mn/NiFe/NF and Mn/NF metal-based monolithic catalysts were prepared using nickel foam (NF) as the carrier for thermal and electrothermal catalysis of *** results indicated that Mn-based monolithic catalysts exhibit high activity in thermal and electrothermal ***/NiFe/NF achieve conversion of n-heptane more than 99%in electrothermal catalysis under a direct-current (DC) power of 6 W,and energy-saving is 54% compared with thermal *** addition,the results indicated that the introduction of NiAl (or NiFe) greatly enhanced the catalytic activity of Mn/NF,which attributed to the higher specific surface area,Mn3+/Mn4+,Ni3+/Ni^(2+),adsorbed oxygen species (Oads)/lattice oxygen species (Olatt),redox performance of the *** catalytic activity was significantly higher than thermal catalytic activity before complete conversion,which may be related to electronic ***,Mn/NiFe/NF has good cyclic and long-term stability in electrothermal *** paper provided a theoretical basis for applying electrothermal catalysis in the field of VOCs elimination.

关键词： Monolithic catalyst MnO_(2) Electric heating n-Heptane

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Review on micro-mechanism of forming emulsification during rare earth extraction by acidic extractants

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Journal of Rare Earths 2025年第1期43卷 9-20,I0001页

作者： Jie Liu Yuxiu Zhao Zhirong Wang Minghui Jia Wenxiang Xia Guizhi Wu Wenda Guo Ru'an Chi Kun Huang School of Environmental and Municipal Engineering Qingdao University of TechnologyQingdao266100China Open Project of Key Laboratory of Green Chemical Engineering Process of Ministry of Education Wuhan Institute of Technologywuhan430205China School of Metallurgical and Ecological Engineering University of Science and Technology BeijingBeijing100083China

Solvent extraction is the main method used to separate and purify rare earth *** the process of rare earths extraction,emulsification often generated due to the instability of the aqueous and organic phases or improper operating *** emulsification occurs,it would not only lead to low rare earths recovery efficiency,small product quantities,high production costs and the losing of extractant and rare earth resources,but also result in serious environmental ***,it is very important to study the micro-mechanisms of emulsification and establish new methods to prevent emulsification at the *** this paper,possible factors resulting in emulsification,such as the compositions and properties of the organic and aqueous phases,the operating conditions of the rare earths extraction are *** micro-mechanisms of emulsification are summarized basing on the microscopic structures in the bulk phase,aggregations of the extractants at the organic-aqueous interface,spectral characterizations and computational *** this basis,new formation mechanisms are proposed for *** explorations are employed to verify the correctness of these new ***,future directions for studies of the emulsification micro-mechanism are *** study provides a theoretical basis for further understanding the micro-mechanisms of interfacial instability resulting in emulsification in the process of rare earths extraction.

关键词： Extraction Rare earths Emulsification Mechanism Interface

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Penicillin fermentation residue biochar as a high-performance electrode for membrane capacitive deionization

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Frontiers of environmental science & engineering 2023年第4期17卷 155-165页

作者： Jie Liu Junjun Ma Weizhang Zhong Jianrui Niu Zaixing Li Xiaoju Wang Ge Shen Chun Liu School of Environmental Science and Engineering Hebei University of Science and TechnologyShijiazhuang 050018China Pollution Prevention Biotechnology Laboratory of Hebei Province Shijiazhuang 050018China

Membrane capacitive deionization(MCDI)is an efficient desalination technology for *** fermentation residue biochar(PFRB)possesses a hierarchical porous and O/N-doped structure which could serve as a high-capacity desalination electrode in the MCDI *** optimal conditions(electrode weight,voltage,and concentration)and a carbonization temperature of 700℃,the maximum salt adsorption capacity of the electrode can reach 26.4 mg/g,which is higher than that of most carbon ***,the electrochemical properties of the PFRB electrode were characterized through cyclic voltammetry(CV)and electrochemical impedance spectroscopy(EIS)with a maximum specific capacitance of 212.18 F/***,biotoxicity tests have showed that PFRB was non-biotoxin against luminescent bacteria and the MCDI system with the PFRB electrode remained stable even after 27 adsorption–desorption *** study provides a novel way to recycle penicillin residue and an electrode that can achieve excellent desalination.

关键词： Membrane capacitive deionization(MCDI) Penicillin fermentation residue biochar (PFRB) Hierarchical porous O/N-doped Desalination

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Bi-ZFO/BMO-Vo Z-scheme heterojunction photocatalysis-PMS bidirectionally enhanced coupling system for environmental remediation

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材料科学技术（英文版） 2025年第5期208卷 164-175页

作者： Zhaoxin Lin Jing Shao JianWei Zhu Dandan Wang School of Chemistry and Environmental Engineering Changchun University of Science and TechnologyChangchun 130022China Zhongshan Institute of Changchun University of Science and Technology Zhongshan 528437China Zhongshan Institute of Changchun University of Science and Technology Zhongshan 528437China College of Engineering Jilin Normal UniversitySiping 136000China Key Laboratory of Preparation and Application of Environmental Friendly Materials(Jilin Normal University) Ministry of EducationChangchun 130103China

Given the urgency of organic pollutant removal and the low efficiency of advanced oxidation processes(AOPs),a novel Bi-ZFO/BMO-Vo photocatalyst was fabricated via the solvothermal method.A coupling system was constructed to combine photocatalysis with peroxymonosulfate(PMS)oxidation processes,which synergistically degrade organic ***-ZFO/BMO-Vo exhibited excellent photocatalytic per-formance,which could remove 100％RhB in 110 min and degrade 100％MG in 70 min,and 88％H-TC in 50 *** excellent catalytic performance of Bi-ZFO/BMO-Vo was not only attributed to the syner-gistic effect of PMS activation and photocatalysis,but also attributed to the SPR effect of Bi nanoparticles,electron capture of oxygen vacancies,and intense contact of Bi-ZFO/BMO-Vo *** active species capture experiments and EPR tests indicated that 1O2,SO4-·,OH,and O2-worked together for the RhB *** degradation intermediates of RhB were identified by *** on the exper-imental results,the band structure and Z-scheme charge transfer mechanism were *** evaluation indicated that Bi-ZFO/BMO-Vo-Vis/PMS could significantly reduce RhB *** efficient and stable catalyst is expected to be used in organic wastewater degradation and practical applications.

关键词： Z-scheme heterojunction Peroxymonosulfate Photocatalytic degradation Bi2MoO6

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Factors influencing the effectiveness of SM-VCE method in solving 3D surface deformation

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Geodesy and Geodynamics 2025年第1期16卷 55-66页

作者： Xupeng Liu Guangyu Xu Mingkai Chen Tengxu Zhang School of Surveying and Geoinformation Engineering East China University of TechnologyNanchang 330013China Key Laboratory of Mine Environmental Monitoring and Improving Around Poyang Lake of Ministry of Natural Resources East China University of TechnologyNanchang 330013China College of Resources and Environmental Science and Engineering Hubei University of Science and TechnologyXianning 437100China

The recovery of coseismic 3-dimensional(3D)surface deformation field plays a crucial role in studying seismic source characteristics and earthquake *** of now,there are two main types of methods for recovering coseismic 3D surface deformations:the first type is to solve the problem directly by using the least squares method based on observations from three or more viewpoints,and the second type solves the problem by combining ascending and descending In SAR line-of-sight(LOS)observations with constraint *** former type is mainly applicable to surface rupture earthquakes,because when an earthquake ruptures to the surface,we can usually obtain surface deformation observations from three or more *** latter type applies to earthquakes that do not cause surface ruptures and have extensive blind ***,most research focuses on improving the above types of ***,some key factors in the coseismic 3D surface deformation inversion are rarely mentioned,such as the influence of window size on the inversion results in the strain model and variance component estimation method(SM-VCE),and whether the outliers in the observational data are ***,we developed a new chain of integrating In SAR observation and SM-VCE model to systematically assess the impacts of window size and outliers on coseismic 3D surface deformation *** simulation experiments,we observed that the selection of window size significantly impacts the accuracy of the ***,larger window sizes lead to wider residuals ranges in the fault region,resulting in the loss of extreme solution values when using a window of 15×15 pixels(i.e.,7.5 km×7.5 km).Hence,we recommend utilizing windows with 7×7 pixels or 9×9 pixels for optimal accuracy,as larger window sizes diminish the significance of the *** elimination of points displaying different deformation directions helps reduce residuals and preserves near-field deformation ***

关键词： InSAR 3D surface deformation Window size Robust estimation

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FeMo@porous carbon derived from MIL-53(Fe)@MoO_(3) as excellent heterogeneous electro-Fenton catalyst: Co-catalysis of Mo

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Journal of environmental sciences 2023年第5期127卷 652-666页

作者： Xuedong Du Wenyang Fu Pei Su Qizhan Zhang Minghua Zhou Key Laboratory of Pollution Process and Environmental Criteria Ministry of EducationCollege of Environmental Science and EngineeringNankai UniversityTianjin 300350China Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution Nankai UniversityTianjin 300350China Tianjin Advanced Water Treatment Technology International Joint Research Center College of Environmental Science and EngineeringNankai UniversityTianjin 300350China

An ultra-efficient electro-Fenton catalyst with porous carbon coated Fe-Mo metal(FeMo@PC),was prepared by calcining MIL-53(Fe)@MoO_(3).This FeMo@PC-2 exhibited impressive catalytic performance for sulfamethazine(SMT)degradation with a high turnover frequency value(7.89 L/(g·min)),much better than most of reported *** mineralization current efficiency and electric energy consumption were 83.2%and 0.03 kWh/gTOC,respectively,at lowcurrent(5mA)and small dosage of catalyst(25.0mg/L).The removal rate of heterogeneous electro-Fenton(Hetero-EF)process catalyzed by FeMo@PC-2 was 4.58 times that of Fe@PC/Hetero-EF *** the internal-micro-electrolysis occurred between PC and Fe0,while the co-catalysis of Mo accelerated the rate-limiting step of the Fe^(3+)/Fe^(2+) cycle and greatly improved the H_(2)O_(2)utilization *** results of radical scavenger experiments and electron paramagnetic resonance confirmed the main role of surface-bound hydroxyl radical *** process was feasible to remove diverse organic contaminants such as phenol,2,4-dichlorophenoxyacetic acid,carbamazepine and *** paper enlightened the importance of the doped Mo,which could greatly improve the activity of the iron-carbon heterogeneous catalyst derived from metal-organic frameworks in EF process for efficient removal of organic contaminants.

关键词： Metal-organic frameworks derivatives Fe-Mo bimetal Porous carbon Co-catalysis Heterogeneous electro-Fenton

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Visible light-driven oxidation of non-native substrate by laccase attached on Ru-based metal-organic frameworks

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Journal of environmental sciences 2024年第3期137卷 741-753页

作者： Wenguang Huang Wentao Zhang Guantongyi Chen Yun Chen Jun Ma Dawei Huang Qinzheng Zhaoc Bingdang Wu State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment South China Institute of Environmental SciencesMinistry of Ecology and Environment of PRCGuangzhou 510655China Tsinghua Shenzhen International Graduate School Tsinghua UniversityShenzhen 518055China School of Environmental Science and Engineering Suzhou University of Science and TechnologySuzhou 215002China Key Laboratory of Suzhou Sponge City Technology Suzhou 215002China

Light-induced electron transfer can broaden the substrate range of ***,the efficiency of photo-enzyme coupling is limited by the poor combination of photosensitizer or photocatalyst with ***,we prepared the nano-photocatalyst MIL-125-NH_(2)@Ru(bpy)by in site embedding ruthenium pyridine-diimine complex[Ru(bpy)_(3)^(2+)into metal organic frameworks MIL-125-NH_(2)and associated it with multicopper oxidase(MCO)*** to[Ru(bpy)_(3)]^(2+),the coupling efficiency of MIL-125-NH_(2)@Ru(bpy)_(3)for enzymatic oxygen reduction increased by 35.7%.A series of characterizations confirmed that the amino group of laccase formed chemical bonds with the surface defects or hydrophobic groups of MIL-125-NH_(2)@Ru(bpy)_(3).Consequently,the tight binding accelerated the quenching process and electron transfer between laccase and the immobilized ruthenium pyridine-diimine *** work would open an avenue for the synthesis of MOFs photocatalyst towards photo-enzyme coupling.

关键词： Laccase Light-driven biocatalysis Ruthenium photocatalyst Metal-organic frameworks Enzyme immobilization

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Application of ceria materials modified by oxygen vacancies:In photocatalytic process

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Journal of Rare Earths 2025年第3期43卷 417-429,I0001页

作者： Peng Wang Fang Wang Quansheng Liu Yongxing Zhang Shukun Le Chengzhang Zhu Inner Mongolia Key Laboratory of High-Value Functional Utilization of Low Rank Carbon Resources Chemical Engineering CollegeInner Mongolia University of TechnologyHohhot010050China Department of Chemical and Environmental Engineering Hetao CollegeBayan Nur015000China Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation Huaibei Normal UniversityHuaibei235000China School of Environmental Science and Engineering Nanjing Tech UniversityNanjing210009China Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science MOEQingdao University of Science and TechnologyQingdao266042China

Cerium-based materials are widely used in various applications such as photocatalytic environmental remediation,CO_(2)photoreduction and photocatalytic hydrogen production due to their unique optical properties and special oxygen vacancy formation *** special external electronic structure of cerium(4f^(1)5d^(1)6s^(2)),the highly electronic 4f orbital,promotes the formation of oxygen vacancies through Ce^(4+)/Ce^(3+)conversion,thereby improving the optical properties of the ***,the application of cerium-based materials in the field of photocatalysis has been of great interest to *** this paper,we briefly review the synthesis of cerium-based photocatalysts and their applications in pollutant removal,CO_(2)reduction,and hydrogen production,as well as their promising applications.

关键词： Cerium-based materials Oxygen vacancy Morphology Photocatalytic application Rare earths

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Multi-strategy combined bionic coating for long-term robust protection against marine biofouling

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材料科学技术（英文版） 2025年第7期210卷 265-277页

作者： Nan Zheng Bo Jia Jie Liu Xiaojun Wang Duo Zhang Hairan Zhang Guoqing Wang Shaanxi Key Laboratory of Catalysis School of Chemical and Environmental ScienceShaanxi University of TechnologyHanzhong 723001PR China State Key Laboratory of Marine Resource Utilization in South China Sea School of Materials Science and EngineeringHainan UniversityHaikou 570228PR China Shaanxi Key Laboratory of Catalysis School of Chemical and Environmental ScienceShaanxi University of TechnologyHanzhong 723001PR China State Key Laboratory of Marine Resource Utilization in South China Sea School of Materials Science and EngineeringHainan UniversityHaikou 570228PR China

Polyurethane-fluorinated polysiloxane(PU-FPDMS)with high-strength,high-bonding and low surface en-ergy is synthesized as the matrix,and the PU-FPDMS/MCs/Ag marine anti-fouling coating on the sur-face of imitation crab shells is constructed by assembling butenolide@1,1-stilbene-modified hydrolyzed polyglycidyl methacrylate/graphene oxide microcapsules(Bu@PGMAm/GO MCs)with compact multi-shell structure and Ag nanoparticles(AgNPs)step by step on the PU-FPDMS *** PU-FPDMS/MCs/Ag bionic anti-fouling coatings achieve long-term and stable anti-fouling effect under the combination of robust low-surface-energy PU-FPDMS matrix,steady-state sustained release of butenolide encapsulated by the compact multi-shell,bionic surface formed by the microcapsules and AgNPs,and the release of Ag+.The shear strength,tensile strength,and elongation at break of the PU-FPDMS/MCs/Ag are 3.53 MPa,6.7 MPa,and 192.83％,*** static contact angle and sliding angle are 161.8° and 3.6°,*** antibacterial rate of PU-FPDMS/MCs/Ag against Escherichia coli,Staphylococcus aureus,and Candida albicans can reach 100％.Compared with glass blank,PU,PU-FPDMS,PU-FPDMS/Ag,and PU-FPDMS/MCs,both the adhesion number and coverage percentage of chlorella adhere to PU-FPDMS/MCs/Ag are the minimum values,which are 600 cell mm-2 and 1.53％,*** 6 months of marine field test,the primer blank,PU,PU-FPDMS all show different degrees of attachment by shellfish,spirorbis,al-gae and other biofouling,while the PU-FPDMS/MCs/Ag coating is still not covered with biofouling,while the PU-FPDMS/MCs/Ag coatings still exhibit little attachment of marine *** PU-FPDMS/MCs/Ag bionic anti-fouling coatings are expected to be widely used in the fields of anti-fouling,anti-icing,anti-fogging,drag reduction,self-cleaning,and antibacterial.

关键词： Marine anti-biofouling Bionic Coating Long-term and stable anti-fouling

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ZnFe_(2)O_(4)/BiVO_(4)Z-scheme heterojunction for efficient visible-light photocatalytic degradation of ciprofloxacin

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Frontiers of Chemical science and engineering 2023年第11期17卷 1728-1740页

作者： Beibei Wang Kejiang Qian Weiping Yang Wenjing An Lan-Lan Lou Shuangxi Liu Kai Yu MOE Key Laboratory of Pollution Processes and Environmental Criteria Tianjin Key Laboratory of Environmental Technology for Complex Transmedia PollutionCollege of Environmental Science and EngineeringNankai UniversityTianjin 300350China Institute of New Catalytic Materials Science School of Materials Science and EngineeringNational Institute of Advanced MaterialsNankai UniversityTianjin 300350Chin

A novel Z-scheme ZnFe_(2)O_(4)/BiVO_(4)heterojunction photocatalyst was successfully synthesized using a convenient solvothermal method and applied in the visible light photocatalytic degradation of ciprofloxacin,which is a typical antibiotic contaminant in *** heterostructure of as-synthesized catalysts was confirmed using X-ray diffraction,scanning electron microscopy,transmission electron microscopy and X-ray photoelectron spectroscopy *** with the singlephase counterparts,ZnFe_(2)O_(4)/BiVO_(4)demonstrated considerably enhanced photogenerated charge separation efficiencies because of the Z-scheme transfer mechanism of electrons between the composite ***,the 30%ZnFe_(2)O_(4)/BiVO_(4)catalyst afforded a degradation rate of up to 97%of 20 mg/L ciprofloxacin under 30 min of visible light irradiation with a total organic carbon removal rate of 50%,which is an excellent activity compared with ever reported BiVO_(4)-based *** addition,the liquid chromatography-mass spectrometry and quantitative structure-activity relationships model analyses demonstrated that the toxicity of the intermediates was lower than that of the parent ***,the as-synthesized ZnFe_(2)O_(4)/BiVO_(4)heterojunctions were quite stable and could be reused at least four *** study thus provides a promising Z-scheme heterojunction photocatalyst for the efficient removal and detoxication of antibiotic pollutants from wastewater.

关键词： ZnFe_(2)O_(4)/BiVO_(4) Z-scheme heterojunction photocatalytic degradation ciprofloxacin

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