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Algae-mediated antibiotic wastewater treatment:A critical review

Environmental Science and Ecotechnology 2022年第1期9卷 40-52页

作者： Shengnan Li Pau Loke Show Huu Hao Ngo Shih-Hsin Ho State Key Laboratory of Urban Water Resource and Environment School of EnvironmentHarbin Institute of TechnologyHarbinHeilongjiang Province150090China Department of chemical and Environmental Engineering Faculty of Science and EngineeringUniversity of Nottingham MalaysiaJalan BrogaSemenyih43500Selangor Darul EhsanMalaysia Centre for technology in Water and Wastewater School of Civil and Environmental EngineeringUniversity of Technology SydneySydneyNWS2007Australia

The existence of continually increasing concentrations of antibiotics in the environment is a serious potential hazard due to their toxicity and ***,conventional treatment techniques,such as those utilized in wastewater treatment plants,are not efficient for the treatment of wastewater containing ***,algae-based technologies have been found to be a sustainable and promising technique for antibiotic ***,this review aims to provide a critical summary of algae-based technologies and their important role in antibiotic wastewater *** removal mechanisms including bioadsorption,bioaccumulation,and biodegradation are discussed in detail,with using algae-bacteria consortia for antibiotic treatment,integration of algae with other microorganisms(fungi and multiple algal species),hybrid algae-based treatment and constructed wetlands,and the factors affecting algal antibiotic degradation comprehensively described and *** addition,the use of algae as a precursor for the production of biochar is highlighted,along with the modification of biochar with other materials to improve its antibiotic removal capacity and hybrid algae-based treatment with advanced oxidation ***,recent novel approaches for enhancing antibiotic removal,such as the use of genetic engineering to enhance the antibiotic degradation capacity of algae and the integration of algal antibiotic removal with bioelectrochemical systems are ***,some based on the critical review,key future research perspectives are ***,this review systematically presents the current progress in algae-mediated antibiotic removal technologies,providing some novel insights for improved alleviation of antibiotic pollution in aquatic environments。

关键词： ABC Algae-bacteria consortia Algae-based technology Antibiotic wastewater treatment ARGs Antibiotic resistance genes Removal mechanisms Hybrid system

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Atomic insight into the functionalization of cellulose nanofiber on durability of epoxy nanocomposites

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Nano Research 2023年第2期16卷 3256-3266页

作者： Tiejun Liu Kexuan Li Ao Zhou Zechuan Yu Renyuan Qin Dujian Zou school of Civil and Environmental Engineering Harbin Institute of TechnologyShenzhen 518055China Department of Architecture and Civil Engineering City University of Hong KongHong Kong 999077China school of Civil Engineering and Architecture Wuhan University of TechnologyWuhan 430070China school of Environment and Civil Engineering Dongguan University of TechnologyDongguan 523830China

chemical functionalization is an effective approach to address interfacial deterioration caused by environmental exposure in cellulose nanofiber(CNF)-epoxy ***,how functionalization affects interfacial deterioration and durability of nanocomposites in erosive environment is still *** this work,the global mechanical properties and local interfacial intermolecular behavior of pristine and functionalized CNF-reinforced nanocomposites are investigated through molecular dynamics *** results show that functionalization can enhance the interfacial energy barrier and debonding stress by 43%and 57%,*** CNF inhibits the slippage of epoxy chains,ensuring better interfacial adhesion and efficient stress transfer between fiber and *** groups promote the formation of interfacial bridging and topological structures and weaken the hydrogen bonding ability of water molecules,leading to stronger intermolecular adsorption effect and better interfacial *** epoxy molecular configuration evolution and intermolecular interactions,caused by the functionalization of CNF in the interfacial region,enhance the interfacial erosion resistance,contributing to the durability of the *** study reveals the in-depth interfacial deterioration mechanism of functionalized nanocomposites under erosive environment,inspiring a novel strategy for the design of durable CNF-reinforced nanocomposites.

关键词： nanocomposites functionalization interfacial interaction environmental degradation durability enhancement molecular dynamics

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Tandem Co–O dual sites on halloysite with promoted reaction kinetics for sulfur reduction

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Journal of Energy Chemistry 2022年第12期75卷 486-493,I0013页

作者： Qiang Zhang Yinyin Qian Ji-Jun Zou Ruijie Gao Huaming Yang Engineering Research Center of Nano-Geomaterials of Ministry of Education China University of GeosciencesWuhan 430074HubeiChina Hunan Key Laboratory of Mineral Materials and Application School of Minerals Processing and BioengineeringCentral South UniversityChangsha 410083HunanChina Faculty of Materials Science and Chemistry China University of GeosciencesWuhan 430074HubeiChina Key Laboratory for Green chemical technology of the Ministry of Education School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300072China Key Laboratory of Functional Geomaterials in China Nonmetallic Minerals Industry China University of GeosciencesWuhan 430074HubeiChina

Facilitating sulfur reduction reaction(SRR)is a promising pathway to tackle the polysulfide shuttle effect and enhance the electrochemical performance of lithium-sulfur(Li-S)*** with a solo active site can reduce a reaction barrier of a certain transition-intermediate,but the linear scaling relationship between multi-intermediates still obstructs overall ***,we construct tandem Co–O dual sites with accelerating SRR kinetics by loading highly dispersed cobalt sulfide clusters on *** catalyst features Co with upshifted d-orbital and O with downshifted p-orbital,which cooperatively adsorb long-chain polysulfide and dissociate an S–S bond,thus achieving both optimal adsorption–desorption strength and reduced conversion energy barrier of multi-intermediates in *** Li-S coin batteries using the electrocatalyst endows a high specific capacity of 1224.3 m Ah g^(-1)at 0.2 C after 200cycles,and enhances cycling stability with a low-capacity decay rate of 0.03%per cycle at 1 C after1000 ***,the strategy of the tandem Co–O dual sites is further verified in a practical Li-S pouch battery that realizes 1014.1 m Ah g^(-1)for 100 cycles,which opens up a novel avenue for designing electrocatalysts to accelerate multi-step reactions.

关键词： Sulfur reduction reaction Dual catalytic site Orbit Li-S battery

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Removal of SO2 using ammonium bicarbonate aqueous solution as absorbent in a bubble column reactor

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Frontiers of chemical Science and Engineering 2013年第2期7卷 185-191页

作者： Xiaolei LI Chunying ZHU Youguang MA school of chemical Engineering and technology State Key Laboratory of Chemical Engineering Tianjin University Tianjin 300072 China

In this work, the removal of SO2 from gas mixture with air and SO2 by ammonium bicarbonate aqueous solution as absorbent was investigated experi- mentally in a bubble column reactor. The effects of the concentration of ammonium bicarbonate, the SO2 inlet concentration of gas phase and the gas flow rate on the removal rate of SO2 were studied. The results showed that the higher the SO2 inlet concentration and the gas flow rate, the shorter the lasting time of SO2 completely removed in gas outlet, and then the faster the decrease in the removal rate of SO2. The lasting time of SO2 completely removed in gas outlet increased with increasing ammonium bicarbonate concentration. During the process of SO2 absorption, there was a critical pH of solution. When the solution pH was less than the critical pH, it would sharply fall, resulting in a rapid decrease of the SO2 removal rate. A theoretical model for predicting the SO2 removal rate has been developed by taking the chemical enhancement and the sulfite concentration in the liquid phase into account simultaneously.

关键词： SO2 removal bubble column reactor removalrate ammonium bicarbonate absorbent

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Electrocatalytic seawater splitting for hydrogen production:Recent progress and future prospects

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Journal of Materials Science & technology 2023年第31期162卷 203-226页

作者： Changrui Feng Meng Chen Ziyuan Yang Zhengkun Xie Xiumin Li Shasha Li Abuliti Abudula Guoqing Guan Graduate school of Science and technology Hirosaki University3-BunkyochoHirosaki 036-8561Japan Energy Conversion Engineering Laboratory Institute of Regional InnovationHirosaki University3-BunkyochoHirosaki 036-8561Japan College of Chemistry Zhengzhou UniversityZhengzhou 450001China school of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001China College of chemical and Biological Engineering Taiyuan University of Science and TechnologyTaiyuan 030024China

Earth-abundant seawater resource has become an attractive candidate to produce hydrogen from electrolysis,which is of great significance to realize hydrogen economy and carbon ***,developing highly active and stable electrocatalysts to meet the needs of highly effective seawater splitting is still challenging for the sluggish oxygen evolution dynamics and the existed competitive reaction of chlorine evolution reaction(CER).To this end,some newly-developed electrocatalysts with superior performance,such as noble metals,alloy,transition metals,oxides,carbides,nitrides,phosphides,and so on,have been synthesized for the seawater splitting in recent *** review starts from the historical background and fundamental mechanisms,and summarizes the most recent progress in the development of seawater electrolysis *** existing issues in the process of seawater electrolysis are enumerated and the corresponded solutions are *** future of hydrogen production from seawater electrolysis,especially the design and synthesis of novel catalysts for seawater electrolysis,is prospected.

关键词： Seawater electrolysis Electrocatalysts Hydrogen production Oxygen evolution reaction Chlorine evolution reaction Selectivity

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Two-dimensional plane strain consolidation of unsaturated soils considering the depth-dependent stress

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Journal of Rock Mechanics and Geotechnical Engineering 2023年第6期15卷 1603-1614页

作者： Lei Wang Sidong Shen Tianyi Li Minjie Wen Annan Zhou school of Urban Railway Transportation Shanghai University of Engineering ScienceShanghai201620China Key Laboratory of Soft Soils and Geoenvironmental Engineering of Ministry of Education Zhejiang UniversityHangzhou310058China school of Civil Environmental and Chemical EngineeringRoyal Melbourne Institute of Technology(RMIT)MelbourneVIC3001Australia

In practical engineering,the total vertical stress in the soil layer is not constant due to stress diffusion,and varies with time and ***,the purpose of this paper is to investigate the effect of stress diffusion on the two-dimensional(2D)plane strain consolidation properties of unsaturated soils when the stress varies with time and depth.A series of semi-analytical solutions in terms of excess pore air and water pressures and settlement for 2D plane strain consolidation of unsaturated soils can be derived with the joint use of Laplace transform and Fourier sine series ***,the inverse Laplace transform of the semi-analytical solution is given in the time domain using a self-programmed code based on Crump’s *** reliability of the obtained solutions is proved by the ***,the 2D plots of excess pore pressures and the curves of settlement varying with time,considering different physical parameters of unsaturated soil stratum and depth-dependent stress,are depicted and analyzed to study the 2D plane strain consolidation properties of unsaturated soils subjected to the depthdependent stress.

关键词： Semi-analytical solutions Two-dimensional(2D)plane strain consolidation Unsaturated soils Depth-dependent stress Laplace transform

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Flammable gases produced by TiO_(2) nanoparticles under magnetic stirring in water

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Friction 2022年第7期10卷 1127-1133页

作者： Pengcheng LI Chongyang TANG Xiangheng XIAO Yanmin JIA Wanping CHEN school of Physics and technology Wuhan UniversityWuhan 430072China school of Science Xi'an University of Posts and TelecommunicationsXi'an 710054China

The friction between nanomaterials and Teflon magnetic stirring rods has recently drawn much attention for its role in dye degradation by magnetic stirring in *** the friction between TiO_(2) nanoparticles and magnetic stirring rods in water has been deliberately enhanced and *** much as 1.00 g TiO_(2) nanoparticles were dispersed in 50 mL water in 100 mL quartz glass reactor,which got gas-closed with about 50 mL air and a Teflon magnetic stirring rod in *** suspension in the reactor was magnetically stirred in *** gases of 22.00 ppm CO,2.45 ppm CH_(4),and 0.75 ppm H_(2) were surprisingly observed after 50 h of magnetic *** reference,only 1.78 ppm CO,2.17 ppm CH_(4),and 0.33 ppm H_(2) were obtained after the same time of magnetic stirring without TiO_(2) *** magnetic stirring rods were simultaneously employed to further enhance the stirring,and as much as 30.04 ppm CO,2.61 ppm CH_(4),and 8.98 ppm H_(2) were produced after 50 h of magnetic stirring.A mechanism for the catalytic role of TiO_(2) nanoparticles in producing the flammable gases is established,in which mechanical energy is absorbed through friction by TiO_(2) nanoparticles and converted into chemical energy for the reduction of CO_(2) and H_(2)*** finding clearly demonstrates a great potential for nanostructured semiconductors to utilize mechanical energy through friction for the production of flammable gases.

关键词： friction magnetic stirring catalysis CO_(2)reduction TiO_(2)

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chemical bonding of perovskite LaFeO_(3) with Li_(1.2)Mn_(0.6)Ni_(0.2)O_(2) to moderate anion redox for achieving high cycling stability

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Journal of Energy Chemistry 2023年第4期79卷 330-339页

作者： Xin Zhang Chaochao Fu Dong Luo Xiaoqing Liu Qiao Wang Baoyun Li Guangshe Li Liping Li State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of ChemistryJilin UniversityChangchun 130012JilinChina Hebei technology Innovation Center for Lightweight of New Energy Vehicle Power System School of Quality and Technical SupervisionHebei UniversityBaoding 071002HebeiChina Guangzhou Key Laboratory of Clean Transportation Energy Chemistry School of Chemical Engineering and Light IndustryGuangdong University of TechnologyGuangzhou 510006GuangdongChina

Oxygen anion redox reaction provides a high theoretical capacity for Li-rich manganese-based ***,irreversible surface oxygen release often results in further oxygen loss and exacerbates the decomposition of the electrolyte,which could reduce the capacity contribution from the anionic redox and produce more acidic substances to corrode the surface of the *** this paper,the surface oxygen release is suppressed by moderating oxygen anion redox activity via constructing chemical bonds between M(M=Fe and La)in LaFeO_(3)and surface oxygen anions of Li_(1.2)Mn_(0.6)Ni_(0.2)O_(2).The constructed interface layer stabilizes the surface lattice oxygen and retards the electrolyte from being attacked by the nucleophilic oxygen generated in the process of oxygen release,as evidenced by Differential Electrochemical Mass Spectrometry(DEMS)and X-ray Photoelectron Spectroscopy(XPS)***,in the charge and discharge process,the formed FeF_(3),located at the cathode electrolyte interfacial layer,is conducive to the stability of the cathode *** modified Li_(1.2)Mn_(0.6)Ni_(0.2)O_(2)electrode with 3 wt%LaFeO_(13)exhibits a high specific capacity of 189.5 mA h g-at 1C(200 mA g^(-1))after 150 cycles with capacity retentions of 96.6%,and 112.6 mA h g^(-1)(84.7%)at 5C after 200 cycles higher than the pristine *** study provides a rational design chemical bonding method to suppress the oxygen release from the cathode surface and enhance cyclic stability.

关键词： Lithium battery Li_(1.2)Mn_(0.6)Ni_(0.2)O_(2) Oxygen release Interface chemical bond Electrolyte decomposition

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Water-soluble supramolecular polymers constructed by macrocycle-based host-guest interactions

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Chinese chemical Letters 2019年第1期30卷 37-43页

作者： Yanmei Chen Siyu Sun Dou Lu Yujun Shi Yong Yao school of Environmental and chemical Engineering Jiangsu University of Science and Technology College of Chemistry and chemical Engineering Nantong University

Supramolecular polymers, which combined of the supramolecular chemistry and polymer science, are constructed from monomers together by reversible noncovalent interactions. Supramolecular polymers in aqueous solution are especially important due to their superior biocompatibility and environmental adaptation, which determined they have wide applications in various areas, such as drug delivery, selfhealing, shape memory. Macrocyclic compounds, such as cyclodextrins, calixarenes, cucurbiturils and pillar[n]arenes, are the most used building blocks in the preparation of supramolecular ***-based supramolecular polymers, which introduce the host-guest interaction in the system,endow these polymers with interesting and smart physical-chemical properties. In this review, we summarized recent studies about supramolecular polymers in aqueous solution based on macrocyclic compounds.

关键词： Supramolecular polymers Macrocyclic compounds Host-guest interaction Stimuli-responsive Drug delivery

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Mechanical properties of additively-manufactured cellular ceramic structures:A comprehensive study

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Journal of Advanced Ceramics 2022年第12期11卷 1918-1931页

作者： Xueqin ZHANG Keqiang ZHANG Bin ZHANG Ying LI Rujie HE Institute of Advanced Structure technology Beijing Institute of TechnologyBeijing 100081China school of Naval Architecture Ocean and Energy Power EngineeringWuhan University of TechnologyWuhan 430070China

Cellular ceramic structures(CCSs)are promising candidates for structural components in aerospace and modern industry because of their extraordinary physical and chemical ***,the CCSs with different structural parameters,i.e.,relative density,layer,size of unit cells,and structural configuration,were designed and prepared by digital light processing(DLP)-based additive manufacturing(AM)technology to investigate their responses under compressive loading *** was demonstrated that as the relative density increased and the size of the unit cells decreased,the mechanical properties of one-layer CCSs *** mechanical properties of three-layer CCSs were more outstanding than those of the CCSs with one and two *** addition,structural configurations also played a vital role in the mechanical properties of the ***,the mechanical properties of the CCSs from superior to inferior were that with the structural configurations of modified body-centered cubic(MBCC),Octet,SchwarzP,IWP,and body-centered cubic(BCC).Furthermore,structural parameters also had significant impacts on the failure mode of the CCSs under compressive *** the relative density increased,the failure mode of the one-layer CCSs changed from parallel-vertical-inclined mode to parallel-vertical *** was worth noting that the size of the unit cells did not alter the failure *** fracture took a greater proportion in the failure mode of the multi-layer *** it could be suppressed by the increased relative ***,the proportions of the parallel-vertical mode and the fracture along a specific plane always changed with the variation of the structural *** study will serve as the base for investigating the mechanical properties of the CCSs.

关键词： cellular ceramic structures(CCSs) mechanical properties failure mode structural parameters

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