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environmental behavior, human health effect, and pollution control of heavy metal(loid)s toward full life cycle processes

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Eco-environment & Health 2022年第4期1卷 229-243页

作者： Haoyu Deng Yuling Tu Han Wang Ziyi Wang Yanyu Li Liyuan Chai Wenchao Zhang Zhang Lin School of Metallurgy and environment Central South UniversityChangsha 410083China Chinese National Engineering research Center for Control&Treatment of Heavy Metal Pollution Changsha 410083China School of environment and Energy Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and RecyclingSouth China University of TechnologyGuangdong 510006China

Heavy metal(loid)s(HMs)have caused serious environmental pollution and health *** the past few years have witnessed the achievements of studies on environmental behavior of HMs,the related toxicity mechanisms,and pollution control,their relationship remains a *** generally focused on one topic independently without comprehensive considerations due to the knowledge gap between environmental science and human ***,the full life cycle control of HMs is crucial and should be reconsidered with the combination of the occurrence,transport,and fate of HMs in the ***,we started by reviewing the environmental behaviors of HMs which are affected by a variety of natural factors as well as their physicochemical ***,the related toxicity mechanisms were discussed according to exposure route,toxicity mechanism,and adverse *** addition,the current state-of-the-art of available technologies for pollution control of HMs wastewater and solid wastes were ***,based on the research trend,we proposed that advanced in-operando characterizations will help us better understand the fundamental reaction mechanisms,and big data analysis approaches will aid in establishing the prediction model for risk management.

关键词： Heavy metal(loid)s Full life cycle Toxicity environment Pollution control

Anaerobic digestion in mesophilic and room temperature conditions: Digestion performance and soil-borne pathogen survival

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Journal of environmental Sciences 2016年第5期28卷 224-233页

作者： Le Chen Shanshan Jian Jinhua Bi Yunlong Li Zhizhou Chang Jian He Xiaomei Ye Laboratory of environmental Microbiology College of Life Sciences Nanjing Agricultural University Laboratory for Agricultural wastes Treatment and Recycling Institute of Agricultural Resources and Environment Jiangsu Academy of Agricultural Science East China Scientific Observing and Experimental Station of Development and Utilization of Rural Renewable Energy Ministry of Agriculture

Tomato plant waste（TPW） was used as the feedstock of a batch anaerobic reactor to evaluate the effect of anaerobic digestion on Ralstonia solanacearum and Phytophthora capsici survival. Batch experiments were carried out for TS（total solid） concentrations of 2%, 4% and 6% respectively, at mesophilic（37 ± 1°C） and room（20–25°C） temperatures. Results showed that higher digestion performance was achieved under mesophilic digestion temperature and lower TS concentration conditions. The biogas production ranged from 71 to 416 L/kg VS（volatile solids）. The inactivation of anaerobic digestion tended to increase as digestion performance improved. The maximum log copies reduction of R. solanacearum and P. capsici detected by quantitative PCR（polymerase chain reaction） were 3.80 and 4.08 respectively in reactors with 4% TS concentration at mesophilic temperatures. However, both in mesophilic and room temperature conditions, the lowest reduction of R. solanacearum was found in the reactors with 6% TS concentration, which possessed the highest VFA（volatile fatty acid） concentration. These findings indicated that simple accumulation of VFAs failed to restrain R. solanacearum effectively, although the VFAs were considered poisonous. P. capsici was nearly completely dead under all conditions. Based on the digestion performance and the pathogen survival rate, a model was established to evaluate the digestate biosafety.

关键词： Anaerobic digestion Pathogen inactivation Digestion performance Fruit and vegetable wastes

Synergistic and antagonistic interactions between potassium and magnesium in higher plants

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The Crop Journal 2021年第2期9卷 249-256页

作者： Kailiu Xie Ismail Cakmak Shiyu Wang Fusuo Zhang Shiwei Guo Jiangsu Provincial Key Lab of solid Organic Waste Utilization Jiangsu Collaborative Innovation Center of Solid Organic WastesEducational Ministry Engineering Center of Resource-saving FertilizersNanjing Agricultural UniversityNanjing 210095JiangsuChina School of Land Resources and environment Jiangxi Agricultural UniversityNanchang 330045JiangxiChina Faculty of Engineering and Natural Sciences Sabanci University34956 IstanbulTurkey International Magnesium institute College of Resources and EnvironmentFujian Agriculture and Forestry UniversityFuzhou 350002FujianChina College of Resources and environmental Sciences China Agricultural UniversityBeijing 100193China

Magnesium(Mg)affects various critical physiological and biochemical processes in higher plants,and its deficiency impedes plant growth and *** potassium(K)-induced Mg deficiency in agricultural production is widespread,the specific relationship of K with Mg and especially its competitive nature is poorly *** review summarizes current knowledge on the interactions between K and Mg with respect to their root uptake,root-to-shoot translocation and distribution in *** synergistic effects on certain physiological functions are also *** antagonistic effect of K on Mg is stronger than that of Mg on K in root absorption and transport within plants,indicating that the balanced use of K and Mg fertilizers is necessary for sustaining high plant-available Mg and alleviating K-induced Mg deficiency,especially in plant species with high K demand or in highavailable-K *** relationship between Mg and K in plant tissues may be antagonistic or synergistic depending on plant species,cell type,leaf age,source-and sink *** are synergistic effects of K and Mg on photosynthesis,carbohydrate transport and allocation,nitrogen metabolism,and turgor *** of optimal K/Mg ratios for soils and plant tissues is desirable for maintaining proper nutritional status in plants,leading to a physiological state supporting crop *** research should concentrate on identifying the physiological and molecular mechanisms underlying the interactions between K and Mg in a given physiological function.

关键词： Antagonism Functional replacement Magnesium Potassium Synergy

Insights into the mechanism of multiple Cu-doped Co Fe_(2)O_(4)nanocatalyst activated peroxymonosulfate for efficient degradation of Rhodamine B

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Journal of environmental Sciences 2024年第3期137卷 382-394页

作者： Yuanmin Mo Xiaoping Zhang School of environment&Energy South China University of TechnologyGuangzhou Higher Education Mega CentreGuangzhou 510006China The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters of Ministry of Education Guangzhou 510006China Guangdong Provincial Key Laboratory of solid wastes Pollution Control and Recycling Guangzhou 510006China Guangdong Provincial Engineering and Technology research Center for environmental Risk Prevention and Emergency Disposal Guangzhou 510006China

The multiple metal catalyst as a promising nanomaterial has shown excellent activity in the peroxymonosulfate(PMS)activation for pollutant ***,the role of special sites and in-depth understanding of the PMS activation mechanism are not fully *** this study,a Cu-doped CoFe_(2)O_(4)nanocatalyst(0.5CCF)was synthesized by a sol-gel and calcination method,and used for PMS activation to remove Rhodamine B(RhB).The results showed that the Cu doping obviously enhanced the catalytic performance of CoFe_(2)O_(4),with 99.70%of RhB removed by 0.5CCF while 74.91%in the CoFe_(2)O_(4)within 15 *** on the X-ray photoelectron spectroscopy and electrochemical analysis,this could be ascribed to the more low valence of Co and Fe species generated on the 0.5CCF and faster electron transfers occurred in the 0.5CCF due to the Cu *** addition,Cu doping could provide more reaction sites for the 0.5CCF to activate PMS for RhB *** metal species and the surface hydroxyl were the reaction sites of PMS activation,and the surface hydroxyl played an important role in surface-bound reactive species *** the PMS activation,the Cu not only activated PMS to produce reactive oxygen species(ROS),but also regenerated Co^(2+)and Fe^(2+)to accelerate the PMS *** non-radical of ^(1)O_(2)was the main ROS with a 99.35%of contribution rate,and the SO_(5)^(·–)self-reaction was its major *** study provides a new insight to enhance the PMS activation performance of multiple metal catalysts by Cu doping in wastewater treatment.

关键词： Cu-doped CoFe_(2)O_(4)nanocatalyst PMS activation Mechanism Rhodamine B removal

Temperature-regulation liquid gating membrane with controllable gas/liquid separation

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Green Energy & environment 2023年第6期8卷 1501-1508页

作者： Baiyi Chen Huimeng Wang Jiadai Xu Liting Pan Yuan Jing Xu Hou State Key Laboratory of physical Chemistry of solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen361005China Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen361102China State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao UniversityQingdao266071China

Membrane separation technology with the ability to regulate gas/liquid transport and separation is critical for environmental fields, such as sewerage treatment, multiphase separation, and desalination. Although numerous membranes can dynamically control liquid-phase fluids transport via external stimuli, the transport and separation of gas-phase fluids remains a challenge. Here, we show a temperature-regulation liquid gating membrane that allows in-situ dynamically controllable gas/liquid transfer and multiphase separation by integrating a thermo-wettability responsive porous membrane with functional gating liquid. Experiments and theoretical analysis have demonstrated the temperature-regulation mechanism of this liquid gating system, which is based on thermo-responsive changes of porous membrane surface polarity, leading to changes in affinity between the porous membrane and the gating liquid. In addition, the sandwich configuration with dense Au-coated surfaces and heterogeneous internal components by a bistable interface design enables the liquid gating system to enhance response sensitivity and maintain working stability. This temperature-regulation gas/liquid transfer strategy expands the application range of liquid gating membranes,which are promising in environmental governance, water treatment and multiphase separation.

关键词： Temperature-regulation Liquid gating membrane Sandwich configuration Multiphase separation environmental governance

Improving hole transfer of boron nitride quantum dots modified PDI for efficient photodegradation

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Frontiers of Chemical Science and Engineering 2023年第11期17卷 1718-1727页

作者： Shiqing Ma Chundong Peng Zeyu Jia Yanmei Feng Kai Chen Hao Ding Daimei Chen Zhong-Yong Yuan Engineering research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Material Sciences and TechnologyChina University of GeosciencesBeijing 100083China School of Materials Science and Engineering Nankai UniversityTianjin 300350China Collaborative Innovation Center of Atmospheric environment and Equipment Technology Jiangsu Key Laboratory of Atmospheric Environment Monitoringand Pollution Control School of Environmental Science and EngineeringNanjing University of Information Science and TechnologyNanjing 210044China

In recent years,organic photocatalyst under visible-light absorption has shown significant potential for solving environmental ***,it is still a great challenge for constructing a highly active organic photocatalyst due to the low separation efficiency of photogenerated ***,an effective and robust photocatalyst perylene-3,4,9,10-tetracarboxylic diamide/boron nitride quantum dots(PDI/BNQDs),consisting of selfassemble PDI withπ–πstacking structure and BNQDs,has been constructed and researched under visible light *** PDI/BNQDs composite gradually increases organic pollutant photodegradation with the loading amount of *** 10 mL of BNQDs solution added(PDI/BNQDs-10),the organic pollutant photodegradation performance reaches a maximum,about 6.16 times higher with methylene blue and 1.68 times higher with ciprofloxacin than that of pure PDI *** enhancement is attributed to improved separation of photogenerated carriers from self-assembled PDI by BNQDs due to their preeminent ability to extract *** work is significant for the supplement of PDI supramolecular composite *** believe that this photocatalytic design is capable of expanding organic semiconductors’potential for their applications in photocatalysis.

关键词： PDI boron nitride quantum dots photocatalysis hole transfer

MSWI Fly Ash Based Novel solidification/Stabilization Matrices for Heavy Metals

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Journal of Wuhan University of Technology(Materials Science) 2008年第6期23卷 955-960页

作者：邓发庆钱光人 institute of environment and Chemical Engineering Shanghai University

The possibilities of MSWI fly ash as a major constituent of novel solidification/stabilization matrices for secure landfill were investigated by mixing MSWI fly ash with rich aluminum components, which was added as bauxite cement or metakaolinite instead, to form Friedel and Ettringite phases with high fixing capacities for heavy metals. The physical properties, heavy metals-fixing capacity, mineral phases and its vibration bands in the novel matrices were characterized by compressive strength, TCLP（toxic characteristic leaching procedure）, XRD （x-ray diffraction） , DTG （derivative thermogravimetry）, and FTIR （fourier transform infrared spectroscopy）, respectively. The Tessier＇s five-step sequential extraction procedure was used to analyze the fractions of chemical speciation for Pb, Cd and Zn ions. The experimental results indicate that Friedel-Ettringite based novel solidification/stabilization matrices can incorporate Pb, Cd and Zn ions effectively by physical encapsulation and chemical fixation, and it exhibits a great potential in co-landfill treatment of MSWI fly ash with some heavy metals-bearing hazardous wastes.

关键词： MSWI fly ash heavy metals chemical speciation fraction secure landfill solidification/stabilization

Functions of silicon in plant drought stress responses

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Horticulture research 2021年第1期8卷 3425-3437页

作者： Min Wang Ruirui Wang Luis Alejandro Jose Mur Jianyun Ruan Qirong Shen Shiwei Guo Jiangsu Provincial Key Lab of solid Organic Waste Utilization Jiangsu Collaborative Innovation Center of Solid Organic WastesThe Key Laboratory of Plant ImmunityNanjing Agricultural UniversityNanjing 210095 JiangsuChina institute of Biological Environmental and Rural SciencesAberystwyth UniversityAberystwyth SY233DAUK Key Laboratory of Tea Plant Biology and Resources Utilization(Ministry of Agriculture) Tea Research InstituteChinese Academy of Agricultural SciencesHangzhou 310008 ZhejiangChina

Silicon(Si),the second most abundant element in Earth’s crust,exerts beneficial effects on the growth and productivity of a variety of plant species under various environmental ***,the benefits of Si and its importance to plants are controversial due to differences among the species,genotypes,and the environmental *** Si has been widely reported to alleviate plant drought stress in both the Si-accumulating and nonaccumulating plants,the underlying mechanisms through which Si improves plant water status and maintains water balance remain *** aim of this review is to summarize the morphoanatomical,physiological,biochemical,and molecular processes that are involved in plant water status that are regulated by Si in response to drought stress,especially the integrated modulation of Si-triggered drought stress responses in Si accumulators and intermediate-and excluder-type *** key mechanisms influencing the ability of Si to mitigate the effects of drought stress include enhancing water uptake and transport,regulating stomatal behavior and transpirational water loss,accumulating solutes and osmoregulatory substances,and inducing plant defense-associated with signaling events,consequently maintaining whole-plant water *** study evaluates the ability of Si to maintain water balance under drought stress conditions and suggests future research that is needed to implement the use of Si in *** the complex relationships between Si and different plant species,genotypes,and the environment,detailed studies are needed to understand the interactions between Si and plant responses under stress conditions.

关键词： drought stress maintain

Enzyme Activity in Water-Stable Soil Aggregates as Affected by Long-Term Application of Organic Manure and Chemical Fertiliser

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Pedosphere 2013年第1期23卷 111-119页

作者： LIU Yi-Ren LI Xiang SHEN Qi-Rong XU Yang-Chun Jiangsu Provincial Key Laboratory for solid Organic Waste Utilization College of Resources and Environmental SciencesNanjing Agricultural University institute of Soil Fertilizer and Resource environment Jiangxi Academy of Agricultural Sciences

The activities of invertase, protease, urease, acid phosphomonoesterase, dehydrogenase, and catalase in different fractions of waterstable aggregates (WSA) were examined in long-term (26 years) fertilised soils. The long-term application of organic manure (OM) with chemical fertiliser (CF) significantly increased macroaggregate and decreased microaggregate percentages, enhanced the mean weight diameter, and significantly increased soil total carbon (TC) and total nitrogen (TN) contents of WSA in different size fractions. Combined fertilisation with OM and CF also increased invertase, protease, urease, acid phosphomonoesterase, dehydrogenase, and catalase activities of WSA in different size fractions. Enzyme activities were higher in macroaggregates than in microaggregates. The distribution of enzyme activities generally followed the distribution of TC and TN in WSA. The geometric mean of the enzyme activities in different WSA of OM-treated soils was significantly higher than that in soils treated with 100% CF or no fertiliser. The results indicated that the long-term combined application of OM with CF increased the aggregate stability and enzyme activity of different WSA sizes, and consequently, improved soil physical structure and increased soil microbial activity.

关键词： distribution mean weight diameter stability total carbon total nitrogen