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Fluid Dynamics & Materials Processing 2024年第2期20卷 383-400页

作者： Yongchun liu Ni Qiao Yanli Yang Yanchun li Chunxiao He Siyang {3. chengcheng liu Ruixia Lei {3. li Wenwen Gao college of Chemistry and Chemical engineering FLUOBON Pilot Base of Chemical EngineeringLongdong UniversityQingyang745000China Qingyang Solid and Hazardous Waste Pollution Prevention and Control Management Center Qingyang745000China Gansu Qingluyuan environmental Monitoring Co. Ltd.Qingyang745000China School of Chemistry and Chemical engineering Shanxi Key Laboratory of Low Metamorphic Coal Clean UtilizationYulin UniversityYulin719000China

A silylated melamine sponge(SMS)was prepared by two simple steps,namely,immersion and dehydration of a melamine sponge coated with *** silylated structure of SMS was characterized by FT-IR(Fourier-transform infrared)spectroscopy,SEM(Scanning electron microscopy)and in terms of water contact *** oil-water absorption and separation capacities were measured by FT-IR and UV-visible *** experimental results have shown that o{3.gomeric silanol covalently bonds by Si-N onto the surface of melamine sponge *** has shown superhydrophobicity with a water contact angle exceeding 150°±1°,a better separation efﬁciency with regard to diesel oil(by 99.3.%(wt/wt%)in oil-water mixture and even up to 99.99%(wt/wt%)for diesel oil in its saturated aqueous ***,SMS inherited the intrinsicﬂame retardancy of the melamine *** general,SMS has shown superhydrophobicity,high porosity,excellent selectivity,remarkable recyclabi{3.ty,and better absorption capacity for various oils and organic solvents,and a high separation efﬁciency for oil in saturated aqueous solutions.

关键词： Methyltrichlorosilane silylated melamine sponge(SMS) superhydrophobicity absorption capacity oil-water separable efﬁciency ﬂame retardancy

Coal-based activated carbon prepared by H2O activation process for supercapacitors using response surface optimization method

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Frontiers of Chemical Science and engineering 2024年第6期18卷 31-40页

作者： Shanxin Xiong Fengyan Lv Chenxu wang Nana Yang Yukun Zhang Qingyong Duan Shuaishuai Bai Xiaoqin wang Zhen li Jianwei Xu college of Chemistry and Chemical engineering Xi’an University of Science and TechnologyXi’an 710054China Key Laboratory of Coal resources Exploration and Comprehensive Utilization Ministry of Land and ResourcesXi’an 710021China Institute of Sustainability for Chemicals Energy and EnvironmentJurong Island 627833Singapore

The scalable production of high grade activated carbon from abundant coal for supercapacitors application is an efficient way to achieve high value-added utilization of coal ***,this technology is challenging due to lack of comprehensive understanding on the mechanism of activation process and effect of external *** this paper,the effect of activating temperature and time on the specific capacitance of coal-based activated carbon prepared by H2O steam activation was studied using the response surface *** optimal conditions,coal-based activated carbon exhibits the largest specific capacitance of 194.3. F·g^(−1),thanks to the appropriate pore/surface structure and defect *** functional theory calculations explain in detail the mechanism of contraction of aromatic rings and overflow of H2 and CO during the ***,oxygen-containing functional groups are introduced,contributing to the pseudocapacitance property of coal-based activated *** mechanism of reactions between aromatic carbon and H2O vapor provides understanding on the role of water during coal processing at the molecular level,offering great potential to regulate product distribution and predict rate of pore *** insight would contribute to the advancement of other coal processing technology such as gasification.

关键词： response surface optimization coal-based activated carbon supercapacitor activating mechanism

Can perfluorooctanoic acid be effectively degraded usingβ-PbO_(2)reactive electrochemical membrane?

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Chinese Chemical Letters 2024年第7期35卷 196-199页

作者： Xubin Qian Lei Xu Xu Ge Zhun liu cheng Fang Jianbing wang Junfeng Niu college of environmental Science and engineering North China Electric Power UniversityBeijing 102206China college of water resources and Hydropower {3. North China Electric Power UniversityBeijing 102206China Research Center for Eco-environmental engineering Dongguan University of TechnologyDongguan 523808China Global Centre for environmental Remediation(GCER) University of NewcastleCallaghanNSW 2308Australia School of Chemical and environmental engineering China University of Mining and Technology(Beijing)Beijing 100083China

Aqueous perfluorooctanoic acid(PFOA)elimination has raised significant concerns due to its persistence and ***β-PbO_(2)plate anodes have shown efficient mineralization of PFOA,it remains unclear whether PFOA can be effectively degraded usingβ-PbO_(2)reactive electrochemical membrane(REM).Herein,we assessed the performance of Ti/SnO_(2)-Sb/La-PbO_(2)REM for PFOA removal and proposed a possible degradation *** a current density of 10 mA/cm2and a membrane flux of 8500(liters per square meter per hour,LMH),the degradation efficiency of 10 mg/L PFOA was merely8.8%,whereas the degradation efficiency of 0.1 mg/L PFOA increased to 96.6%.Although the porous structure of theβ-PbO_(2)REM provided numerous electroactive sites for PFOA,the generated oxygen bubbles in the pores could block the pore channels and adsorb PFOA *** hindered the protonation process and significantly impeded the degradation of high-concentration *** experiments indicated that·OH played dominant role in PFOA *** electrical energy per order to remove 0.1 mg/L PFOA was merely 0.74 Wh/L,which was almost an order of magnitude lower than that of other anode *** study presents fresh opportunities for the electrochemical degradation of low-concentration PFOA usingβ-PbO_(2)REM.

关键词： Perfluorooctanoic acid β-PbO_(2) Reactive electrochemical membrane Electrochemical oxidation

The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter paper with multi-layered Prussian blue decoration

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Frontiers of Chemical Science and engineering 2024年第2期18卷 1-12页

作者： Jiangyan Lu Zhu Xiong Yuhang cheng Qingwu Long Kaige Dong Hongguo Zhang Dinggui Luo li Yu Wei Zhang Gaosheng Zhang Key Laboratory for water Quality and Conservation of the Pearl River delta(Ministry of Education) School of Environmental Science and EngineeringGuangzhou UniversityGuangzhou 510006China college of light Chemical Industry and Materials engineering Shunde PolytechnicFoshan 528333China

Thallium is a highly toxic metal,and trace amount of thallium(I)(Tl+)in potable water could cause a severe water crisis,which arouses the exploitation of highly-effective technology for purification of Tl+contaminated *** report proposes the multi-layered Prussian blue(PB)-decorated composite membranes(PBx@PDA/PEI-FP)based on the aminated filter papers for Tl+*** characterization by Fourier transform infrared spectrometer-attenuated total reflectance,scanning electron microscope,thermogravimetric analysis,X-ray photoelectron spectroscopy and X-ray diffraction were performed to confirm the in situ growth of cubic PB crystals on filter paper membrane surfaces via the aminated layers,and the successful fabrication of multi-layered PB overcoats via the increasing of aminated *** effect of PB layers on Tl+removal by PBx@PDA/PEI-FP from simulated drinking water was evaluated as well as the influence of different experimental conditions.A trade-off between PB decoration layer number and PB distribution sizes is existed in Tl+uptake by PBx@PDA/*** double-layered PB2@PDA/PEI-FP membrane showed the maximum sorption capacity,but its Tl+uptake performance was weakened by the acid,coexisting ions(K+and Na+)and powerful operation pressure,during filtrating a large volume of low-concentrated Tl+-containing ***,the negative effect of coexisting ions on the Tl+uptake could be effectively eliminated in weak alkaline water,and the Tl+removal was increased up to 100%without any pressure driving for PB2@PDA/PEI-FP *** importantly,PB2@PDA/PEI-FP displayed the high-efficiency and high-selectivity in purifying the Tl+-spiked Pearl River water,in which the residual Tl+in filtrate was less than 2μg·L^(–1) to meet the drinking water standard of United States {13. Protection *** work provides a feasible avenue to safeguard the drinking water in remote and underdeveloped area via the energy-free operation.

关键词： membrane adsorption Prussian blue energy-free filtration potable water trace thallium(I)

Coupling and coordinated evolution characteristics of regional economy-energy-carbon emission multiple systems:A case study of main china's Basin

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Journal of environmental Sciences 2024年第6期140卷 204-218页

作者： Lu Chen Xin li Jingyi Zhao Xinyu Kang Lu liu Minxi wang Wu Chen college of Management Science Chengdu University of TechnologyChengdu 610051China SDU life Cycle engineering Department of Green TechnologyUniversity of Southern Denmark5230 OdenseDenmark

Comprehensive analysis of the Economy-Energy-Carbon Emission(EECE)system is beneficial for promoting sustainable social *** study analyzes the system development of major watersheds in china from 2010 to *** research fully considers the system’s internal and external inputs and outputs and proposes an evaluation index system for regional EECE coupling and coordinated ***,using the difference in system weight allocation to improve the coupling and coordination model,the study explores the dynamic system’s coupling and *** results show that(1)The development of the system structure is relatively stable,but the overall development status is not ideal;(2)The downstream of china’s main river basins has obvious economic advantages,while the energy system fluctuates *** efficiency of the carbon emission system will decrease in areas with rapid economic *** coupling and coordination level of the EECE system is better in the Yangtze River Basin than in the Yellow River Basin;(3.From the perspective of dynamic coordinated development,the main river basins have been divided into two states since 2012,but it is relatively stable *** dynamic coordination is often at a disadvantage in regions with rapid economic and energy development;(4)The coupling coordination degree of the two river basins has significant positive spatial *** provinces’significant spatial clustering characteristics of the coupling coordination degree are High-High ***-Low type provinces are mainly concentrated *** research process has certain reference significance for the collaborative governance of complex regional systems.

关键词： System structure Efficiency measure Coupling mechanism Dynamic coordination

Combining field data and modeling to better understand maize growth response to phosphorus(P) fertilizer application and soil P dynamics in calcareous soils

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Journal of Integrative Agriculture 2024年第3期23卷 1006-1021页

作者： Weina Zhang Zhigan Zhao Di He Junhe liu Haigang li Enli {3. School of Biological and Food Processing engineering Huanghuai UniversityZhumadian 463000China Key Laboratory of Plant-Soil Interactions Ministry of Education/College of Resources and Environmental SciencesChina Agricultural UniversityBeijing 100193China Inner Mongolia Key Laboratory of Soil Quality and Nutrient resources/Key Laboratory of Grassland Resource(IMAU) Ministry of Education/College of GrasslandResources and EnvironmentInner Mongolia Agricultural UniversityHohhot 010018China CSIRO Agriculture and Food CanberraACT 2601Australia

We used field experimental data to evaluate the ability of the agricultural production system model (APSIM) to simulate soil P availability,maize biomass and grain yield in response to P fertilizer applications on a fluvo-aquic soil in the North china *** and soil data from a 2-year experiment with three P fertilizer application rates(0,75 and 3.0 kg P_(2)O_(5) ha^(–1)) were used to calibrate the *** analysis was carried out to investigate the influence of APSIM SoilP parameters on the simulated P availability in soil and maize *** and soil P parameters were then derived by matching or relating the simulation results to observed crop biomass,yield,P uptake and Olsen-P in *** re-parameterized model was further validated against 2 years of independent data at the same *** re-parameterized model enabled good simulation of the maize leaf area index (LAI),biomass,grain yield,P uptake,and grain P content in response to different levels of P additions against both the calibration and validation *** results showed that APSIM needs to be re-parameterized for simulation of maize LAI dynamics through modification of leaf size curve and a reduction in the rate of leaf senescence for modern staygreen maize cultivars in *** P concentration limits (maximum and minimum P concentrations in organs)at different stages also need to be *** results further showed a curvilinear relationship between the measured Olsen-P concentration and simulated labile P content,which could facilitate the initialization of APSIM P pools in the NCP with Olsen-P measurements in future *** remains difficult to parameterize the APSIM SoilP module due to the conceptual nature of the pools and simplified conceptualization of key P transformation processes.A fundamental understanding still needs to be developed for modelling and predicting the fate of applied P fertilizers in soils with contrasting physical and chemical characteristics.

关键词： maize phosphorus availability modeling APSIM maize APSIM SoilP

Intake of tobacco nitrosamines of smokers in various provinces of china and their cancer risk:A meta-analysis

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Journal of environmental Sciences 2024年第7期141卷 249-260页

作者： Xiao li Zhiwei Ye Jun wang Pengfei lin Xiaojin Zhang Shu{3.g Xie Chao Chen Research Institute for environmental Innovation(Suzhou) TsinghuaSuzhouJiangsu 215163China State Key Joint Laboratory of environmental Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China Shenzhen Key Laboratory of Organic Pollution Prevention and Control State Key Laboratory of Urban Water Resource and EnvironmentHarbin Institute of TechnologyShenzhen 518055China State Key Joint Laboratory of environmental Simulation and Pollution Control College of Environmental Science and EngineeringPeking UniversityBeijing 100871China

Nitrosamines are a class of carcinogens which have been detected widely in food,water,some pharmaceuticals as well as *** objectives of this paper include reviewing the basic information on tobacco consumption and nitrosamine contents,and assessing the health risks of tobacco nitrosamines exposure to Chinese *** searched the publications in English from“Web of Science”and those in Chinese from the“china National Knowledge Infrastructure”in 2022 and collected 151 literatures with valid *** content of main nitrosamines in tobacco,including 4-(methylnitrosoamino)-1-(3.pyridyl)-1-butanone(NNK),N-nitrosonornicotine(NNN),N-nitrosoanatabine(NAT),N-nitrosoanabasine(NAB),total tobacco-specific nitrosamines(TSNA),and N-nitrosodimethylamine(NDMA)were *** information of daily tobacco consumption of smokers in 3. provinces of china was also ***,the intakes of NNN,NNK,NAT,NAB,TSNAs,and NDMA via tobacco smoke were estimated as 153.ng/day,591 ng/day,685 ng/day,81 ng/day,2543.ng/day,and 484 ng/day by adult smokers in3. provinces,*** cancer risk(CR)values for NNN and NNK inhalation intake were further calculated as 1.44×10^(-5)and 1.95×10^(-4).The CR value for NDMA intake via tobacco smoke(inhalation:1.66×10^(-4))indicates that NDMA is similarly dangerous in tobacco smoke when compared with the *** china,the CR values caused by average nitrosamines intake via various exposures and their order can be estimated as the following:smoke(3.75×10^(-4))>food(1.74×10^(-4))>drinking water(1.3.×10^(-5)).Smokers in china averagely suffer 200%of extra cancer risk caused by nitrosamines in tobacco when compared with non-smokers.

关键词： N-nitrosamine Tobacco Cancer risk Tobacco specific nitrosamines(TSNAs) N-nitrosodimethylamine(NDMA)

Responses of runoff to changes in climate and human activities in the liuhe River Basin, china

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Journal of Arid Land 2024年第8期16卷 1023-1043页

作者： li Mingqian wang He DU Wei GU Hongbiao ZHOU Fanchao CHI Baoming School of Ecology and Environment Institute of Disaster PreventionLangfang 065201China Hebei Key Laboratory of Resource and environmental Disaster Mechanism and Risk Monitoring Sanhe 065201China Suzhou Qianxing environmental engineering Co. Ltd.Suzhou 215000China college of Transportation engineering Nanjing Tech UniversityNanjing 210000China Tianjin North china Geological Exploration General Institute Tianjin 300000China

Since the 1950s,numerous soil and water conservation measures have been implemented to control severe soil erosion in the liuhe River Basin(LRB),*** these measures have protected the upstream soil and water ecological environment,they have led to a sharp reduction in the downstream flow and the {3.terioration of the river ecological ***,it is important to evaluate the impact of soil and water conservation measures on hydrological processes to assess long-term runoff *** the Soil and water Assessment Tool(SWAT)mo{3.ls and sensitivity analyses based on the Budyko hypothesis,this study quantitatively evaluated the effects of climate change,direct water withdrawal,and soil and water conservation measures on runoff in the LRB during different periods,including different responses to runoff discharge,hydrological regime,and flood *** runoff series were divi{3.d into a baseline period(1956-1969)and two altered periods,i.e.,period 1(1970-1999)and period 2(2000-2020).Human activities were the main cause of the {3.crease in runoff during the altered periods,contributing 86.03.(-29.61 mm),while the contribution of climate change was only 13.70%(-4.70 mm).The impact of climate change manifests as a {3.crease in flood volume caused by a reduction in precipitation during the flood *** of two flood cases indicated a 66.00%-84.00%reduction in basin runoff capacity due to soil and water conservation measures in the upstream *** and water conservation measures reduced the peak flow and total flood volume in the upstream runoff area by 77.98%and 55.16%,respectively,even with nearly double the *** runoff coefficient in the reservoir area without soil and water conservation measures was 4.0 times that in the conservation *** results contribute to the re-evaluation of soil and water conservation hydrological effects and provi{3. important guidance for water resource planning and water conservation policy formu

关键词： runoff soil and water conservation climate variability flood human activities liuhe River Basin

Exceptional Performance of 3. Additive Manufactured NiFe Phosphite Oxyhydroxide Hollow Tubular Lattice Plastic Electrode for Large-Current-density {3. Oxidization

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Energy & environmental Materials 2024年第6期7卷 262-273页

作者： liping Ding lin Zhang Gaoyuan li Shuyan Chen Han Yan Haibiao Tu Jianmin Su Qi li Yanfeng Tang Yanqing wang School of Chemistry and Chemical engineering Nantong UniversityNantong 226007China

In this article,we report a 3. NiFe phosphite oxyhydroxide plastic electrode using high-resolution digital light processing(DLP)3.-printing technology via induced chemical deposition *** as-prepared 3. plastic electrode exhibits no template requirement,freedom design,low-cost,robust,anticorrosion,lightweight,and micro-nano porous *** can be drawn to the conclusion that highly oriented open-porous 3. geometry structure will be beneficial for improving surface catalytic active area,wetting performance,and reaction–diffusion dynamics of plastic electrodes for oxygen evolution reaction(OER)catalysis *** functional theory(DFT)calculation interprets the origin of high activity of NiFe(PO_(3.)O(OH)and demonstrates that the implantation of the–PO_(3.can effectively bind the 3. orbital of Ni in NiFe(PO_(3.)O(OH),lead to the weak adsorption of intermediate,make electron more active to improve the conductivity,thereby lowing the transform free energy of*O to**** water oxidization performance of as-prepared 3. NiFe(PO_(3.)O(OH)hollow tubular(HT)lattice plastic electrode has almost reached the state-of-the-art level compared with the as-reported large-current-density catalysts or 3. additive manufactured plastic/metal-based electrodes,especially for high current OER *** work breaks through the bottleneck that plagues the performance improvement of low-cost high-current electrodes.

关键词： 3. plastic electrode 3. printing induced chemical deposition largecurrent-density water oxidization NiFe phosphite oxyhydroxide

Compound extreme inundation risk of coastal wetlands caused by climate change and anthropogenic activities in the Yellow River delta,china

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Advances in Climate Change Research 2024年第1期15卷 134-147页

作者： Xiao-li wang Ai-Qing FENG Xi-Yong HOU Qing-Chen CHAO Bai-Yuan SONG Yu-Bin liU Qi-{3.g wang He XU Yu-Xin ZHANG Dong li li-Jie DONG Yu GUO CAS Key Laboratory of Coastal environmental Processes and Ecological Remediation Yantai Institute of Coastal Zone ResearchChinese Academy of SciencesYantai 264003China Shandong Key Laboratory of Coastal environmental Processes Yantai 264003China china Meteorological Administration Key Laboratory for Climate Prediction Studies National Climate CentreBeijing 100081China Tongji Urban Planning design Research Institute Shanghai 200092China School of Geography and Tourism Qilu Normal UniversityJinan 250200China china Meteorological Administration Training Centre China Meteorological AdministrationBeijing 10008China University of Chinese Academy of Sciences Beijing 100049China Marine Science and Technology college Zhejiang Ocean UniversityZhoushan 316022China

The coastal wetlands of the Yellow River delta(YRD)in china are crucial for their valuable resources,{3. significance,and economic ***,these wetlands are also vulnerable to the dual threats of climate change and human *** substantial attention to the historical shifts in YRD's coastal wetlands,uncertainties remain regarding their future trajectory in the face of compound risks from climate change and anthropogenic *** on a range of remote sensing data sources,this study undertakes a comprehensive investigation into the evolution of YRD's coastal wetlands between 2000 and ***,the potential fate of coastal wetlands is thoroughly analyzed through the Land Use/Cover Change(LUCC)simulation using System Dynamic-Future Land Use Simulation(SD-FLUS)model and the extreme water levels projection integrated future sea-level rise,storm surge,and astronomical high tide in 203.,2050,and 2100 under scenarios of SSP1-2.6,SSP2-4.5,and *** revealed that YRD's coastal wetlands underwent a marked reduction,shrinking by 1688.72 km²from 2000 to *** decline was mostly attributed to the substantial expansion in the areas of artificial wetlands(increasing by 823.78 km2),construction land(increasing by 767.71 km²),and shallow water(increasing by 274.58 km²).Looking ahead to 203.-2100,the fate of coastal wetlands appears to diverge based on different *** the SSP1-2.6 scenario,the area of coastal wetland is projected to experience considerable *** contrast,the SSP5-8.5 scenario anticipates a notable decrease in coastal *** to the inundated area suffered from the current extreme water levels,the study projects a decrease of 6.8%-10.6%in submerged coastal wetlands by 203. and 9.4%-18.2%by 2050 across all *** 2100,these percentages are projected to decrease by 0.4%(SSP2-4.5)and 27.1%(SSP5-8.5),but increase by 3..7%(SSP1-2.6).Results suggest that coastal wetlands in th

关键词： Climate change Anthropogenic activities Compound extreme risk Coastal wetlands Yellow River delta