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Source apportionment of river water pollution in a typical agricultural city of Anhui Province, eastern China using multivariate statistical techniques with APCS– MLR

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water Science and Engineering 2023年第2期16卷 165-174页

作者： Kai Chen Qi-meng Liu Wei-hua Peng Yu Liu Zi-tao Wang State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mine Huainan 232001China School of Earth and Environment Anhui University of Science&TechnologyHuainan 232001China Key Laboratory of Mine water Resource Utilization of Anhui Higher Education Institutes Suzhou UniversitySuzhou 234000China Qinghai Institute of Salt Lakes Chinese Academy of SciencesXining 810008China

The deterioration of the surface water environment has become a serious challenge for water resources management due to increasing anthropogenic disturbance. water resources protection requires control of potential pollution sources. In this study, 99 water samples were collected from a river in a typical agricultural city of Anhui Province in eastern China, and these samples were analyzed in terms of pH, electrical conductivity, and the concentrations of F-, Cl-, SO42-, Na+, K+, Mg2+, Ca2+, As, Cr, Cu, Zn, and Pb. Cluster analysis, co-occurrence network analysis, and principal component analysis/factor analysis were conducted to qualitatively identify the potential sources of river water pollution in the study area. An absolute principal component score-multiple linear regression receptor model was used to quantitatively evaluate the contribution of each source to water quality parameters. The results showed that all observed water quality indices met the quality criteria specified in the Chinese drinking water standards, except for pH, ρ(F-), ρ(SO42-), and ρ(As). The heat map showed that the frequent recharge of pollutants from the tributaries during the wet season was the main reason for the deterioration of water quality. Five sources of river water pollution were identified, and their contribution ratios in a descending order were as follows: the geogenic process (24%) > agricultural activities (21%) > poultry farming sources (17%) > domestic pollution (9%) > transportation pollution (5%). Therefore, controlling pollution from agricultural activities, strengthening the regulation of livestock farming, and improving the sewage network are the recommended strategies for improving the quality of surface water resources in this area.

关键词： surface water water quality Source apportionment APCS-MLR model Huaihe river basin

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water quality,natural chemical weathering and ecological risk assessment of the contaminated area of vanadium ore in Yinhua River,China:Evidence from major ions and trace elements

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Acta Geochimica 2022年第1期41卷 84-99页

作者： Delu Li Yong Xu Xiaotuan Zhang Zhidong Yang Shaofei Wang Qianyang He Zhe Jia Shaanxi Provincial Key Laboratory of Geological Support for Coal Green Exploitation Xi’an University of Science and TechnologyXi’an 710054China Geological Research Institute for Coal Green Mining Xi’an University of Science and TechnologyXi’an 710054China College of Geology and Environment Xi’an University of Science and TechnologyXi’an 710054China Shaanxi Institute of Geological Survey Xi’an 710054China College of Geomatics Xi’an University of Science and TechnologyXi’an 710054China

There are abundant vanadium ores in the Cambrian strata in southern Shaanxi,*** years of mining activities and surface leaching have polluted the surface water to a certain extent,but the researches on the water quality characteristics and pollution degree are relatively *** contribution was organized to investigate the surface water quality by general parameters,including TDS,Eh,pH,DO,TOC,COD,and EC,in the vanadium ore belt(Yinhua River basin).Major ions were determined to detect the water type and natural chemical weathering,while trace elements were used to illustrate their geochemical characteristics and ecological risk assessment of heavy *** study found that the surface water was weakly alkaline and mainly dominated from normal to pool *** particle size with1000–10,000 nm of suspended particles was the main carrier of organic *** concentration of HCO_(3)^(-)and SO_(4)^(2-)in the anions and Ca^(2+)and Mg^(2+)ions in the cations were relatively high,and the water type was Ca-Mg-HCO_(3)-SO_(4) *** weathering had a great influence on surface water,and the weathering products were mainly silicate and *** with the Type river,the contents of V elements showed an obvious positive anomaly,which may be affected by mining activities of vanadium ore and the annual leaching of the tailings *** and Cd in the surface water was polluted *** integrated pollution index suggested that the surface water pollution was serious,and the main stream was more serious with the increasing tailings ponds.

关键词： Vanadium ore belt surface water water contamination Major ions Trace elements

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Linear Alkylbenzene Sulfonates in the Groundwater and surface waters： Ergene Basin Case Study

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Journal of Agricultural Science and Technology(A) 2017年第6期7卷 369-376页

作者： Fusun Ekmekyapar Zebra Barut Department of Environmental Engineering (orlu Engineering Faculty Namlk Kemal University Tekirdag 59860 Turkey Graduate School of Natural and Applied Sciences Namik Kemal University Tekirdag 59860 Turkey

Ergene Basin is one of the most important industrial centers due to the geographical location in Turkey. Uncontrolled and rapidly increasing industrialization brings together a large number of environmental problems in the basin. In this study, pollution was investigated in the water samples taken at time intervals and different parts of groundwater and surface water resources located within Ergene Basin by methylene blue anionic surfactants （MBAS） analysis method. Turbidity, temperature, pH, electrical conductivity （EC）, concentrations of total P and linear alkylbenzene sulfonates （LAS） were simultaneously determined in the investigated water resources. The results were compared with the Turkish water Pollution Control Regulation specified in the Quality Criteria of the Inland water Resources according to their class. The total P and LAS concentrations of surface waters are generally higher than groundwater. In terms of LAS concentrations, the groundwater is Ⅰ-Ⅱ class and the surface water is Ⅱ-Ⅳ class.

关键词： surface water groundwater surfactant pollution linear alkylbenzene sulfonates methylene blue anionic surfactants

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Real-time quantification for sulfite using a turn-on NIR fluorescent probe equipped with a portable fluorescence detector

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Chinese Chemical Letters 2022年第9期33卷 4219-4222页

作者： Fei Yan Jingnan Cui Chao Wang Xiangge Tian Dawei Li Yan Wang Baojing Zhang Lei Feng Shanshan Huang Xiaochi Ma College of Pharmacy Dalian Key Laboratory of Metabolic Target Characterization and Traditional Chinese Medicine InterventionAcademy of Integrative MedicineDalian Medical UniversityDalian 116044China Second Affiliated Hospital Dalian Medical UniversityDalian 116044China State Key Laboratory of Fine Chemicals Dalian University of TechnologyDalian 116024China School of Chemistry and Chemical Engineering Henan Normal UniversityXinxiang 453007China

Sulfur dioxide and its derivative sulfite widely existed in air,water as the environment *** is also commonly used as preservative and additive in fresh fruits,vegetables,wines and pharmaceutical *** to sulfite is closely related with human diseases,it is very urgent for the sensitive and rapid quantification of sulfite in various *** our study,a turn-on near infrared(NIR)fluorescent probe(MDQ)was developed for sulfite detection based on a Michael addition reaction,with high sensitivity(LOD 4.16 nmol/L),selectivity and fast response time(400 s).Using MDQ,a quantify method for sulfite in traditional Chinese medicines(TCMs)was developed with the advantages of high precision,accuracy and convenient ***,according to the photophysical property of MDQ,a portable fluorescence detector is designed to quantify sulfite for TCMs and surface water in Dalian city of ***,the developed fluorescent probe MDQ and portable fluorescent detector as a rapid inspection instrument were successfully used to real-time monitor the sulfite in various complex samples.

关键词： Sulfite Fluorescent probe Portable fluorescence detector Traditional Chinese medicine surface water

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Distribution, characteristics, and research status of microplastics in the trunk stream and main lakes of the Yangtze River: A review

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China Geology 2022年第1期5卷 171-184页

作者： Fang-ting Wang Ke Bao Chang-sheng Huang Rui-ping Liu Wen-jing Han Cheng-yun Yi Long Li Yun Zhou Wuhan Center China Geological SurveyMinistry of Natural ResourcesWuhan 430205China Safety Center for River and Lake Protection Construction and OperationChangjiang Water Resources Commission of the Ministry of Water ResourcesWuhan 430015China Xi’an center China Geological SurveyMinistry of Natural ResourcesXi’an 710054China Institute of Geological Survey China University of Geosciences(Wuhan)Wuhan 430074China

Microplastic pollution has become an environmental issue of great concern owing to the persistence of microplastics and their potential adverse effects on *** Yangtze River is the longest river in China and the third-longest river in the world,and the microplastics in this river will affect the health of a large population living along with *** ensure the survival safety of people,it is essential to plan ahead and investigate in advance in order to understand the microplastic pollution in the river and work out *** paper reviews the literature concerning the microplastic pollution in the Yangtze River basin and analyzes the abundance,shapes,colors,and composition of microplastics in the water bodies and sediments in the trunk stream and main lakes of the Yangtze *** results are as *** to other river basins in China and abroad,the microplastics in the Yangtze River basin have a moderate abundance and high spatial *** to the barrier effect of the Three Gorges Dam on microplastics,the abundance of microplastics in the Three Gorges Reservoir is generally an order of magnitude higher than that in other sections of the *** microplastics in the water bodies and sediments are less than 1 mm in size and are transparent and *** terms of shapes,they are dominated by fibers,followed by fragments and *** terms of composition,the microplastics in the source region of the Yangtze River are mainly composed of nylon and polyethylene,while the microplastics in the surface water from the lower reaches of the Jinsha River to the Yangtze River estuary are dominated by polypropylene and *** microplastics are primarily derived from the secondary microplastics in the environment,and relatively intensive human activities increase the abundance of *** results serve as bases for understanding and preventing microplastic pollution in the Yangtze River.

关键词： Microplastics surface water Sediment Freshwater Spatial distribution Hydrogeological survey engineering Yangtze River China

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Characteristics and sources of microplastic pollution in the water and sediments of the Jinjiang River Basin,Fujian Province,China

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China Geology 2022年第3期5卷 429-438页

作者： Ya-ci Liu Lin Wu Guo-wei Shi Sheng-wei Cao Ya-song Li Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological SciencesChina Geological SurveyMinistry of Natural ResourcesShijiazhuang 050061China Fujian Provincial Key Laboratory of water Cycling and Eco-Geological Processes Xiamen 361000China

Microplastic pollution is widely distributed from surface water to sediments to groundwater vertically and from land to the ocean *** study collected samples from surface water,groundwater,and sediments from upper to lower reaches and then to the estuary in 16 typical areas in the Jinjiang River Basin,Fujian Province,***,it determined the components and abundance of the microplastics and analyzed the possible microplastic sources through principal component analysis(PCA).As a result,seven main components of microplastics were detected,i.e.,polyethylene(PE),polypropylene(PP),polyvinyl chloride(PVC),polyethylene terephthalate(PET),polyformaldehyde(POM),nylon 6(PA6),and polystyrene(PS).Among them,PE and PP were found to have the highest proportion in the surface water and sediments and in the groundwater,*** surface water,groundwater,and sediments had average microplastic abundance of 1.6 n/L,2.7 n/L and 33.8 n/kg,*** microplastics in the sediments had the largest particle size,while those in the groundwater had the smallest particle *** with water bodies and sediments in other areas,those in the study area generally have medium-low-level microplastic *** pollution sources were determined according to PCA,i.e.,the dominant agriculture-forestry-fishery source,domestic wastewater,and industrial *** study can provide a scientific basis for the control of microplastics in rivers.

关键词： Microplastic surface water Groundwater Sediment Estuary Hydrogeological survey engineering Environment geological survey engineering Jinjiang River basin

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Identification of pollution sources in river based on particle swarm optimization

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Journal of Hydrodynamics 2021年第6期33卷 1303-1315页

作者： Guang-han Zhang Xiao-dong Liu Si Wu Zu-lin Hua Li Zhao Hong-qin Xue Peng Wang Key Laboratory ofIntegrated Regulation and Resource Development on Shallow Lake ofMinistry of Education College of EnvironmentHohai UniversityNanjing 210098China School of Civil Engineering Nanjing Forestry UniversityNanjing 210037China Yangtze Institute for Conservation and Development Hohai UniversityNanjing 210098China Jiangsu Environmental Industry CO. LTDNanjing 210037China

The pollution sources identification model is presented by the coupling of the river water quality model and particle swarm optimization(PSO)algorithm to estimate pollution sources from the measured/simulated contaminant concentration in the ***“twin experiment”is adopted to verify the feasibility of the identification model,and three cases are constructed to explore the results of the identification model in different *** experiment test demonstrated that the identification model is effective and efficient,while the model can accurately figure out the quantities of the pollutants and position of a single pollution source or multiple sources,with the relative error of the mean is less than 3%.Many factors are explored,including the level of random disturbance and the impact of particle population *** outcome showed that the disturbance level is less than 5%,thus the precision is preferable,and when the number of particles is three,the identification is the *** performing multiple sources,identification of multiple sets of monitoring sections respectively can obtain more accurate results with less *** this paper,the optimization method of the inverse problem is applied to the identification of river pollution sources,which can help us to identify pollution sources and provide us a scientific basis for subsequent water pollution control and prevention.

关键词： Identification model particle swarm optimization(PSO)optimization source identification surface water

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River water Purification via a Coagulation-Porous Ceramic Membrane Hybrid Process

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Chinese Journal of Chemical Engineering 2014年第1期22卷 113-119页

作者：张荟钦仲兆祥李卫星邢卫红金万勤 State Key Laboratory of Materials-Oriented Chemical Engineering Membrane Science and Technology Research Center Nanjing University of Technology

Membrane filtration technology combined with coagulation is widely used to purify river *** this study,microfiltration(MF)and ultrafiltration(UF)ceramic membranes were combined with coagulation to treat local river water located at Xinghua,Jiangsu province,*** operation parameters,fouling mechanism and pilot-scale tests were *** results show that the pore size of membrane has small effect on the pseudo-steady flux for dead-end filtration,and the increase of flux in MF process is more than that in UF process for cross-flow filtration with the same increase of cross-flow *** membrane pore size has little influence on the water *** analysis on membrane fouling mechanism shows that the cake filtration has significant influence on the pseudo-steady flux and water quality for the membrane with pore size of 50,200 and 500 *** the membrane with pore size of 200 nm and backwashing employed in our pilot study,a constant flux of 150L·m 2·h 1was reached during stable operation,with the removal efficiency of turbidity,total organic carbon(TOC)and UV254 higher than 99%,45%and 48%,*** study demonstrates that coagulation-porous ceramic membrane hybrid process is a reliable method for river water purification.

关键词： ceramic membrane surface water membrane fouling mechanism pilot study

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Assessment of water quality and safety based on multi-statistical analyses of nutrients, biochemical indexes and heavy metals

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Journal of Central South University 2020年第4期27卷 1211-1223页

作者： JIANG Dong-yi WANG Yun-yan LIAO Qi LONG Zhe ZHOU San-yang School of Metallurgy and Environment Central South UniversityChangsha 410083China Chinese National Engineering Research Center for Control&Treatment of Heavy Metal Pollution Changsha 410083China water Pollution Control Technology Key Lab of Hunan Province Changsha 410004China School of Information Science and Engineering Central South UniversityChangsha 410083China Hunan Province Environmental Monitoring Centre Changsha 410014China

The purpose of this research was to better understand the water quality status of the Xiangjiang River, China, and to evaluate the risks posed by the river water. Precisely, ten water quality parameters including p H, dissolved oxygen(DO), Escherichia coli(E. coli), potassium permanganate index(CODMn), dichromate oxidizability(CODCr), five-day biochemical oxygen demand(BOD5), ammonia nitrogen(NH4+-N), total phosphorus(TP) and fluoride(F-) as well as metal(loid)s(Pb, Hg, Cd, As, Zn, Cu and Se) were monitored monthly in 2016 at 12 sampling sites throughout the Hengyang section of the Xiangjiang River. Concentrations of all parameters were presented according to rainy and dry seasons. They were compared with Chinese surface water standards and WHO drinking water limits to assess the sustainability of the river water status. Principal component analysis(PCA) revealed different pollution sources in different seasons. Dual hierarchical cluster analysis(DHCA) was applied to further classify the water quality variables and sampling sites. Besides, a risk assessment was introduced to evaluate the carcinogenic and non-carcinogenic concerns of heavy metal(loid)s to human health. This research will help to optimize water monitoring locations and establish pollution reduction strategies on the preservation of public safety.

关键词： surface water water quality human health risk the Xiangjiang River

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Comparison of two methods for detection of fecal indicator bacteria used in water quality monitoring of the Three Gorges Reservoir

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Journal of Environmental Sciences 2015年第12期27卷 42-51页

作者： Zhaodan Wang Guosheng Xiao Nong Zhou Wenhua Qi Lin Han Yu Ruan Dongqin Guo Hong Zhou College of life science and engineering Chongqing Three Gorges University

Scientifically sound methods to rapidly measure fecal indicator bacteria are important to ensure safe water for drinking and recreational purposes.A total of 200 water samples obtained from the Three Gorges Reservoir during three successive one-year study periods（October 2009 to September 2012） were analyzed using multiple-tube fermentation（MTF）and most probable numbers combined with polymerase chain reaction（MPN-PCR）.The MPN-PCR method was found to be significantly more sensitive than the MTF method for detecting Escherichia coli and Enterococcus spp.,and of equal sensitivity for detecting total coliforms when all surface water samples were grouped *** two analytical methods had a strong,significant relationship,but MPN-PCR took only 12-18 hr,compared with the 3-8 days needed using the MTF *** concentrations varied per sampling site but were significantly lower in the mainstream of the Yangtze River than those in the backwater areas of *** water quality of 85.8% of water samples from the mainstream was suitable for use as a centralized potable water source,while the water quality of 52.5% of water samples from the backwater areas was unsuitable for recreational *** between fecal indicator bacteria showed significant correlation（r = 0.636-0.909,p 〈 0.01,n = 200）,while a weak but significant correlation was found between fecal indicators and water turbidity,water temperature,daily inflow,and total dissolved solids（r = 0.237-0.532,p 〈 0.05,n = 200）.The study indicated that MPN-PCR is a rapid and easily performed deoxyribonucleic acid（DNA）-based method for quantitative detection of viable total coliforms,***,and Enterococcus *** surface water.

关键词： Three Gorges Reservoir Fecal indicator bacteria Multiple-tube fermentation MPN-PCR surface water

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