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Distribution and fate of metals in the Montenegrin part of Lake Skadar

International Journal of Sediment Research 2014年第3期29卷 357-367页

作者： Mirjana VEMIC diederik rousseau Gijs DU LAING Piet LENS UNESCO-IHE Institute for Water Education Department of Environmental ResourcesP.O.Box 30152601 DADelftThe Netherlands University College West Flanders EnBiChem research groupGraaf Karel de Goedelaan 58500 KortrijkBelgium 3. Laboratory of Analytical Chemistry and Applied EcochemistryGhent UniversityFaculty of Bioscience EngineeringCoupure Links 653B-9000 GhentBelgium 4. UNESCO-IHE Institute for Water EducationDepartment of Environmental ResourcesP.O.Box 30152601 DA DelftThe Netherlands

Skadar Lake,the largest lake on the Balkan Peninsula,is famous for a wide range of endemic and rare,or even endangered plant and animal *** anthropogenic pressures have,however,influenced the fragile equilibria of the lake ecosystem,with metal pollution as one of the primary ***,this study investigated spatial distribution of metal pollutants in the water and sediment phase of Skadar Lake,and anthropogenic and environmental factors affecting this distribution.A sieving analysis showed that sediment in Skadar Lake is mainly distributed in the three smallest fractions(colloid,clay and silt).Eleven metals were analyzed in the lake surface and bottom water,and only six of them were detected:potassium,magnesium,calcium,nickel,aluminum and *** were all present at low *** contrast,sediments contained elevated levels of some metals with concentrations between 28.1-126.8 mg kg-1for Ni,23.6-79.2 mg kg-1for Cr,9.2-36.9 mg kg-1for Cu,199-878 mg kg-1for Mn and 9.6-23.1 g kg-1for *** exceeded consensus-based guidelines for safety towards freshwater dwelling *** organic matter content of the sediment fluctuated between 4.7 and 21.5%.No correlations were found between metal concentrations,organic matter and sediment particle size fractions,suggesting that the latter are not the main factors controlling metal accumulation in Skadar Lake.

关键词： Skadar Lake Nickel contamination Metal pollution Spatial distribution of metals

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Water treatment and reclamation by implementing electrochemical systems with constructed wetlands

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Environmental Science and Ecotechnology 2023年第4期16卷 88-105页

作者： Suanny Mosquera-Romero Eleftheria Ntagia diederik P.L.rousseau Abraham Esteve-Nú~nez Antonin Prevoteau Center for Microbial Ecology and Technology(CMET) Ghent UniversityCoupure Links 653B-9000GhentBelgium ESPOL Polytechnic University Escuela Superior Politécnica del LitoralESPOLFacultad de Ciencias Naturales y MatemáticasBOX9050Ecuador Department of Green Chemistry and Technology Ghent UniversitySint-Martens-Latemlaan 2BB-8500KortrijkBelgium Centre for Advanced Process Technology for Urban Resource Recovery(CAPTURE) Frieda Saeysstraat 19000GhentBelgium UniversitéParis-Saclay INRAEPROSE92160AntonyFrance Universidad de Alcalá Department of Analytical ChemistryPhysical Chemistry and Chemical EngineeringAlcaláde HenaresSpain

Seasonal or permanent water scarcity in off-grid communities can be alleviated by recycling water in decentralized wastewater treatment ***-based solutions,such as constructed wetlands(CWs),have become popular solutions for sanitation in remote *** typical CWs can efficiently remove solids and organics to meet water reuse standards,polishing remains necessary for other parameters,such as pathogens,nutrients,and recalcitrant *** CW designs and CWs coupled with electrochemical technologies have been proposed to improve treatment *** systems(ECs)have been either implemented within the CW bed(ECin-CW)or as a stage in a sequential treatment(CW+EC).A large body of literature has focused on ECin-CW,and multiple scaled-up systems have recently been successfully implemented,primarily to remove recalcitrant ***,only a few reports have explored the opportunity to polish CW effluents in a downstream electrochemical module for the electro-oxidation of micropollutants or electro-disinfection of pathogens to meet more stringent water reuse *** paper aims to critically review the opportunities,challenges,and future research directions of the different couplings of CW with EC as a decentralized technology for water treatment and recovery.

关键词： Sanitation and reuse Disinfection Advanced oxidation Decentralized systems Electrification

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