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  • 1
    Online Resource
    Online Resource
    Transformation Processes of Metals in Urban Road Dust : Implications for Stormwater Reuse (2020)
    Singapore : Springer Singapore | Singapore : Imprint: Springer
    Details Availability
    Keywords: Water pollution ; Water quality ; Engineering geology ; Engineering—Geology ; Foundations ; Hydraulics
    Description / Table of Contents: Chapter 1: Metals in urban stormwater environments -- Chapter 2: Research design -- Chapter 3: Metal transformation and stormwater quality -- Chapter 4: Risk evaluation based on the metal transformation and bioavailability -- Chapter 5: Practical implications and recommendation for future research -- Appendices -- Index.
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource(VI, 50 p.)
    Edition: 1st ed. 2020.
    ISBN: 9789811520785
    Series Statement: SpringerBriefs in Water Science and Technology
    URL: https://doi.org/10.1007/978-981-15-2078-5
    DOI: 10.1007/978-981-15-2078-5
    Language: English
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  • 2
    Online Resource
    Online Resource
    Transformation Processes of Metals in Urban Road Dust : Implications for Stormwater Reuse. (2020)
    Singapore :Springer Singapore Pte. Limited,
    Details
    Keywords: Runoff. ; Runoff-Purification. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (56 pages)
    Edition: 1st ed.
    ISBN: 9789811520785
    Series Statement: SpringerBriefs in Water Science and Technology Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=5990288
    DDC: 551.48800000000006
    Language: English
    Note: Intro -- Contents -- 1 Metals in the Urban Stormwater Environment -- 1.1 Background -- 1.2 Metals in Urban Roads -- 1.3 Understanding the Behavioural Changes of Metals and Potential Stormwater Quality Impacts -- 1.3.1 Adsorption -- 1.3.2 Surface Precipitation -- 1.3.3 Oxidation-Reduction -- 1.4 Factors Influencing Metal Transformation -- 1.4.1 Physicochemical Properties of Road Dust -- 1.4.2 Environmental Factors -- 1.5 Summary -- References -- 2 Research Design for Investigating Metal Transformations on Urban Roads -- 2.1 Background -- 2.2 Study Area and Study Sites -- 2.3 Sample Collection -- 2.3.1 Study Plot -- 2.3.2 Road Dust Sample Collection -- 2.3.3 Sample Handling, Storage and Subsampling -- 2.4 Laboratory Analyses -- 2.4.1 Selection of Test Parameters -- 2.4.2 Analysis of Metals -- 2.4.3 Analysis of Physicochemical Properties of Road Dust -- 2.4.4 Quality Control and Quality Assurance -- 2.5 Summary -- References -- 3 Metal Transformation and Stormwater Quality -- 3.1 Background -- 3.2 Relationships Between Mobility and Bioavailability of Metals and Geochemical Fractions -- 3.3 Influence of Particle Size of Road Dust on Geochemical Behaviour of Metals -- 3.4 Time Dependent Metal Transformation -- 3.4.1 Transformation of Zn -- 3.4.2 Transformation of Cu -- 3.4.3 Transformation of Pb -- 3.4.4 Transformation of Cd -- 3.5 Influence of Metal Transformation and Mobility on Stormwater Quality -- 3.6 Summary -- References -- 4 Assessment of Human Health Risks from Metals in Urban Stormwater Based on Geochemical Fractionation and Bioavailability -- 4.1 Background -- 4.2 Risk Indices -- 4.2.1 Human Health Risk Indices -- 4.2.2 Drawbacks in Classical Risk Indices -- 4.3 Assessing Metal Concentration in Stormwater Using Metal Build-Up Load -- 4.4 Human Health Risk Assessment -- 4.5 Summary -- References. , 5 Practical Implications and Recommendation for Future Research -- 5.1 Background -- 5.2 Implications of Research Outcomes -- 5.2.1 Implications Related to Transformation Processes of Metals -- 5.2.2 Implications Related to Human Health Risk Assessment of Metals in Stormwater -- 5.3 Recommendations for Future Research -- References -- Index.
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  • 3
    Online Resource
    Online Resource
    Sustainable Urban Water Environment : Climate, Pollution and Adaptation. (2014)
    Cheltenham :Edward Elgar Publishing Limited,
    Details
    Keywords: Municipal water supply -- Computer simulation. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (304 pages)
    Edition: 1st ed.
    ISBN: 9781781004647
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1659770
    DDC: 363.610113
    Language: English
    Note: Cover -- Copyright -- Contents -- Preface -- Foreword -- Abbreviations and chemical symbols -- PART I Risks and challenges -- 1. Spreading urbanisation and the water environment -- 2. Changing climate and the water environment -- 3. Sustaining urban water environments -- PART II Impacts and predictions -- 4. Measuring urban water pollutants -- 5. Source contributions of pollutants -- 6. Modelling water pollutant processes -- PART III Opportunities and directions -- 7. Determining urban sustainability performance -- 8. Assessing sustainability of urban ecosystems -- 9. Achieving urban sustainability and implications for the urban water environment -- 10. Conclusion: Moving towards sustainable water futures -- References -- Index.
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  • 4
    Online Resource
    Online Resource
    Influence of Traffic and Land Use on Urban Stormwater Quality : Implications for Urban Stormwater Treatment Design (2018)
    Singapore : Springer
    Details Availability
    Keywords: Engineering ; Hydrology ; Engineering geology ; Foundations ; Hydraulics ; Water pollution ; Engineering geology.
    Description / Table of Contents: This book presents a detailed analysis in relation to pollutant processes and transport pathways encompassing atmospheric pollutants, atmospheric deposition and build-up on road surfaces of traffic generated key pollutants. The research study undertaken by the authors created extensive knowledge relating to the relevant processes and establishing their relationships as a chain of processes. The information presented in this book was derived based on comprehensive experimental investigations including field sampling, laboratory testing, mathematical modelling and multivariate and univariate statistical data analyses. The knowledge presented will be of particular interest to readers such as stormwater treatment design specialists, decision-makers and urban planners since these outcomes provide practical suggestions and recommendations to effective urban stormwater treatment design
    Type of Medium: Online Resource
    Pages: Online-Ressource (X, 84 p. 30 illus., 21 illus. in color, online resource)
    ISBN: 9789811053023
    Series Statement: SpringerBriefs in Water Science and Technology
    URL: https://doi.org/10.1007/978-981-10-5302-3
    DOI: 10.1007/978-981-10-5302-3
    Language: English
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  • 5
    Electronic Resource
    Electronic Resource
    Oxidation of ethylenediaminetetraacetate by tris(diimine) iron(III) complexes and the dodecatungstocobaltate(III) ion: a comparative kinetic and mechanistic study (1994)
    Springer
    Transition metal chemistry 19 (1994), S. 151-153 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The stoichiometry and kinetics of the oxidation of ethyl-enediaminetetraacetate by [Fe(phen)3]3+, [Fe(bipy)3]3+ and [CoIIIW12O40]5− were studied in aqueous HClO4. Reaction rates were first order with respect to the oxidants and the reductant, and the dependence of the second order rate constant k 2 on [H+] is given by k 2 = a + b[H+ −. The primary products were CO2, CH2O and (CH2NH2)2. Schuster treatment is employed to show that the reactions occur by the outersphere mechanism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00161877
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Electron transfer at an encapsulated cobalt(III) centre: kinetics of oxidation of thiourea and 1,1,3,3-tetramethyl-2-thiourea in aqueous acidic media (1994)
    Springer
    Transition metal chemistry 19 (1994), S. 253-256 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The stoichiometries, kinetics and mechanisms of oxidation of (NH2)2CS (1) and (Me2N)2CS (2) to the corresponding disulphides by CoIIIM (M = W12O40 ∞-) in aqueous HC1O4 were investigated. The reaction with (1) follows the empirical rate law- d[oxidant] = k[reductant][oxidant] where k = 12.5 ± 0.3 m−1 s−1 at 25° C, while that with (2) follows the equation- d[oxidant] = a + b [reductant] [reductant] [oxidant] where a = 5.4 × 104 M−1s−1 and b = 3.3 × 106M−2 s−1 at 25° C. Free radicals are important in the reactions and possible reaction mechanisms are suggested and discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00161901
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Oxidation of N-(2-hydroxyethyl)ethylenediamine triacetate by tris(polypyridy)iron(III) complexes and the dodecatungstocobaltate(III) ion (1993)
    Springer
    Transition metal chemistry 18 (1993), S. 475-477 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The stoichiometry, kinetics and mechanism of oxidation of N-(2-hydroxyethyl)ethylenediamine triacetate by K5CoIIIW12O40, Fe(phen) inf3 sup3+ and Fe(bipy) inf3 sup3+ have been studied. Each reaction is first order with respect to the oxidant and the reductant, but retarded by [H+] in the 0.20–1.60 mol dm −3 range. Simple electron exchanges are thought to occur, leading to the decarboxylation of the substrate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00136607
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  • 8
    Electronic Resource
    Electronic Resource
    Electron transfer at tetrahedral cobalt(II). Part V: kinetics of permanganate ion reduction (1994)
    Springer
    Transition metal chemistry 19 (1994), S. 212-214 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The kinetics and mechanism of the reduction of MnO4 − by CoW12O4O6− in aqueous HC1O4 were studied. The reaction follows the rate law:-d[MnO inf4 sup− ]/dt = 5K a k[H+][MnO inf4 sup− ][CoW12O4O6−] with K a = 2.99 × 10−3mol−1 dm3 and k = 2.00 ± 0.02 × 103dm6mol−2s−1 at 25°C. Close agreement between k obs and k calc on the basis of Marcus theory suggest an outersphere mechanism operates. Alkali metal ions catalyse the reaction in the order K+ 〉 Na+ 〉 Li+ and this result has been rationalized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00161892
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  • 9
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    Dispersal and transport of microplastics in river sediments (2021)
    Elsevier
    In:  Environmental Pollution, 279 . Art.-Nr.: 116884.
    Details
    Publication Date: 2022-01-07
    Description: Rivers are viewed as major pathways of microplastic transport from terrestrial areas to marine ecosystems. However, there is paucity of knowledge on the dispersal pattern and transport of microplastics in river sediments. In this study, a three dimensional hydrodynamic and particle transport modelling framework was created to investigate the dispersal and transport processes of microplastic particles commonly present in the environment, namely, polyethylene (PE), polypropylene (PP), polyamide (PA), and polyethylene terephthalate (PET) in river sediments. The study outcomes confirmed that sedimental microplastics with lower density would have higher mobility. PE and PP are likely to be transported for a relatively longer distance, while PA and PET would likely accumulate close to source points. High water flow would transport more microplastics from source points, and high flow velocity in bottom water layer are suggested to facilitate the transport of sedimental microplastics. Considering the limited dispersal and transport, the study outcomes indicated that river sediments would act as a sink for microplastic pollutants instead of being a transport pathway. The patchiness associated with the hotspots of different plastic types is expected to provide valuable information for microplastic source tracking.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/j.envpol.2021.116884
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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