Fractionation Release And Adsorption Of Heavy Metals In Contaminated Marine Sediments PDF Download
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Author | : 馬依琪 |
Publisher | : Open Dissertation Press |
Total Pages | : |
Release | : 2017-01-27 |
Genre | : |
ISBN | : 9781361414330 |
Download Fractionation, Release and Adsorption of Heavy Metals in Contaminated Marine Sediments Book in PDF, ePub and Kindle
This dissertation, "Fractionation, Release and Adsorption of Heavy Metals in Contaminated Marine Sediments" by 馬依琪, Yee-ki, Ma, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3122768 Subjects: Contaminated sediments - China - Hong Kong Heavy metals - Environmental aspects - China - Hong Kong
Author | : |
Publisher | : |
Total Pages | : |
Release | : 2003 |
Genre | : |
ISBN | : |
Download Fractionation, Release and Adsorption of Heavy Metals in Contaminated Marine Sediments Book in PDF, ePub and Kindle
Author | : HerbertE. Allen |
Publisher | : Routledge |
Total Pages | : 320 |
Release | : 2018-04-27 |
Genre | : Science |
ISBN | : 1351432168 |
Download Metal Contaminated Aquatic Sediments Book in PDF, ePub and Kindle
Over the past decade the sediments of many rivers, lakes, and estuaries have been contaminated by inorganic and organic materials. Contaminants from sediments, under certain conditions, can be released into overlying waters. Thus, sediments may be an important source of contaminants to waters in which littoral and atmospheric contaminants have been reduced or eliminated. Often found in aquatic sediments, metals are exposed to many reactions, such as sorption and precipitation, and are greatly influenced by the redox conditions in the sediment. The reactions - usually over a period of time - reflect biotic processing as well as chemical transformations. This book describes these important processes. Metal Contaminated Aquatic Sediments outlines advances in environmental chemistry, effective new modeling techniques, applications for biological treatment, and cycling and transport of trace metals in sedimentary environments. Each chapter contains a detailed reference section that draws upon a stunning array of sources. The book includes many figures and tables that illustrate the process under discussion. Features
Author | : Alexandra Katsiri |
Publisher | : |
Total Pages | : 22 |
Release | : 2009 |
Genre | : Contaminated sediments |
ISBN | : |
Download Chemical Speciation and Heavy Metal Mobility in Contaminated Marine Sediments Book in PDF, ePub and Kindle
Management of sediments from coastal areas, contaminated with heavy metals and organic substances, is a very critical issue. Management decisions are usually based on total pollutant concentrations and various guidelines that are used by different countries. Heavy metals can be mobilized from polluted sediments if they are exposed to changing environmental conditions that occur during excavation, disposal at sea, or disposal in confined facilities. This paper examines the changes in heavy metals partitioning to binding phases in contaminated marine sediments and the release of metals to the environment. Environmental conditions are simulated by submitting sediments to a modified elutriation test with oxygenated and deoxygenated seawater. A sequential extraction procedure is used to determine the binding fractions of heavy metals in the sediments. Fractionation analysis of excavated marine sediments from the port of Piraeus, Greece showed that copper is primarily associated with organic matter, whereas lead and zinc are primarily associated with iron oxides. Under anoxic conditions, the metals bound to the various binding fractions remain practically stable. On the other hand, under oxic conditions, an increase in the concentration of metals associated with carbonates and a decrease in the concentration of metals associated with organic matter and iron oxides were observed. Both under oxic and anoxic conditions, actual metal mobility was very low and less than 0.5 % of total metal mass was found in the dissolved phase.
Author | : K. R. Demars |
Publisher | : ASTM International |
Total Pages | : 334 |
Release | : 1995 |
Genre | : Contaminated sediments |
ISBN | : 0803120281 |
Download Dredging, Remediation, and Containment of Contaminated Sediments Book in PDF, ePub and Kindle
Proceedings of the June 1994 title symposium held in Montreal, Quebec, Canada, and sponsored by the ASTM Committee on Soil and Rock. Papers identify and describe tests, methods, procedures, and materials used in support of dredging, treatment, and containment of contaminated sediments, and focus on
Author | : Catherine N. Mulligan |
Publisher | : CRC Press |
Total Pages | : 322 |
Release | : 2009-12-16 |
Genre | : Science |
ISBN | : 1420062239 |
Download Sediments Contamination and Sustainable Remediation Book in PDF, ePub and Kindle
Although valuable resources in river basins and other aqueous environments, sediments often receive much less attention from researchers, policymakers, and other professionals than other components of the ecosystem. Until now. Highlighting the important role that sediments play in the geoenvironment, Sediments Contamination and Sustainable Remediat
Author | : Teh Fu Yen |
Publisher | : |
Total Pages | : 282 |
Release | : 1977 |
Genre | : Chemical oceanography |
ISBN | : |
Download Chemistry of Marine Sediments Book in PDF, ePub and Kindle
Author | : J.A.C. Broekaert |
Publisher | : Springer Science & Business Media |
Total Pages | : 638 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 3642742068 |
Download Metal Speciation in the Environment Book in PDF, ePub and Kindle
Proceedings of the NATO Advanced Study Institute on Metal Speciation in the Environmental held in Cesme, Turkey, October 9-20, 1989
Author | : J. Eleonora Sabadell |
Publisher | : |
Total Pages | : 360 |
Release | : 1974 |
Genre | : Heavy metals |
ISBN | : |
Download Traces of Heavy Metals in Water Book in PDF, ePub and Kindle
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 433 |
Release | : 2003-05-03 |
Genre | : Technology & Engineering |
ISBN | : 0309086256 |
Download Bioavailability of Contaminants in Soils and Sediments Book in PDF, ePub and Kindle
Bioavailability refers to the extent to which humans and ecological receptors are exposed to contaminants in soil or sediment. The concept of bioavailability has recently piqued the interest of the hazardous waste industry as an important consideration in deciding how much waste to clean up. The rationale is that if contaminants in soil and sediment are not bioavailable, then more contaminant mass can be left in place without creating additional risk. A new NRC report notes that the potential for the consideration of bioavailability to influence decision-making is greatest where certain chemical, environmental, and regulatory factors align. The current use of bioavailability in risk assessment and hazardous waste cleanup regulations is demystified, and acceptable tools and models for bioavailability assessment are discussed and ranked according to seven criteria. Finally, the intimate link between bioavailability and bioremediation is explored. The report concludes with suggestions for moving bioavailability forward in the regulatory arena for both soil and sediment cleanup.