[PDF] Top 20 Trace metals in Malaysian dredged marine sediments
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Trace metals in Malaysian dredged marine sediments
... The sediments often contaminated with organic and inorganic pollutants (Meegoda and Perera, 2001) ...mainly trace metals (cadmium, mercury, lead and nickel), nitrates, phosphates and salts (Zoubier ... See full document
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Development of an environmental management framework for sustainable reuse of Malaysian dredged marine sediments
... of trace metals in ...in sediments, which affected by sediments mineralogy, dimension and ...distribution. Trace elements are adsorbed by organic substances like carbohydrates, and ... See full document
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Trace metals and Environmental Impact of Fly ash on Marine sediment in Tuticorin Coastal area, Tuticorin, Tamil Nadu, India
... heavy metals in solution has widely been recognized as a major factor in the geochemical behavior, transport and biological effects of these elements in natural waters 7-11 ...heavy metals, which enter the ... See full document
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Speciation of Trace Metals Pb, Zn, Cu and Cd in Surficial Sediment from Makupa Creek Mombasa, Coastal Kenya
... of sediments contaminant is critical to tract regional trends, understand potential toxic impacts to marine resources and make management decisions ...The sediments provide both short and long term ... See full document
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Small scale heterogeneity of trace metals including rare earth elements and yttrium in deep sea sediments and porewaters of the Peru Basin, southeastern equatorial Pacific
... the marine environment, when, for example, Ce and Y are decoupled from their REY neighbors during redox cycling and hydrogenetic Mn and/or Fe (oxy- hydr)oxide formation, respectively (Bau et ...in sediments ... See full document
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The ex-situ immobilization experiment of heavy metals in dredged marine sediments from Bohai Bay, China
... of dredged marine sediments were generated worldwide due to the management of channel navigation and harbor construction [1, ...for dredged marine sediments was their potential ... See full document
15
Geo characterisation of dredged marine soils from Malaysian waters for potential reuse assessment
... most dredged marine soils contain high fine particles (silt and clay) than gravel and ...Perlis dredged sample contained greater sand portion than ... See full document
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Fungal Leaching of Heavy Metals from Sediments Dredged from the Deûle Canal, France
... heavy metals from contaminated Norwegian marine sediments treated by stabilization/ ...heavy metals from contaminated dredged ...characterized sediments during oxidation and ... See full document
8
Trace Metals and Major Elements in Sediments of the Northern Persian Gulf
... 78 marine sediment samples collected from the Iranian coastal waters of the Persian ...(trace metals) and Ca, Fe, Mg, Na, P, S, Si (major metals), were determined by Inductively Coupled Plasma ... See full document
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Assessment of metal concentration in dredged marine sediments: Contamination indices
... unwanted sediments from the ...discharge. Metals is inorganic pollutant which is undegradable and can be toxic to marine ...Four dredged marine sediments samples were retrieved ... See full document
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Distribution of Heavy Metals and Rare Earth Elements in the Surface Sediments of Penang River Estuary, Malaysia
... surface sediments of Penang River, Cd, Cr, Zn and Pb concentrations were found to be significantly elevated and, therefore, might pose a threat to the aquatic ...of metals which are in agreement with ... See full document
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Nucleation and growth of todorokite from birnessite: Implications for trace-metal cycling in marine sediments
... todorokite nucleation, then crystal growth from solution to form todorokite primary.. particles, followed by their self-assembly and oriented growth via oriented attachment.[r] ... See full document
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Distribution and Pollution Assessment of Heavy Metals in Beidaihe Near Shore Marine Sediments
... Results show that the contents of these five heavy metals are lower at the inshore area of Beidaihe and increase along the coastal lines. The distribution of As is different from others whose peak value lied at ... See full document
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Potential contaminants at a dredged spoil placement site, Charles City County, Virginia, as revealed by sequential extraction
... oxidizable trace ele- ments 共fraction 4 in sequential extractions兲 into local ground- ...the trace elements released by the proposed mechanism are subsequently absorbed by newly produced iron, manganese, ... See full document
12
Heavy Metals and Pesticides in Marine Sediment, Seawater, and Seaplants Along the Kenya-Mombasa Coastline
... our marine ecosystem is polluted, as it would be expected that these values should be lower than the former study since there is no lead smelter at the Kenyan ...of marine pollution since the levels were ... See full document
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Concentration of heavy metals in sediments and bivalves (Soletellina sp.) in the mangrove environments of Tok bali, Kelantan, Malaysia
... integrated indication of environmental contamination. Contaminant levels in the tissues of bivalves more accurately reflect the magnitude of environmental contamination compared to fish and crustacean, for bivalves have ... See full document
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Evaluation of possible human exposure to metals in chicken-livers obtained from market in Mafikeng, South Africa
... 3), trace elements such as Li, Mo, Br, Cr, Mn, Si, B and Sc are vital for maintaining ...These trace elements are part of enzymes, hormones and cells in the ... See full document
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Survival of pathogenic bacteria in dredged marine soils
... the marine environment as it requires salt for ...water, marine soil and a variety of seafood indicating its ability to survive almost indefinitely ... See full document
6
Leaching characteristics of solidified dredged marine soils
... solution of Cu is lower than 1.300 mg/L. This finding indicated that the Cu leaching solution is under the allowable limit which means the concentration of Cu for solidified samples is safe for both environmental and ... See full document
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Compressibility and Permeability of Solidified Dredged Marine Soils (DMS) with the Addition of Cement and/or Waste Granular Materials (WGM)
... In order to clear and maintain the ship’s navigation channel, dredged marine soils (DMS) are required to be excavated out along the waterway. DMS is characterized as geo- waste which is prone to be dumped ... See full document
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