Geochemical and mineralogical evaluation of toxic contaminants mobility in weathered coal fly ash : as a case study, Tutuka dumpsite, South Africa

Geochemical and mineralogical evaluation of toxic contaminants mobility in weathered coal fly ash : as a case study, Tutuka dumpsite, South Africa

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The current study therefore aims to provide a comprehensive characterisation of weathered dry disposed ash cores, to reveal mobility patterns of chemical species as a function of depth and age of ash, with a view to assessing the potential environmental impacts. Fifty-nine samples were taken from 3...

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Bibliographic Details
Main Author: Akinyemi, Segun Ajayi.
Format: Others
Language:English
Published: 2011
Subjects:
Coal fly ash
Dry disposed fly ash
Weathering/ageing
Unsaturated weathered ash
Mineral phases
Bulk chemistry
Pore water chemistry
Insoluble mineral phase
Dissolved soluble salts
Acid susceptibility
Soluble buffering constituents
Amphoteric behaviour
Modified sequential extraction scheme
Chemical partitioning
Metals mobility
Major oxides
Major elements
Trace elements
Anion species.
Online Access:http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_6004_1325666445

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http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_6004_1325666445

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