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The behaviour of metal contaminants in silty sand and gravel

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posted on 2018-05-14, 10:49 authored by Ado Y. Abdulfatah, Ashraf El-HamalawiAshraf El-Hamalawi, Andrew D. Wheatley, A. Marto
An investigative study is reported to determine the behaviour of metal contaminants in silty sand and gravel. A soil box experiment was conducted with a silty sand of permeability, k = 3.9242x10-5 m/s. The sand was placed on a bedding of 6 mm peagravel, inside the test box. Copper Nitrate, Chromium Nitrate, Nickel Sulphate and Lead Nitrate were dissolved, mixed with RO (reverse osmosis) water for use in four separate experiments. Column tests were conducted with the same silty sand and gravel and under similar experimental conditions. Copper flushing was very slow, it was strongly absorbed to the silty sand and gravel. Chromium was entirely retained (34mg/Kg) within the experimental system, and its released concentrations were very low. Nickel was shown to have a good aqueous solubility thus it was freely mobile in the sand. There was some minor adsorption of Nickel though lower than that of Copper and Chromium.

History

School

  • Architecture, Building and Civil Engineering

Published in

International Journal of Research in Chemical, Metallurgical and Civil Engineering

Volume

2

Issue

1

Pages

36 - 41

Citation

ABDULFATAH, A.Y. ... et al., 2015. The behaviour of metal contaminants in silty sand and gravel. International Journal of Research in Chemical, Metallurgical and Civil Engineering, 2(1), pp. 36-41.

Publisher

© International Institute of Engineers (IIENG)

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2015

Notes

This paper is distributed under the terms of the Creative Commons Attribution license, which permits unrestricted use, distribution and reproduction in any medium, provided that the original work is properly cited.

ISSN

2349-1442

Language

  • en

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