E3S Web of Conferences
Volume 1, 2013Proceedings of the 16th International Conference on Heavy Metals in the Environment
|Number of page(s)||3|
|Published online||22 July 2014|
Removal of Pb ion from water samples using red mud (bauxite ore processing waste)
1 Department of chemistry, Saveh Branch, Islamic Azad University, Saveh, Iran
2 Department of engineering, Urmia University of Technology, Urmia, Iran
3 Department of engineering, Saveh Branch, Islamic Azad University, Saveh, Iran
This work presented the use of red mud (bauxite ore processing waste) in removal of lead ions in water samples. For this 0.1 g of red mud has been used as adsorbent which suspended in 10 ml of lead solution with the concentration of 50 mg l-1 for about 1 h. After that the lead concentration in the samples taken from the red mud treated lead solution measured with atomic absorption spectroscopy (AAS). The effect of some parameter which is important in adsorption of lead on red mud such as suitable adsorbent dosage, pH and contact time of solution and adsorbent was investigated. The result shows that red mud as solid waste and low-cost adsorbent can be successfully used for the removal of lead ion from aqueous solution.
Key words: Red mud / Atomic Absorption Spectroscopy / Water sample
© Owned by the authors, published by EDP Sciences, 2014
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