Journal
WATER AIR AND SOIL POLLUTION
Volume 207, Issue 1-4, Pages 307-317Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/s11270-009-0138-1
Keywords
Metallic nanoalloys; Activated carbon; Sewage sludge; Adsorbent materials
Funding
- Universidad Autonoma del Estado de Mexico [2342/2006]
- Marcos Solache-Rios
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Actually, there is a growing interest in finding efficient low-cost materials that allow the removal of chemical substances from water in order to decrease the environmental impact. The use of nanoscale systems is a new area of investigation for the elimination of polluting agents from water among other useful applications in science and technology. In this work, removal of indigo blue in water solutions has been evaluated using Fe/Cu nanoparticles and composites of C/Fe-Cu nanoalloy. The first composite was using carbon obtained by pyrolysis of sewage sludge with Fe/Cu nanoparticles (MCL-NP); the second one was made with commercial activated carbon and Fe-Cu nanoparticles (CAC-NP). Synthesis of materials were carried out by the sodium borohydride reduction of FeSO(4)a <...7H(2)O and CuSO(4)a <...5H(2)O aqueous mixture. Batch adsorption and isotherm experiments were carried out in order to know the behavior of each adsorbent material employed. The experimental data were adjusted to Langmuir, Freundlich, and BET models.
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