Abstract
The effect of the fuel nature and of the reaction atmosphere (in air/in the absence of air) on the synthesis of iron oxides by the combustion method was investigated. Working in air, using urea with ammonium chloride as fuel, the final product of reaction is α-Fe2O3. Working in the absence of air, using oxalic, tartaric, respectively, citric acid as fuel, the single phase resulted in combustion reaction was Fe3O4. From the synthesized iron oxides investigated as potential sorbents for the removal of phenol and p-chlorophenol (PCP) from wastewater, only the sorbents obtained using tartaric acid as fuel (S3) and those obtained using citric acid as fuel (S2) show adsorption capacity for the two pollutants. The sorbent S3 shows better adsorption capacity for both phenol and for PCP compared with sorbent S2.
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This work was partially supported by the strategic Grant POSDRU 107/1.5/S/77265 inside POSDRU Romania 2007–2013 co-financed by the European Social Fund—Investing in People.
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Mihoc, G., Ianoş, R., Păcurariu, C. et al. Combustion synthesis of some iron oxides used as adsorbents for phenol and p-chlorophenol removal from wastewater. J Therm Anal Calorim 112, 391–397 (2013). https://doi.org/10.1007/s10973-012-2750-3
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DOI: https://doi.org/10.1007/s10973-012-2750-3