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Preparation and post-treatments of ordered mesoporous carbons (OMC) for resorcinol removal

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Abstract

In this investigation, acrylic acid was used as a carbon precursor and SBA-15 as a mesoporous template to synthesize the ordered mesoporous carbons (OMC). Different ratios of SBA-15 to acrylic acid were evaluated to improve the OMCs adsorption capacity. It was found that the optimal ratio of SBA-15 to acrylic acid is 3:1. In the post-treatment study, four methods (NaOH, urea, NH3H2O, and AlCl3) were explored to investigate their influences on resorcinol removal. Results showed the ammonium hydroxide-treated OMC had the highest adsorption capacity of 40.6 mg/g for resorcinol removal. The nano-structures of the OMC and post-treated OMCs were characterized and confirmed. FTIR analysis indicated that the surface functional groups were changed after post-treatments. XRD patterns and TEM images suggested that the ordered structure was well maintained during the post-treatment processes, although the erosion effect was observed.

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Acknowledgments

This work was supported by the Louisiana Board of Regents under BORSF (2010-2015) LaSpace and by NASA under award NNX10AI40H.

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Correspondence to D. D. Gang.

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Ren, H., Shou, W., Ren, C. et al. Preparation and post-treatments of ordered mesoporous carbons (OMC) for resorcinol removal. Int. J. Environ. Sci. Technol. 13, 1505–1514 (2016). https://doi.org/10.1007/s13762-016-0990-7

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  • DOI: https://doi.org/10.1007/s13762-016-0990-7

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