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Phenol and ammonium removal by using Fe-ZSM-5 synthesized by ammonium citrate iron source

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Abstract

Fe-ZSM-5 zeolites are important for many applications, especially for catalysis and volatile organic carbon removal. However, the inclusion of a high content of iron in the ZSM-5 structure is hindered due to the high pH required for hydrothermal synthesis. To overcome this problem, the synthesis of Fe-ZSM-5 zeolites with a novel iron chelate complex as the iron source (ammonium iron citrate) and a common iron source (iron chloride) was investigated. The synthesized materials were characterized by XRD, BET, SEM, FTIR, XPS and ICP. The total iron content was determined by ICP. Fe-ZSM-5 zeolites prepared by the ammonium iron citrate source method contain the highest iron concentration within the framework of a Mobil five structure, which has a high surface area and crystallinity. The prepared materials were used to remove phenol and ammonium. The catalytic results demonstrated that Fe-ZSM-5 prepared with ammonium iron citrate is the best catalyst.

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Acknowledgments

The authors thank the Korea Institute of Civil Engineering and Building Technology (KICT), Korea University of Science and Technology (UST), Korea (Research No 2016-0158), for help performing the research work submitted in this article.

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Correspondence to K. S. Kim.

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Editorial responsibility: M. Abbaspour.

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Aziz, A., Park, H., Kim, S. et al. Phenol and ammonium removal by using Fe-ZSM-5 synthesized by ammonium citrate iron source. Int. J. Environ. Sci. Technol. 13, 2805–2816 (2016). https://doi.org/10.1007/s13762-016-1107-z

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  • DOI: https://doi.org/10.1007/s13762-016-1107-z

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