This study was designed to investigate the fundamental aspects of a possible removal of phosphorous from wastewater by using the mesoporous structure materials for wastewater reuse. The zirconium sulphate with mesoporous structure as a new type of ion exchangers was synthesised by hydrothermal reaction. From the results of X-ray diffraction and transmission electron microscope, it was discovered that the synthesised material had hexagonal mesoporous structure with a pore size of approximately 40–50Å. Experimental results showed that the zirconium sulphate with mesoporous structure had very high sorption capacity for the phosphorus. The novel ion exchange occurred between PO43− and SO42−, OH−. The amount of phosphate ions exchanged into the solid was as great as 3.4 mmol/g-ZS. Furthermore, it is possible to obtain a higher removal efficiency than other ion exchange media and adsorbents.
Phosphorus recovery by mesoporous structure material from wastewater
S.H. Lee, B.C. Lee, K.W. Lee, S.H. Lee, Y.S. Choi, K.Y. Park, M. Iwamoto; Phosphorus recovery by mesoporous structure material from wastewater. Water Sci Technol 1 January 2007; 55 (1-2): 169–176. doi: https://doi.org/10.2166/wst.2007.052
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