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Characterization of the adsorbent using FTIR, SEM, EDS and XPS techniques suggested that the possible adsorption mechanisms were electrostatic attraction as well as ligand exchange. More importantly, the La-CTS-1X had rapid removal rate for phosphate within 10 min and the remained P concentration met the permissible limit by the U.S. Environmental Protection Agency (EPA). Magnetically immobilized papain is prepared by magnetic Fe3O4/P (GMA-EDGMA-St) composite carrier with the addition of 12.0 mg/mL papain, 5.0% glutaraldehyde and 4 hour