Abstract
Here we report the removal of 4-chlorophenols from waste water through the use of horseradish peroxidase (HRP) immobilized on Fe3O4/Au_GO nanoparticles. The large amount of surface functional groups on the support, which is coated with citric acid molecules, enables rapid enzyme immobilization through electrostatic interactions. HRP have been immobilized through physical adsorption on Fe3O4/Au_GO for 4-chlorophenols removal. The 4-chlorophenol degradation in presence of HRP immobilized on Fe3O4/Au_GO was 98 % after 180 min and at room temperature, with a reusability after three cycle of 95 %.
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