Adsorption of Cu(II) to [email protected] and its application for the catalytic reduction of 4-NP

Add time:08/16/2019    Source:sciencedirect.com

[email protected] was successfully fabricated and examined for Cu2+ adsorption from aqueous solutions. [email protected] was characterized by XRD, FT-IR, SEM, EDX and VSM. Furthermore, the effects of some factors such as pH, adsorbent type, Cu2+ concentration, adsorbent amount and time on adsorption capacity were studied. The isotherm analysis indicates that the sorption data were expressed by Langmuir isotherm model better than Freundlich and the adsorption kinetics was followed from the pseudo-second-order equation. After the adsorption process, the adsorbent could be effortlessly magnetically separated. Also, the catalytic performance of the [email protected]@Cu was evaluated for the reduction of p-nitrophenol with NaBH4.

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