Investigation of Zn(II) Adsorption from Aqueous Solution onto Copper Oxide with Different Morphologies: Optimization Using Response Surface Methodology
Russian Journal of Physical Chemistry A, ISSN: 1531-863X, Vol: 94, Issue: 9, Page: 1921-1929
2020
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Article Description
Abstract: This study was conducted to synthesize copper(II) oxides (CuO) with dendrite, leaf and feather morphologies. Synthesized CuO with dendrite and leaf morphologies were characterized by XRD, SEM, and BET/BJH and CuO with feather morphology with XRD, SEM, BET/BJH, FTIR, TEM, and DRS techniques. The effect of various CuO morphologies on Zn(II) adsorption was investigated. Among the morphologies observed in all experiments, feather morphology showed the highest efficiency. In order to evaluate the parameters X (mass of adsorbent (CuO feather)), X(pH) and X (contact time) in Zn(II) adsorption, the design of the experiment was performed using the Box–Behnken Design (BBD) method. Finally, the optimum conditions, mass of adsorbent (0.14 g), pH (7.99), and contact time (44.78 h) the Zn(II) adsorption efficiency was 99.98%. In the kinetic study of the reaction, it was also found that the adsorption process follows a pseudo-second order kinetic model.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85090291544&origin=inward; http://dx.doi.org/10.1134/s0036024420090149; https://link.springer.com/10.1134/S0036024420090149; https://link.springer.com/content/pdf/10.1134/S0036024420090149.pdf; https://link.springer.com/article/10.1134/S0036024420090149/fulltext.html; https://dx.doi.org/10.1134/s0036024420090149; https://link.springer.com/article/10.1134/S0036024420090149
Pleiades Publishing Ltd
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