spp. affects the Caribbean shores; thus, its remotion or valorization is a priority. This work aimed to synthesize a low-cost magnetically retrievable Hg adsorbent functionalized with ethylenediaminetetraacetic acid (EDTA) based on . The was solubilized to synthesize by co-precipitation a magnetic composite. A central composite design was assessed to maximize the adsorption of Hg. The solids yield magnetically attracted mass, and the saturation magnetizations of the functionalized composite were 60.1 ± 17.2%, 75.9 ± 6.6%, and 1.4 emu g. The functionalized magnetic composite yielded 29.8 ± 0.75 mg Hg g of chemisorption after 12 h, pH 5, and 25 °C achieving 75% Hg adsorption after four reuse cycles. Crosslinking and functionalization with FeO and EDTA created differences in surface roughness as well as the thermal events of the composites. The FeO@@EDTA composite was a magnetically recovered biosorbent of Hg.
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| http://dx.doi.org/10.3390/polym15061405 | DOI Listing |
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