A magnetic composite consisting of iron oxide and a cobalt-aluminum layered double hydroxide, Fe2O3@Co-Al LDH was prepared through linking of Fe2O3 to Co-Al LDH by sodium acetate. Layered double hydroxides are generally described as [M2+1–xM3+x(OH)2][An–x/n·mH2O], where M2+ and M3+ are divalent and trivalent metal cations, respectively, and A is an n-valent interlayer guest anion. The composite was characterized by XRD, FTIR and UV-Vis. spectroscopy methods. Afterwards, the composite was used for methyl-orange adsorption in aqueous solution. The UV-Vis spectrum indicates that the adsorption process was satisfying. In effect, after several washings of the composite, no decrease of the adsorption capacity was observed.
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Methyl Orange Adsorption by Fe2O3@Co-Al Layered Double Hydroxide
Published: 14 November 2019 by MDPI in The 23rd International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis
Keywords: Composite; Fe2O3@Co-Al LDH; Methyl orange; Adsorption