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The magnetic hydrotalcite supported biopolymeric composites were synthesized by hydrothermal (Hydro) and in situ precipitation (in situ) methods for selective chromium removal. A comparative evaluation of chromium sorption capacity (SC)… Click to show full abstract
The magnetic hydrotalcite supported biopolymeric composites were synthesized by hydrothermal (Hydro) and in situ precipitation (in situ) methods for selective chromium removal. A comparative evaluation of chromium sorption capacity (SC) of both hydrothermal and in situ synthesized magnetic biocomposites namely Fe3O4@alginate/hydrotalcite (Fe3O4@AlgHT) composite, Fe3O4@chitosan/hydrotalcite (Fe3O4@CSHT) composite, and Fe3O4@gelatin/hydrotalcite (Fe3O4@GelHT) composite was carried out. The hydrothermally synthesized magnetic biocomposites demonstrated greater chromium SC than in situ method. The synthesized materials were characterized by Fourier transform infrared spectrometer, X-ray diffraction, Brunauer–Emmett–Teller, ultraviolet–visible spectrophotometer, vibrating sample magnetometer, transmission electron microscope, scanning electron microscope, and energy dispersive X-ray analysis. The equilibrium data of the synthesized magnetic biocomposites were explained by Langmuir, Freundlich, and Dubinin–Radu...
Journal Title: Journal of Chemical & Engineering Data
Year Published: 2018
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