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Hydrogels seem as possible materials to solve the dyes contamination in water. In this study, polyvinyl alcohol (PVA) based nanocomposite hydrogels having 3 wt.% bentonite were prepared by an innocuous physical crosslinking method. Although it is known the raw clay powder presents a good capability to uptake dyes, its removal after use and posterior reuses are very complicated to be performed. On...
Several casein hydrogels were synthesized using glutaraldehyde as a crosslinker. The hydrogel prepared from 10 wt% casein and 5 wt% glutaraldehyde at pH = 7.5 showed the best adsorption performance for Cu2+ and methylene blue (MB). The morphology and thermal stability of the hydrogels were characterized by Fourier transform infrared spectrophotometry (FTIR), field emission scanning electron microscopy...
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