Abstract:– Hydrogels have attracted the attention of domestic and foreign researchers due to their outstanding properties such as simple fabrication and diverse applications in many fields. In this study, hydrogels were synthesized from polyvinyl alcohol (PVA), chitosan (CS), and activated carbon (AC) towards removing copper ions from wastewater. The characteristic properties of hydrogels were investigated by analytical methods, including infrared spectroscopy (FTIR), X-ray diffraction (XRD), water swelling behavior, a… Show more
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