To actually extract Cu2+ ions from water, our exploration is committed to making magnetic nano-biocomposite hydrogels. By consolidating biocompatible polymers with magnetic nanoparticles, these hydrogels take utilization of the integral properties of the two materials. Their synthesis is both basic and scalable. The motivation behind this examination was to foster another adsorbent — a magnetic nano-biocomposite hydrogel — that could successfully eliminate Cu2+ ions, and afterward to make it simple to recuperate and reuse. Both the mass and powder types of two composite hydrogels were read up and looked at for their Cu2+ adsorption limits: one was the starch-g-poly (acrylic acid)/cellulose nanofibers (St-g-PAA/CNFs) half and half, and the other was the magnetic composite hydrogel (M-St-g-PAA/CNFs). The outcomes demonstrated that the swelling rate and kinetics of Cu2+ disposal were both upgraded by crushing the mass hydrogel into a powder. It was the Langmuir model that best explained the adsorption isotherm and the pseudo-second-order model that explained the active information. Hydrogels of M-St-g-PAA/CNFs with 2, 8 weight percent Fe3O4 nanoparticles infused into a Cu2+ arrangement at a centralization of 600 mg/L were tried for their maximal monolayer adsorption limit. In view of the aftereffects of vibrating sample magnetometry (VSM), the magnetic hydrogel containing 2 and 8 weight percent of magnetic nanoparticles, separately, showed paramagnetic way of behaving at the level with magnetizations of 0.8-0.68 and 1-1.06 emu/g. This demonstrated that the hydrogel had the fitting magnetic properties and great magnetic fascination in a magnetic field, which was helpful for adsorbent-arrangement division. Energy dispersive X-ray analysis (EDX), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM) were likewise used to describe the synthetic compounds that were created. Finally, after four treatment cycles, the magnetic bio adsorbent could be restored and utilized once more