Pomegranate peels are considered as solid agricultural residues that were used as adsorbent materials, very effective in get rid of brilliant yellow Dye from aqueous solution after converting it to Acid-Activated Carbon by phosphoric acid. The surface properties were studied through the use of (FTIR ) and (FESEM) techniques. Several factors affect the adsorption process have been studied like, effect of dye concentration (10-100 mg/L ), where the adsorption efficiency (Qe mg/g) increases with increasing dye concentration ( mg/g ) and weight effect (0.01-0.1 ), the adsorption efficiency(Qe mg/g) decreases with increasing surface weight. Desorption of the Brilliant yellow from the ACPP was studied utilizing several type of solvents (acetone 10% (v/v), methanol 10% (v/v), 0.1N HCl, 0.1 N NaOH,). The adsorption is found through the results that obeys the Friendlich isotherm because it depends on the value of (R2 ) and also the heterogeneous surfaces.
The research contains the preparation of Cross-linking Hydrogel (Chitosan-g-poly (AA – Co – Am)). The way polymerization of the free radicals via utilizing the potassium persulfate as the initiator for the reaction, too with N, N’-methylene bis-acrylamide (NMBA)as a cross-linking agent The mixture gets treated via Acrylamide that includes The adsorption time was 120 mint. The adsorption was proved via utilizing the FESEM and FTIR analysis and analysis TEM And knowing the surface roughness AFM. Also, TGA appears that the hydrogel is stable at high temperatures. The kinetics parameter Study of the Hydrogel was performed via utilizing the Zinc oxide applies to the adsorption from the Pseudo-second order model Because (R2) an approximation of the correct one.
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