Synthesis an‎d characterization of modified cherry tree gum hydrogels an‎d investigation of their performance for absorbing water pollutants

10/12/2026 12:00:00 AM

In this study, a natural hydrogel based on cherry tree gum was synthesized an‎d investigated as an environmentally friendly an‎d biocompatible adsorbent for the removal of various pollutants from water sources. In the synthesis process, acrylamide was used as the main monomer, ammonium persulfate as the polymerization initiator, an‎d methylene bisacrylamide as the crosslinking agent to create a three-dimensional structure in the polymer network. In order to increase the adsorption capacity an‎d improve the stability of the structure, the resulting hydrogel was modified with the green algae Spirulina an‎d converted into a composite. The structure an‎d chemical composition of the modified hydrogel were investigated using FT-IR, FE-SEM, EDX, an‎d TGA tests. The results confirmed the formation of a coherent network an‎d the presence of active functional groups such as hydroxyl, amide, an‎d carboxyl. To eva‎luate the adsorption performance, four effective parameters including solution pH, contact time, initial contaminant concentration an‎d adsorbent amount were optimized. The modified hydrogel was able to effectively remove three pollutants including heavy metal copper (II) ion, antibiotic drug amoxicillin an‎d methylene blue dye from aqueous environments. The maximum adsorption capacity was obtained for copper metal, amoxicillin an‎d methylene blue equal to 11.938, 9.888 an‎d 18.294 mg/g, respectively. In this study, the adsorption kinetics an‎d isotherm were investigated for each pollutant separately an‎d the results were reported. Overall, the results of this study showed that the modified cherry tree gum-Spirulina hydrogel can be considered an efficient an‎d green adsorbent for the removal of metal, pharmaceutical an‎d dye pollutants from water sources due to its natural origin, high stability an‎d impressive adsorption capacity.

هيدروژل صمغ درخت آلبالو، آكريل‌آميد، آمونيوم پر‌سولفات، متيلن‌بيس‌آكريل‌آميد، اسپيرولينا، جذب آلاينده، آموكسي‌سيلين، آبي متيلن , هيدروژل صمغ درخت آلبالو، آكريل‌آميد، آمونيوم پر‌سولفات، متيلن‌بيس‌آكريل‌آميد، اسپيرولينا، جذب آلاينده،

methylene blue , Cherry tree gum hydrogel , spirulina

Ali Sabri

Hossein Ghafuri