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One of the primary sources of water pollution is the wastewater released from textile industry. In the current research, green magnetized ferrite biochar nanocomposites for the purification of basic dye Blue-XGRRL were prepared and characterized. The optimal pH values to attain maximum adsorption for orange peels/MnFe₂O₄, peanut shells/CuFe₂O₄, tree twigs/Ni Fe₂O₄, and wood/CoFe₂O₄ were noticed in the basic range of 11 (43.5 mg/g), 10 (37.8 mg/g), 10 (31.9 mg/g), and 10 (14.9 mg/g) at 0.05 g/0.05 L at optimal adsorbent dosage correspondingly. The equilibrium observed within 60 min in order of 45.7, 39.9, 33.9, and 18.9 mg/g for adsorbents. The optimal initial dye concentration 100 mg/L was determined for 46.8, 41.4, 37, and 25 mg/g of dye removal utilizing their corresponding adsorbing material at optimal temperature of 30 °C. The data adhered to Langmuir equilibrium and pseudo-second-order kinetic models. Positive Gibbs free energy values led to the conclusion that the process lacks spontaneity. For Blue-XGRRL dye, the maximum desorption (45.4, 41.9, 36.3, and 23.9%) was achieved. For the first two cycles, the removal efficiencies were constant and then marginally declined in third cycle. These green nanocomposites hold promise for effective adsorption in water treatment, signifying their potential as impactful and sustainable solutions.

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水污染的主要来源之一是纺织工业排放的废水。在目前的研究中，制备并表征了用于纯化碱性染料Blue-XGRRL的绿色磁化铁氧体生物炭纳米复合材料。_{橘子皮/MnFe 2} O ₄、花生壳/CuFe ₂ O ₄、树枝/Ni Fe ₂ O ₄和木材/CoFe ₂ O ₄获得最大吸附的最佳pH值在11的基本范围内（ 0.05 g/0.05 L 最佳吸附剂用量下分别为 43.5 mg/g)、10 (37.8 mg/g)、10 (31.9 mg/g) 和 10 (14.9 mg/g)。60 分钟内观察到的平衡吸附剂浓度依次为 45.7、39.9、33.9 和 18.9 mg/g。在 30 °C 的最佳温度下，利用相应的吸附材料确定了 100 mg/L 的最佳初始染料浓度，可实现 46.8、41.4、37 和 25 mg/g 的染料去除。数据遵循朗缪尔平衡和伪二级动力学模型。正吉布斯自由能值得出的结论是该过程缺乏自发性。对于 Blue-XGRRL 染料，实现了最大解吸附（45.4、41.9、36.3 和 23.9%）。对于前两个周期，去除效率保持不变，然后在第三个周期中略有下降。这些绿色纳米复合材料有望在水处理中实现有效吸附，这表明它们作为有效且可持续的解决方案的潜力。