A novel, sustainable chitosan polymeric nanocomposite (CS-PVA@CuO) was synthesized and subjected to the removal of acid blue 25 (AB25) from the aqueous environment. The influence of different variables such as p^H, contact time, initial dye concentration, temperature, and adsorption kinetics has been examined in the batch adsorption process. The CS-PVA@CuO composite was systematically characterized by XRD, FTIR, SEM, and EDX analysis. The pseudo-first order (PFO), pseudo-second order (PSO), and intra-particle diffusion kinetics equations were used to examine the kinetic data of the adsorption process. The adsorption kinetics confirms that the PSO model was a more exact fit. Thermodynamics study typically revealed that the uptake of AB25 by the adsorbent is spontaneous and endothermic in nature. Remarkably, the results reveal the highest adsorption capacity of the CS-PVA@CuO was 171.4 mg/g at 313 K. To be specific, CS-PVA@CuO polymer nanocomposite can be effectively used as a suitable adsorbent material for the potential elimination of anionic AB25 dye from the aqueous solutions.

合成了一种新型的，可持续的壳聚糖聚合物纳米复合材料（CS-PVA @ CuO），并从水性环境中去除了酸性蓝25（AB25）。不同变量如p ^H的影响，接触时间，初始染料浓度，温度和吸附动力学已在间歇吸附过程中进行了检查。通过XRD，FTIR，SEM和EDX分析系统地表征了CS-PVA @ CuO复合材料。使用伪一级（PFO），伪二级（PSO）和颗粒内扩散动力学方程式来研究吸附过程的动力学数据。吸附动力学证实了PSO模型是更精确的拟合。热力学研究通常表明，吸附剂对AB25的吸收是自然而然的吸热。值得注意的是，该结果表明CS-PVA @ CuO在313 K时的最高吸附容量为171.4 mg / g。