The present study focuses on the adsorption of disperse blue 56 dyes on the surface of ZnO-magnetic/ZSM-5 as an effective and novel adsorbent with high adsorption capacity and magnetic separation capability. The best conditions to optimize the dye removal were obtained at adsorbent dosage 0.015 g, pH 3, stirring time 15 min and initial dye concentration 10⁻⁵ M to get a maximum removal percentage (>91.0 %). The magnetization saturation value of ZnO-magnetic/ZSM-5 adsorbent is 3.2 emu/g that indicating great potential for application in magnetically separation technologies. In application point of view, it was found to act as an efficient recoverable adsorbent. The results are shown that ZnO-magnetic/ZSM-5 could be reusable 3 times without significant reduction of adsorbent activity (yield of removal >) and no obvious decreases of magnetic intensity. Kinetic and isotherm models of disperse blue 56 can be well examined using the pseudo first-order model and the Freundlich isotherm based on high R² (0.980) and R² (0.989), respectively. The maximum adsorption capacity of disperse blue 56 obtained based on the Langmuir model was 6.23 mg g^-1. Values of Freundlich isotherm parameters (n = 2.185 and K_f = 3.300 mg/g) demonstrated that the adsorption process was a normal absorption and favourable.

本研究集中于分散的蓝色56染料在ZnO-magnetic / ZSM-5表面的吸附，作为一种有效的新型吸附剂，具有高吸附能力和磁分离能力。在0.015 g的吸附剂量，pH 3，搅拌时间15分钟和初始染料浓度10 ^-5的条件下获得了优化染料去除的最佳条件。M以获得最大去除率（> 91.0％）。ZnO-磁性/ ZSM-5吸附剂的磁化饱和度值为3.2 emu / g，表明在磁分离技术中有很大的应用潜力。从应用的角度来看，发现它可作为一种有效的可回收吸附剂。结果表明，ZnO-magnetic / ZSM-5可以重复使用3次，而吸附活性没有显着降低（去除率>），并且磁强度没有明显降低。可以分别使用伪一阶模型和基于高R ²（0.980）和R ²（0.989）的Freundlich等温线很好地检查分散蓝56的动力学和等温线模型。根据Langmuir模型获得的分散蓝56的最大吸附容量为6.23 mg g^-1。Freundlich等温线参数的值（n = 2.185，K _f = 3.300 mg / g）表明，吸附过程是正常吸收且有利。