The low cost of adsorption treatment of heavy metal ions in water has been extensively studied. In this paper, we have demonstrated a facile method of combining two emerging materials cellulose aerogels (CA) and metal–organic frameworks (MOFs) into one highly functional aerogel to adsorption removal of heavy metal ions from water, by entrapping MOF particles into a flexible and porous CA. The resultant hybrid cellulose aerogels had a highly porous structure with zeolitic imidazolate framework-8 (ZIF-8) loadings can reach 30 wt%. The hybrid cellulose aerogels (named as ZIF-8@CA) show good adsorption capacity for Cr(Ⅵ). The adsorption process of ZIF-8@CA is better described by pseudo-second-order kinetic model and Langmuir isotherm, with maximum monolayer adsorption capacity of 41.8 mg/g for Cr(Ⅵ), whose adsorption capacity has greatly improved when compared with a single CA or ZIF-8. Thus, such a flexible and durable hybrid cellulose aerogel is a very prospective material for metal ions cleanup and industrial wastewater purification.

吸附处理水中重金属离子的低成本已得到广泛研究。在本文中，我们展示了一种简便的方法，将两种新兴材料纤维素气凝胶（CA）和金属有机骨架（MOF）组合到一个功能强大的气凝胶中，通过将MOF颗粒截留在柔性材料中来吸附去除水中的重金属离子。和多孔CA。所得的杂化纤维素气凝胶具有高度多孔的结构，沸石咪唑盐骨架8（ZIF-8）的负载量可达到30 wt％。杂化纤维素气凝胶（ZIF-8 @ CA）对Cr（Ⅵ）具有良好的吸附能力。ZIF-8 @ CA的吸附过程用伪二级动力学模型和Langmuir等温线更好地描述了该元素，对Cr（Ⅵ）的最大单层吸附容量为41.8 mg / g，与单个CA或ZIF-8相比，其吸附容量大大提高。因此，这种柔性和耐用的混合纤维素气凝胶是用于金属离子净化和工业废水净化的非常有前途的材料。