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Resource mining from stainless steel pickling wastewater to produce metal-organic frameworks
Resources, Conservation and Recycling ( IF 13.2 ) Pub Date : 2022-09-15 , DOI: 10.1016/j.resconrec.2022.106647
Xudong Zhao, Chengwei Zhang, Baosheng Liu, Huifang Zhao, Xinli Gao, Yuanyang Wang, Yuezhong Zhang, Dahuan Liu, Chong-Chen Wang

Metal-organic frameworks (MOFs) exhibit large potential in many fields while the high cost limits their large-scale use. Herein, stainless steel pickling wastewater was successfully transformed to Fe/Cr-MIL-100, during which Ni2+ was largely purified. As an integration of metal, solvent and acid modifier, the use of the wastewater simplifies the preparation units and reduces the cost of MOFs. Conversion of the pickling wastewater to MOFs is feasible under wide reaction conditions and is not interfered by discharge batch of the wastewater. The obtained MIL-100 s products exhibit excellent porosity, long-term acid/base stability, and large adsorption capacities for methylene blue, moxifloxacin hydrochloride, and zirconium (IV) ion. Thus, our work provides a new insight for effective reuse of industrial wastewater and a feasible method for reducing MOFs cost.



中文翻译:

从不锈钢酸洗废水中资源开采生产金属有机骨架

金属有机框架(MOF)在许多领域都表现出巨大的潜力,而高成本限制了它们的大规模使用。在此,不锈钢酸洗废水成功转化为Fe/Cr-MIL-100,在此过程中Ni 2+基本上被净化了。作为金属、溶剂和酸改性剂的综合体,废水的使用简化了制备单元,降低了MOFs的成本。酸洗废水向 MOFs 的转化在广泛的反应条件下是可行的,并且不受废水排放批次的干扰。所获得的MIL-100 s 产品具有优异的孔隙率、长期的酸碱稳定性以及对亚甲基蓝、盐酸莫西沙星和锆(IV)离子的大吸附容量。因此,我们的工作为工业废水的有效再利用提供了新的见解,并为降低 MOFs 成本提供了一种可行的方法。

更新日期:2022-09-16
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