Lagae-Capelle Eléonore, Cognet Marine, Madhavi Srinivasan, Carboni Michaël, Meyer Daniel
ICSM, University Montpellier, CEA, CNRS, ENSCM, 30207 Marcoule, France.
School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore.
Materials (Basel). 2020 Jan 17;13(2):441. doi: 10.3390/ma13020441.
This paper reports a simple method to recycle plastic-bottle and Li-ion-battery waste in one process by forming valuable coordination polymers (metal-organic frameworks, MOFs). Poly(ethylene terephthalate) from plastic bottles was depolymerized to produce an organic ligand source (terephthalate), and Li-ion batteries were dissolved as a source of metals. By mixing both dissolution solutions together, selective precipitation of an Al-based MOF, known as MIL-53 in the literature, was observed. This material can be recovered in large quantities from waste and presents similar properties of purity and porosity to as-synthesis MIL-53. This work illustrates the opportunity to form hybrid porous materials by combining different waste streams, laying the foundations for an achievable integrated circular economy from different waste cycle treatments (for batteries and plastics).
本文报道了一种简单的方法，通过形成有价值的配位聚合物（金属有机框架，MOFs），在一个过程中回收塑料瓶和锂离子电池废料。将塑料瓶中的聚对苯二甲酸乙二酯解聚以产生有机配体源（对苯二甲酸酯），并将锂离子电池溶解作为金属源。通过将两种溶解溶液混合在一起，观察到一种基于铝的MOF（文献中称为MIL-53）的选择性沉淀。这种材料可以从废料中大量回收，并且具有与合成的MIL-53相似的纯度和孔隙率特性。这项工作说明了通过组合不同废物流来形成混合多孔材料的机会，为从不同废物循环处理（用于电池和塑料）实现综合循环经济奠定了基础。
