Bio-upcycling of multilayer materials and blends: closing the plastics loop

被引：16
作者：
Pellis, Alessandro [1 ]
Guebitz, Georg M. [2 ,3 ]
Ribitsch, Doris [2 ,3 ]
机构：
[1] Univ Genoa, Dept Chem & Ind Chem, Via Dodecaneso 31, I-16146 Genoa, Italy
[2] Austrian Ctr Ind Biotechnol, ACIB, Krenngasse 37, A-8010 Graz, Austria
[3] Univ Nat Resources & Life Sci Vienna, Inst Environm Biotechnol, Dept Agrobiotechnol, IFA Tulln, A-1180 Vienna, Austria
来源：
CURRENT OPINION IN BIOTECHNOLOGY | 2023年 / 81卷
基金：
欧盟地平线“2020”;
关键词：
POLYETHYLENE TEREPHTHALATE; POLY(ETHYLENE-TEREPHTHALATE); HYDROLYSIS; PET; ACID; CONVERSION; HYDROLASE; ENZYMES;
D O I：
10.1016/j.copbio.2023.102938
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
The urge to discover and develop new technologies for closing the plastic carbon cycle is motivating industries, governments, and academia to work closely together to find suitable solutions in a timely manner. In this review article, a combination of uprising breakthrough technologies is presented highlighting their potential and complementarity to be integrated one with the other, therefore providing a potential solution to efficiently solve the plastics problem. First, modern approaches for bioexploration and engineering of polymer-active enzymes are presented to degrade polymers into valuable building blocks. Special focus is placed on the recovery of components from multilayered materials since these complex materials can only be recycled insufficiently or not at all by existing technologies. Then, the potential of microbes and enzymes for resynthesis of polymers and reuse of building blocks is summarized and discussed. Finally, examples for improvement of the bio-based content and enzymatic degradability and future perspectives are given.
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页数：7
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