Biobased de novo synthesis, upcycling, and recycling — the heartbeat toward a green and sustainable polyethylene terephthalate industry

IF 7.1 2区工程技术 Q1 BIOCHEMICAL RESEARCH METHODS

Current opinion in biotechnology Pub Date : 2024-02-29 DOI:10.1016/j.copbio.2024.103079

Fabia Weiland, Michael Kohlstedt, Christoph Wittmann

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引用次数: 0

Abstract

Polyethylene terephthalate (PET) has revolutionized the industrial sector because of its versatility, with its predominant uses in the textiles and packaging materials industries. Despite the various advantages of this polymer, its synthesis is, unfavorably, tightly intertwined with nonrenewable fossil resources. Additionally, given its widespread use, accumulating PET waste poses a significant environmental challenge. As a result, current research in the areas of biological recycling, upcycling, and de novo synthesis is intensifying. Biological recycling involves the use of micro-organisms or enzymes to breakdown PET into monomers, offering a sustainable alternative to traditional recycling. Upcycling transforms PET waste into value-added products, expanding its potential application range and promoting a circular economy. Moreover, studies of cascading biological and chemical processes driven by microbial cell factories have explored generating PET using renewable, biobased feedstocks such as lignin. These avenues of research promise to mitigate the environmental footprint of PET, underlining the importance of sustainable innovations in the industry.

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以生物为基础的新合成、升级再循环和回收利用--实现绿色和可持续聚对苯二甲酸乙二酯工业的核心动力

聚对苯二甲酸乙二醇酯（PET）因其用途广泛而在工业领域掀起了一场革命，主要用于纺织品和包装材料行业。尽管这种聚合物具有各种优点，但它的合成却与不可再生的化石资源密切相关。此外，鉴于 PET 的广泛使用，累积的 PET 废物对环境构成了重大挑战。因此，目前在生物回收、升级回收和从头合成领域的研究正在不断加强。生物回收利用包括使用微生物或酶将 PET 分解成单体，为传统回收利用提供了一种可持续的替代方法。升级再循环将 PET 废料转化为高附加值产品，扩大了其潜在应用范围，促进了循环经济的发展。此外，由微生物细胞工厂驱动的级联生物和化学过程研究也探索了利用木质素等可再生生物原料生成 PET 的方法。这些研究有望减轻 PET 对环境的影响，凸显了该行业可持续创新的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Current opinion in biotechnology 工程技术-生化研究方法

CiteScore

16.20

自引率

2.60%

发文量

226

审稿时长

4-8 weeks

期刊介绍： Current Opinion in Biotechnology (COBIOT) is renowned for publishing authoritative, comprehensive, and systematic reviews. By offering clear and readable syntheses of current advances in biotechnology, COBIOT assists specialists in staying updated on the latest developments in the field. Expert authors annotate the most noteworthy papers from the vast array of information available today, providing readers with valuable insights and saving them time. As part of the Current Opinion and Research (CO+RE) suite of journals, COBIOT is accompanied by the open-access primary research journal, Current Research in Biotechnology (CRBIOT). Leveraging the editorial excellence, high impact, and global reach of the Current Opinion legacy, CO+RE journals ensure they are widely read resources integral to scientists' workflows. COBIOT is organized into themed sections, each reviewed once a year. These themes cover various areas of biotechnology, including analytical biotechnology, plant biotechnology, food biotechnology, energy biotechnology, environmental biotechnology, systems biology, nanobiotechnology, tissue, cell, and pathway engineering, chemical biotechnology, and pharmaceutical biotechnology.