农业残留物转化为有价值产品:循环生物经济方法。

4区 工程技术 Q2 Biochemistry, Genetics and Molecular Biology
Stefan Shilev, Ivelina Neykova, Slaveya Petrova
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引用次数: 0

摘要

集约化农业生产每年产生大量的废弃物,使土壤耗竭,积累农药和矿质肥料。虽然免耕技术的引入涉及到减少耕作,将大部分植物残茬留在田间和减少施肥,但全球作物残茬估计每年为28亿吨。它们可以通过与循环生物经济概念相结合的几种方法成功地加以利用。因此,停止现有的恶性循环:挖掘化石燃料等大部分原始材料,大量使用化肥,增加或恢复生物多样性,将二氧化碳捕获到土壤中,提高有机含量,拥有更清洁的地下水、土壤和作物生产,最终提高生活质量。将这些残留物转化为增值产品面临各种技术和商业化困难,限制了它们的更充分利用。在本章中,我们的目标是描述欧盟农业残留物的生产,并介绍它们的特性和生物增值技术。此外,还讨论了与农业残留物中微塑料和纳米塑料含量相关的潜在风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Valorization of Agricultural Residues to Valuable Products: A Circular Bioeconomy Approach.

Intensive agricultural production generates a lot of residues yearly, exhausting and depleting the soils and accumulating pesticides and mineral fertilizers. Although introducing the no-till technologies is related to the reduction of tillage, leaving most of the plant residues on the field and decreasing fertigation, the global crop residues are estimated to be 2800 million tons per year. They could be successfully utilized via several approaches integrated into the circular bioeconomy concept. Thus, stopping the existing vicious circle of digging most of the primary materials such as fossil fuels, the vast application of chemical fertilizers, gaining increased or restored biodiversity, capturing CO2 into the soils and enhancing the organic content, having cleaner underground waters, soils and crop production, and finally improved quality of life. The transformation of these residues into value-added products faces various technological and commercialization difficulties that limit their fuller utilization. In the present chapter, we aim to describe the production of agricultural residues in the EU and present their properties and technologies for biological valorization. In addition, the potential risks associated with the micro- and nano-plastics content of agricultural residues are discussed.

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来源期刊
Advances in biochemical engineering/biotechnology
Advances in biochemical engineering/biotechnology 工程技术-生物工程与应用微生物
CiteScore
5.70
自引率
0.00%
发文量
29
期刊介绍: Advances in Biochemical Engineering/Biotechnology reviews actual trends in modern biotechnology. Its aim is to cover all aspects of this interdisciplinary technology where knowledge, methods and expertise are required for chemistry, biochemistry, microbiology, genetics, chemical engineering and computer science. Special volumes are dedicated to selected topics which focus on new biotechnological products and new processes for their synthesis and purification. They give the state-of-the-art of a topic in a comprehensive way thus being a valuable source for the next 3 - 5 years. It also discusses new discoveries and applications.
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