Biofilm application for anaerobic digestion: a systematic review and an industrial scale case

IF 6.1 1区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Biotechnology for Biofuels Pub Date : 2024-12-18 DOI:10.1186/s13068-024-02592-4

Getachew Birhanu Abera, Erik Trømborg, Linn Solli, Juline M. Walter, Radziah Wahid, Espen Govasmark, Svein Jarle Horn, Nabin Aryal, Lu Feng

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Abstract

Biofilm is a syntrophic community of microorganisms enveloped by extracellular polymeric substances and displays remarkable adaptability to dynamic environments. Implementing biofilm in anaerobic digestion has been widely investigated and applied as it promotes microbial retention time and enhances the efficiency. Previous studies on anaerobic biofilm primarily focused on application in wastewater treatment, while its role has been significantly extended to accelerate the degradation of lignocellulosic biomass, improve gas–liquid mass transfer for biogas upgrading, or enhance resistance to inhibitors or toxic pollutants. This work comprehensively reviewed the current applications of biofilm in anaerobic digestion and focused on impacting factors, optimization strategies, reactor set-up, and microbial communities. Moreover, a full-scale biofilm reactor case from Norway is also reported. This review provides a state of-the- art insight on the role of biofilm in anaerobic digestion.

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生物膜在厌氧消化中的应用：系统综述和工业规模案例

生物膜是一种胞外聚合物质包裹的微生物共生群落，对动态环境具有显著的适应性。在厌氧消化中应用生物膜可延长微生物滞留时间，提高效率，因此得到了广泛的研究和应用。以往对厌氧生物膜的研究主要集中在废水处理方面，而其作用已经大大扩展到加速木质纤维素生物质的降解，改善沼气升级的气液传质，或增强对抑制剂或有毒污染物的抗性。本文综述了生物膜在厌氧消化中的应用现状，重点介绍了影响因素、优化策略、反应器设置和微生物群落。此外，还报道了挪威的一个全尺寸生物膜反应器病例。本文综述了生物膜在厌氧消化中的作用。图形抽象

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来源期刊

Biotechnology for Biofuels 工程技术-生物工程与应用微生物

自引率

0.00%

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审稿时长

2.7 months

期刊介绍： Biotechnology for Biofuels is an open access peer-reviewed journal featuring high-quality studies describing technological and operational advances in the production of biofuels, chemicals and other bioproducts. The journal emphasizes understanding and advancing the application of biotechnology and synergistic operations to improve plants and biological conversion systems for the biological production of these products from biomass, intermediates derived from biomass, or CO2, as well as upstream or downstream operations that are integral to biological conversion of biomass. Biotechnology for Biofuels focuses on the following areas: • Development of terrestrial plant feedstocks • Development of algal feedstocks • Biomass pretreatment, fractionation and extraction for biological conversion • Enzyme engineering, production and analysis • Bacterial genetics, physiology and metabolic engineering • Fungal/yeast genetics, physiology and metabolic engineering • Fermentation, biocatalytic conversion and reaction dynamics • Biological production of chemicals and bioproducts from biomass • Anaerobic digestion, biohydrogen and bioelectricity • Bioprocess integration, techno-economic analysis, modelling and policy • Life cycle assessment and environmental impact analysis