Mass transfer in heterogeneous biofilms: Key issues in biofilm reactors and AI-driven performance prediction

IF 14 1区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Environmental Science and Ecotechnology Pub Date : 2024-08-29 DOI:10.1016/j.ese.2024.100480

Huize Chen , Ao Xia , Huchao Yan , Yun Huang , Xianqing Zhu , Xun Zhu , Qiang Liao

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Abstract

Biofilm reactors, known for utilizing biofilm formation for cell immobilization, offer enhanced biomass concentration and operational stability over traditional planktonic systems. However, the dense nature of biofilms poses challenges for substrate accessibility to cells and the efficient release of products, making mass transfer efficiency a critical issue in these systems. Recent advancements have unveiled the intricate, heterogeneous architecture of biofilms, contradicting the earlier view of them as uniform, porous structures with consistent mass transfer properties. In this review, we explore six biofilm reactor configurations and their potential combinations, emphasizing how the spatial arrangement of biofilms within reactors influences mass transfer efficiency and overall reactor performance. Furthermore, we discuss how to apply artificial intelligence in processing biofilm measurement data and predicting reactor performance. This review highlights the role of biofilm reactors in environmental and energy sectors, paving the way for future innovations in biofilm-based technologies and their broader applications.

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异质生物膜中的传质：生物膜反应器的关键问题和人工智能驱动的性能预测

众所周知，生物膜反应器利用生物膜的形成来固定细胞，与传统的浮游生物系统相比，生物膜反应器具有更高的生物量浓度和运行稳定性。然而，生物膜的致密性给细胞获得基质和高效释放产物带来了挑战，使传质效率成为这些系统的关键问题。最近的研究进展揭示了生物膜错综复杂的异质结构，这与之前认为生物膜是具有一致传质特性的均匀多孔结构的观点相矛盾。在这篇综述中，我们探讨了六种生物膜反应器配置及其潜在组合，强调了反应器内生物膜的空间排列如何影响传质效率和反应器的整体性能。此外，我们还讨论了如何应用人工智能处理生物膜测量数据和预测反应器性能。本综述强调了生物膜反应器在环境和能源领域的作用，为未来基于生物膜的技术创新及其更广泛的应用铺平了道路。

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来源期刊

Environmental Science and Ecotechnology Multiple-

CiteScore

20.40

自引率

6.30%

发文量

审稿时长

18 days

期刊介绍： Environmental Science & Ecotechnology (ESE) is an international, open-access journal publishing original research in environmental science, engineering, ecotechnology, and related fields. Authors publishing in ESE can immediately, permanently, and freely share their work. They have license options and retain copyright. Published by Elsevier, ESE is co-organized by the Chinese Society for Environmental Sciences, Harbin Institute of Technology, and the Chinese Research Academy of Environmental Sciences, under the supervision of the China Association for Science and Technology.