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 po...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.展开更多
基金National Natural Science Foundation of China(Nos.52022015,52021004)Natural Science Foundation of Chongqing(Nos.CSTB2023NSCQ-JQX0005,cstc2021ycjh-bgzxm0160)Fundamental Research Funds for the Central Universities(No.2022ZFJH04).
文摘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.