Coupling of membrane-based bubbleless micro-aeration for 2,4-dinitrophenol degradation in a hydrolysis acidification reactor

Zhuowei Zhang,Hongbo Xi,Yin Yu,Changyong Wu,Yang Yang,Zhenzhen Guo,Yuexi Zhou

WATER RESEARCH（2022）

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摘要

•A membrane-based bubbleless micro-aeration coupled with HA (MBL-MHA) was exploited.•2,4-DNP degradation was improved in the MBL-MHA.•Beneficial redox microenvironments were achieved by MBL.•Nitroreduction, deamination and aromatic ring cleavage was main pathways.•More redox proteins/enzymes from rich species led to superior 2,4-DNP degradation.

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关键词

Membrane-based bubbleless micro-aeration, Counter-diffusion, Redox microenvironment, Extracellular polymeric substance (EPS), Redox protein, hydrolysis acidification (MBL-MHA) process 2, 4-dinitrophenol (2, 4-dnp)

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