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Study on the performance of a PMP hollow fiber membrane module-based
membrane aerated biofilm reactor

Authors： LI Wenjun, ZHOU Yue, HU Hongjun, WANG Zhaohui, WANG Xiaozu, CUI Chaoliang

Units： 1. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China； 2. National Engineering Research Center for Special Separation Membrane, Nanjing Tech University, Nanjing 211816, China

KeyWords： membrane aerated biofilm reactor; poly(4-methyl-1-pentene); hollow fiber membrane; operating conditions

ClassificationCode：TQ330.9

year,volume(issue):pagination： 2025,45(6):138-147

Abstract：

This study characterized the performance of four different poly(4-methyl-1-pentene) (PMP) hollow fiber membranes, including gas flux, bubble point and tensile strength, and conducted biofilm colonization experiments. The M4 hollow fiber membrane module, which demonstrated the maximum oxygen flux and favorable biofilm growth was selected. Subsequent experiments investigated the effects of various process parameters on the treatment performance of this module. Subsequently, the influences of packing density, aeration pressure and HRT on the MABR treatment performance were systematically examined. The results indicated that under optimal conditions - a packing density of 100 m2/m3, an aeration pressure of 40 kPa, and an HRT of 10 h - the system achieved peak treatment efficiency, with handling capacity of 11 g COD/(m2·d) and 0.72 g NH+4-N/(m2·d).

Funds：

国家自然科学基金（22078146）

AuthorIntro：

李文俊（2001-），男，江西抚州人，硕士研究生，主要研究方向为材料与化工.

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