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논문 기본 정보

자료유형
학술저널
저자정보
Zhihua Sun (Tianjin Key Laboratory of Aquatic Science and Technology) Lei Gao (Tianjin Key Laboratory of Aquatic Science and Technology) Dong Wang (Tianjin Key Laboratory of Aquatic Science and Technology) Lingjie Liu (Tianjin Key Laboratory of Aquatic Science and Technology) Chensheng Qiu (Tianjin Key Laboratory of Aquatic Science and Technology) Shaopo Wang (Tianjin Key Laboratory of Aquatic Science and Technology)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제29권 제5호
발행연도
2024.10
수록면
34 - 45 (12page)

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Membrane fouling caused by effluent organic matter (EfOM) limits its further application in wastewater reuse. In this study, the effect of UV/chlorine pretreatment on membrane fouling was investigated in treating secondary effluent by ultrafiltration (UF) process. The relation between organic matter changes and fouling alleviation after UV/chlorine pretreatment was also studied according to the molecular weight (MW) changes in various resin fractions derived from EfOM. Results showed that UV/chlorine pretreatment effectively alleviated irreversible fouling, whereas chlorine pre-oxidation primarily mitigated reversible fouling. UV/chlorine pre-oxidation reduced 18% of reversible membrane fouling and 38% of irreversible membrane fouling at a chlorine dosage of 8 mg/L, indicating better performance in membrane fouling mitigation than chlorine pre-oxidation. UV/chlorine pre-oxidation also decreased dissolved organic matter in the UF permeate. The hydrophobic acidic (HPO-A) fraction caused dominant membrane fouling, while the hydrophilic (HPI) fraction contained most of high MW organic matter. Pre-oxidation changed the polarity of organic matter in the HPO-A fraction and decomposed the organics of high MW in the HPI fraction, which alleviated membrane fouling. These results showed that UV/chlorine pre-oxidation was a prospective pretreatment process prior to UF in wastewater reclamation.
#Fractionation #Membrane fouling #Molecular weight #Pre-oxidation #Ultrafiltration #UV/chlorine

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Result and Discussions
4. Conclusions
References

참고문헌 (50)

참고문헌 신청
Nguyen TG, Huynh NTH. Evaluating surface water quality using indexes of water quality and plankton diversity. Civ. Eng. J. 2023;9(5):1187-1202. https://doi.org/10.28991/CEJ-2023-09-05-011. google schola Nguyen GT, Diem MLT, Huynh NTH. Pollution and risk level assessment of pollutants in surface water bodies. Civ. Eng. J. 2023;9(8):1851-1862. https://doi.org/10.28991/CEJ-2023-09-08-03. google schola Panagopoulos A. Process simulation and analysis of high-pressure reverse osmosis (HPRO) in the treatment and utilization of desalination brine (saline wastewater). Int. J. Energy Res. 2022;46(15):23083-23094. https://doi.org/10.1002/er.8607. google schola Panagopoulos A, Giannika V. Decarbonized and circular brine management/valorization for water & valuable resource recovery via minimal/zero liquid discharge (MLD/ZLD) strategies. J. Environ. Manage. 2022;324:116239. https://doi.org/10.1016/j.jenvman.2022.116239. google schola Panagopoulos A. Process simulation and techno-economic assessment of a zero liquid discharge/multi-effect desalination/thermal vapor compression (ZLD/MED/TVC) system. Int. J. Energy Res. 2020;44(1):473-495. https://doi.org/10.1002/er.4948. google schola

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