NDLI: Submerged membrane filtration process coupled with powdered activated carbon for nonylphenol ethoxylates removal

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Submerged membrane filtration process coupled with powdered activated carbon for nonylphenol ethoxylates removal

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Phuoc-Dan Nguyen Thi-Minh-Tam Le Thi-Kim-Quyen Vo Phuong-Thao Nguyen Thi-Dieu-Hien Vo Bao-Trong Dang Nguyen-Thanh Son Dinh Duc Nguyen Xuan-Thanh Bui
Abstract	A combination of a submerged membrane filtration system and powdered activated carbon (PAC) was investigated for nonylphenol ethoxylates removal. Both filtration flux and initial powdered activated carbon dosage had significant effects on the micropollutants removal efficiency. The best performance was achieved under the filtration flux of 20 L/m2.h and the initial powdered activated carbon of 50 mg/L. The removal efficiencies of nonylphenol ethoxylates was obtained at 75±5% in the first 60 hours, and then decreased at 55±7% and 23±11% in the following hours, respectively. As observed, over 65% of dissolved organic carbon mass adsorbed into powdered activated carbon that was suspended in the bulk phase, and the remainder was adsorbed into powdered activated carbon that deposited on the membrane surface. It reveals that the combination between submerged membrane filtration and PAC could be an effective solution for enhancing removal of micropollutants from water. HIGHLIGHTS Continuous microfiltration coupled with PAC effectively removed nonylphenol ethoxylate.; 75±5% of nonylphenol ethoxylate was rejected after 60 hours of operation.; Removal efficiencies of dissolved organic carbon could reach 53±4%.; Over 65% of dissolved organic carbon mass adsorbed into powder activated carbon.;
Related Links	http://wst.iwaponline.com/content/84/7/1793
ISSN	02731223
e-ISSN	19969732
DOI	10.2166/wst.2021.380
Journal	Water Science and Technology
Issue Number	7
Volume Number	84
Language	English
Publisher	IWA Publishing
Publisher Date	2021-01-01
Publisher Place	United Kingdom
Access Restriction	Open
Subject Keyword	Environmental technology. Sanitary engineering Adsorption Hybrid Microfiltration Membrane Nonylphenol Ethoxylates Organic Micropollutants Powdered Activated Carbon Wastewater
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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