Removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant

The widespread implementation of municipal wastewater treatment and reuse must first ensure the safety of reused wastewater. The effluent of the municipal wastewater treatment plant contains a large amount of dissolved organic matter (DOM), which adversely affects the reuse of wastewater. In this st...

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Autores principales:	Jianwei Liu, Mengfei Zhao, Cui Duan, Peng Yue, Tinggang Li
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	combination process dom membrane fouling uf + ro wastewater reclamation Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/3f7f7c8a30624ce7a941a15b0d0d0e5e
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spelling	oai:doaj.org-article:3f7f7c8a30624ce7a941a15b0d0d0e5e2021-11-06T10:42:41ZRemoval characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant0273-12231996-973210.2166/wst.2020.589https://doaj.org/article/3f7f7c8a30624ce7a941a15b0d0d0e5e2021-02-01T00:00:00Zhttp://wst.iwaponline.com/content/83/3/689https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732The widespread implementation of municipal wastewater treatment and reuse must first ensure the safety of reused wastewater. The effluent of the municipal wastewater treatment plant contains a large amount of dissolved organic matter (DOM), which adversely affects the reuse of wastewater. In this study, the ultrafiltration (UF) + reverse osmosis (RO) process was used to treat the secondary effluent from wastewater treatment plants. The relationship between the removal performance, membrane fouling of the UF + RO process, and DOM removal characteristics of influent were studied. The results show that DOM can be removed effectively by UF + RO process. The UF mainly removes DOM with a molecular weight greater than 10 kDa, while RO has a significant removal effect on low-molecular-weight DOM, which mainly causes UF and RO membrane fouling. The UF + RO process has a significant removal rate on fulvic acid, humic acid, tyrosine, and tryptophan, and the order is humic acid > fulvic acid > tyrosine > tryptophan. Fulvic acid contributed the most to the UF membrane fouling, while fulvic acid and protein-like proteins contributed mainly to the RO membrane fouling.Jianwei LiuMengfei ZhaoCui DuanPeng YueTinggang LiIWA Publishingarticlecombination processdommembrane foulinguf + rowastewater reclamationEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 83, Iss 3, Pp 689-700 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	combination process dom membrane fouling uf + ro wastewater reclamation Environmental technology. Sanitary engineering TD1-1066
spellingShingle	combination process dom membrane fouling uf + ro wastewater reclamation Environmental technology. Sanitary engineering TD1-1066 Jianwei Liu Mengfei Zhao Cui Duan Peng Yue Tinggang Li Removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant
description	The widespread implementation of municipal wastewater treatment and reuse must first ensure the safety of reused wastewater. The effluent of the municipal wastewater treatment plant contains a large amount of dissolved organic matter (DOM), which adversely affects the reuse of wastewater. In this study, the ultrafiltration (UF) + reverse osmosis (RO) process was used to treat the secondary effluent from wastewater treatment plants. The relationship between the removal performance, membrane fouling of the UF + RO process, and DOM removal characteristics of influent were studied. The results show that DOM can be removed effectively by UF + RO process. The UF mainly removes DOM with a molecular weight greater than 10 kDa, while RO has a significant removal effect on low-molecular-weight DOM, which mainly causes UF and RO membrane fouling. The UF + RO process has a significant removal rate on fulvic acid, humic acid, tyrosine, and tryptophan, and the order is humic acid > fulvic acid > tyrosine > tryptophan. Fulvic acid contributed the most to the UF membrane fouling, while fulvic acid and protein-like proteins contributed mainly to the RO membrane fouling.
format	article
author	Jianwei Liu Mengfei Zhao Cui Duan Peng Yue Tinggang Li
author_facet	Jianwei Liu Mengfei Zhao Cui Duan Peng Yue Tinggang Li
author_sort	Jianwei Liu
title	Removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant
title_short	Removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant
title_full	Removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant
title_fullStr	Removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant
title_full_unstemmed	Removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant
title_sort	removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/3f7f7c8a30624ce7a941a15b0d0d0e5e
work_keys_str_mv	AT jianweiliu removalcharacteristicsofdissolvedorganicmatterandmembranefoulinginultrafiltrationandreverseosmosismembranecombinedprocessestreatingthesecondaryeffluentofwastewatertreatmentplant AT mengfeizhao removalcharacteristicsofdissolvedorganicmatterandmembranefoulinginultrafiltrationandreverseosmosismembranecombinedprocessestreatingthesecondaryeffluentofwastewatertreatmentplant AT cuiduan removalcharacteristicsofdissolvedorganicmatterandmembranefoulinginultrafiltrationandreverseosmosismembranecombinedprocessestreatingthesecondaryeffluentofwastewatertreatmentplant AT pengyue removalcharacteristicsofdissolvedorganicmatterandmembranefoulinginultrafiltrationandreverseosmosismembranecombinedprocessestreatingthesecondaryeffluentofwastewatertreatmentplant AT tinggangli removalcharacteristicsofdissolvedorganicmatterandmembranefoulinginultrafiltrationandreverseosmosismembranecombinedprocessestreatingthesecondaryeffluentofwastewatertreatmentplant
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Removal characteristics of dissolved organic matter and membrane fouling in ultrafiltration and reverse osmosis membrane combined processes treating the secondary effluent of wastewater treatment plant

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