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Description: Book cover
Impact of Membranes on Refractory Dissolved Organic Nitrogen
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Description: Book cover
Impact of Membranes on Refractory Dissolved Organic Nitrogen

Impact of Membranes on Refractory Dissolved Organic Nitrogen

Impact of Membranes on Refractory Dissolved Organic Nitrogen

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Description: Book cover
Impact of Membranes on Refractory Dissolved Organic Nitrogen
Abstract
This 800-day study assesses the impact of membranes, anaerobic hydraulic retention time (HRT), and feed characteristics on effluent dissolved organic nitrogen (DON) from four different biological nutrient removal systems, a patented MBR (PMBR), a conventional A2O, a UCT MBR (UMBR) and modified PMBR with two different feeds: synthetic wastewater and municipal wastewater at three different anaerobic HRTs. The major findings were that PMBR achieved 0.3 mg/L lower DON than the A2O system due to membrane blockage. The reduction by membranes accounted for 27% of the DON in the membrane tank. The effluent DON exhibited a cyclical pattern similar to soluble microbial products. However, DON was more affected by the feed characteristics than other operational conditions i.e. anaerobic HRTs of 1.3–1.8 hr, total system HRTs of 6–8 hr and denitrification capacity.
This 800-day study assesses the impact of membranes, anaerobic hydraulic retention time (HRT), and feed characteristics on effluent dissolved organic nitrogen (DON) from four different biological nutrient removal systems, a patented MBR (PMBR), a conventional A2O, a UCT MBR (UMBR) and modified PMBR with two different feeds: synthetic wastewater and municipal wastewater at three different anaerobic...
Author(s)
MinGu KimGeorge Nakhla
SourceProceedings of the Water Environment Federation
SubjectSession 16 - Organic Nitrogen
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Jan, 2009
ISSN1938-6478
SICI1938-6478(20090101)2009:4L.1140;1-
DOI10.2175/193864709793901095
Volume / Issue2009 / 4
Content sourceNutrient Removal and Recovery Symposium
First / last page(s)1140 - 1149
Copyright2009
Word count140

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Description: Book cover
Impact of Membranes on Refractory Dissolved Organic Nitrogen
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Description: Book cover
Impact of Membranes on Refractory Dissolved Organic Nitrogen
Abstract
This 800-day study assesses the impact of membranes, anaerobic hydraulic retention time (HRT), and feed characteristics on effluent dissolved organic nitrogen (DON) from four different biological nutrient removal systems, a patented MBR (PMBR), a conventional A2O, a UCT MBR (UMBR) and modified PMBR with two different feeds: synthetic wastewater and municipal wastewater at three different anaerobic HRTs. The major findings were that PMBR achieved 0.3 mg/L lower DON than the A2O system due to membrane blockage. The reduction by membranes accounted for 27% of the DON in the membrane tank. The effluent DON exhibited a cyclical pattern similar to soluble microbial products. However, DON was more affected by the feed characteristics than other operational conditions i.e. anaerobic HRTs of 1.3–1.8 hr, total system HRTs of 6–8 hr and denitrification capacity.
This 800-day study assesses the impact of membranes, anaerobic hydraulic retention time (HRT), and feed characteristics on effluent dissolved organic nitrogen (DON) from four different biological nutrient removal systems, a patented MBR (PMBR), a conventional A2O, a UCT MBR (UMBR) and modified PMBR with two different feeds: synthetic wastewater and municipal wastewater at three different anaerobic...
Author(s)
MinGu KimGeorge Nakhla
SourceProceedings of the Water Environment Federation
SubjectSession 16 - Organic Nitrogen
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Jan, 2009
ISSN1938-6478
SICI1938-6478(20090101)2009:4L.1140;1-
DOI10.2175/193864709793901095
Volume / Issue2009 / 4
Content sourceNutrient Removal and Recovery Symposium
First / last page(s)1140 - 1149
Copyright2009
Word count140

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MinGu Kim# George Nakhla. Impact of Membranes on Refractory Dissolved Organic Nitrogen. Alexandria, VA 22314-1994, USA: Water Environment Federation, 2018. Web. 1 Oct. 2025. <https://www.accesswater.org?id=-296791CITANCHOR>.
MinGu Kim# George Nakhla. Impact of Membranes on Refractory Dissolved Organic Nitrogen. Alexandria, VA 22314-1994, USA: Water Environment Federation, 2018. Accessed October 1, 2025. https://www.accesswater.org/?id=-296791CITANCHOR.
MinGu Kim# George Nakhla
Impact of Membranes on Refractory Dissolved Organic Nitrogen
Access Water
Water Environment Federation
December 22, 2018
October 1, 2025
https://www.accesswater.org/?id=-296791CITANCHOR