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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2014.924565
|2 doi
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|a pubmed25n0804.xml
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|a (DE-627)NLM241480892
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|a (NLM)25176488
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Chung, Jinwook
|e verfasserin
|4 aut
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|a Organic semiconductor wastewater treatment using a four-stage Bardenpho with membrane system
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 20.03.2015
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Electronic wastewater from a semiconductor plant was treated with a pilot-scale four-stage Bardenpho process with membrane system. The system was operated over a 14-month period with an overall hydraulic retention time (HRT) ranging from 9.5 to 30 h. With a few exceptions, the pilot plant consistently treated the electronic wastewater with an average removal efficiency of chemical oxygen demand (COD) and total nitrogen of 97% and 93%, respectively, and achieving effluent quality of COD<15 mg/L, turbidity<1, and silt density index<1. Based on removal efficiencies of the pilot plant, it is possible to lower the HRT to less than 9.5 h to achieve comparable removal efficiencies. An energy-saving configuration where an internal recycle line was omitted and the biomass recycle was rerouted to the pre-anoxic tank, can reduce energy consumption by 8.6% and gave removal efficiencies that were similar to the Bardenpho process. The system achieved pre-anoxic and post-anoxic specific denitrification rate values with a 95% confidence interval of 0.091 ± 0.011 g NO₃-N/g MLVSS d and 0.087 ± 0.016 g NO₃-N/g MLVSS d, respectively. The effluent from the four-stage Bardenpho with membrane system can be paired with a reverse osmosis system to provide further treatment for reuse purposes
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|a Journal Article
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|a four-stage Bardenpho
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|a hydraulic retention time
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|a membrane
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|a semiconductor
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|a specific denitrification rate
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|a Industrial Waste
|2 NLM
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|a Membranes, Artificial
|2 NLM
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|a Waste Water
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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|a Fleege, Daniel
|e verfasserin
|4 aut
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|a Ong, Say Kee
|e verfasserin
|4 aut
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|a Lee, Yong-Woo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1998
|g 35(2014), 21-24 vom: 30. Nov., Seite 2837-45
|w (DE-627)NLM098202545
|x 0959-3330
|7 nnns
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| 773 |
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|g volume:35
|g year:2014
|g number:21-24
|g day:30
|g month:11
|g pages:2837-45
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|u http://dx.doi.org/10.1080/09593330.2014.924565
|3 Volltext
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