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231225s2018 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2018.356
|2 doi
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|a pubmed24n0965.xml
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|a (NLM)30339535
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Juan-García, Pau
|e verfasserin
|4 aut
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| 245 |
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|a Dynamic air supply models add realism to the evaluation of control strategies in water resource recovery facilities
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 25.02.2019
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a This paper introduces the application of a fully dynamic air distribution model integrated with a biokinetic process model and a detailed process control model. By using a fully dynamic air distribution model, it is possible to understand the relationships between aeration equipment, control algorithms, process performance, and energy consumption, thus leading to a significantly more realistic prediction of water resource recovery facility (WRRF) performance. Consequently, this leads to an improved design of aeration control strategies and equipment. A model-based audit has been performed for the Girona WRRF with the goal of providing a more objective evaluation of energy reduction strategies. Currently, the Girona plant uses dissolved oxygen control and has been manually optimised for energy consumption. Results from a detailed integrated model show that the implementation of an ammonia-based aeration controller, a redistribution of the diffusers, and the installation of a smaller blower lead to energy savings between 12 and 21%, depending on wastewater temperature. The model supported the development of control strategies that counter the effects of current equipment limitations, such as tapered diffuser distribution, or over-sized blowers. The latter causes an intermittent aeration pattern with blowers switching on and off, increasing wear of the equipment
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|a Journal Article
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|a Waste Water
|2 NLM
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|a Ammonia
|2 NLM
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|a 7664-41-7
|2 NLM
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|a Oxygen
|2 NLM
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|a S88TT14065
|2 NLM
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| 700 |
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|a Kiser, Mehlika A
|e verfasserin
|4 aut
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|a Schraa, Oliver
|e verfasserin
|4 aut
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| 700 |
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|a Rieger, Leiv
|e verfasserin
|4 aut
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|a Corominas, Lluís
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 78(2018), 5-6 vom: 19. Okt., Seite 1104-1114
|w (DE-627)NLM098149431
|x 0273-1223
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| 773 |
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|g volume:78
|g year:2018
|g number:5-6
|g day:19
|g month:10
|g pages:1104-1114
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|u http://dx.doi.org/10.2166/wst.2018.356
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