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241215s2024 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2024.367
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|a pubmed25n1271.xml
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|a (NLM)39673313
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|a DE-627
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|a eng
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|a Watkins, Jacob Dean
|e verfasserin
|4 aut
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|a Factorial experiment to identify two-way interactions between temperature, harvesting period, hydraulic retention time, and light intensity that influence the biomass productivity and phosphorus removal efficiency of a microalgae-bacteria biofilm
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|c 2024
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|a Text
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|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 14.12.2024
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|a Date Revised 14.12.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (CC BY 4.0), which permits copying, adaptation and redistribution, provided the original work is properly cited (http://creativecommons.org/licenses/by/4.0/).
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|a Rotating algae biofilm reactors (RABRs) can reduce energy requirements for wastewater reclamation but require further optimization for implementation at water resource recovery facilities (WRRF). Optimizing RABR operation is challenging because conditions at WRRF change frequently, and disregarding interaction terms related to these changes can produce incorrect conclusions about RABR behavior. This study evaluated the two-way interaction and main effects of four factors on the biomass productivity and phosphorus removal efficiency of a microalgae-bacteria biofilm grown in municipal anaerobic digester centrate, with factor levels and operating conditions selected to mimic a pilot RABR at a WRRF in Utah. Two-way interactions harvesting period*light intensity (LI), harvesting period*temperature, and LI*hydraulic retention time (HRT) had significant effects on biomass productivity: at high temperature and low LI, highest biomass productivity was achieved with a 14-day harvesting period, but at medium temperature and high LI, highest biomass productivity was achieved with a 7-day harvesting period. At high HRT, highest biomass productivity occurred at low LI, but at low HRT, highest biomass productivity occurred at high LI. Phosphorus removal was strongly influenced by LI and occurred most rapidly during the first 2 days HRT, which suggests precipitation contributed significantly to phosphorus removal. These observations provide insight for further RABR optimization
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|a Journal Article
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|a harvesting period
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|a hydraulic retention time
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|a interaction effects
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|a light intensity
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|a rotating algae biofilm reactor
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|a temperature
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|a Phosphorus
|2 NLM
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|a 27YLU75U4W
|2 NLM
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|a Lords, Clayton Jack
|e verfasserin
|4 aut
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|a Bradley, Abiela Meek
|e verfasserin
|4 aut
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|a Cutler, David Richard
|e verfasserin
|4 aut
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|a Sims, Ronald Charles
|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 90(2024), 11 vom: 14. Dez., Seite 2961-2977
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
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|g volume:90
|g year:2024
|g number:11
|g day:14
|g month:12
|g pages:2961-2977
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|u http://dx.doi.org/10.2166/wst.2024.367
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