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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/wer.1554
|2 doi
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|a pubmed25n1075.xml
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|a (DE-627)NLM322720346
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|a (NLM)33715232
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Katam, Keerthi
|e verfasserin
|4 aut
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|a Start-up of a trickling photobioreactor for the treatment of domestic wastewater
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|c 2021
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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 08.09.2021
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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 © 2021 Water Environment Federation.
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|a A stand-alone trickling photobioreactor (TPBR) was seeded with activated sludge and microalgae to treat domestic wastewater. The TPBR was started-up at 12-h hydraulic retention time at room temperature with 12:12 h light:dark cycle. The light was provided by blue LED strips. The reactor has a total volume of 30 L and is divided into six segments. Each segment is 30 cm long and has a diameter of 15 cm. Each segment was packed with polyurethane foam sponge cubes (2.5 × 2.5 × 2.5 cm3 ) with 40% occupancy. The chemical oxygen demand (COD), total organic carbon (TOC), total nitrogen (TN), and phosphorus (P) of domestic wastewater varied in the range of 164-256 mg/L, 84.4-133.8 mg/L, 34.2-55.6 mg/L, and 24.7-39.3 mg/L, respectively, during this period. The COD, TOC, TN, and P concentrations in the effluent after 45 days of operation were 30.24 ± 3.36 mg/L, 7.69 ± 0.09 mg/L, 16.67 ± 0.39 mg/L, and 17.48 ± 0.5 mg/L, respectively. The chlorophyll-to-biofilm biomass ratio increased during the experimental period. The above results indicate that the algal-bacterial symbiotic relationship is beneficial for carbon and nutrient removal from domestic wastewater. PRACTITIONER POINTS: Trickling photobioreactor works on natural ventilation and has low power requirements and a small footprint. The porous sponge media helped in immobilizing and subsequent harvesting of biomass. The reactor conditions favored the growth of diatoms (brown algae) over green algae
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|a Journal Article
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|a activated sludge
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|a algae
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|a nitrogen removal
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|a photobioreactor
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|a wastewater treatment
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|a Sewage
|2 NLM
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|a Waste Water
|2 NLM
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|a Phosphorus
|2 NLM
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|a 27YLU75U4W
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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| 700 |
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|a Tiwari, Yashendra
|e verfasserin
|4 aut
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|a Shimizu, Toshiyuki
|e verfasserin
|4 aut
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|a Soda, Satoshi
|e verfasserin
|4 aut
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|a Bhattacharyya, Debraj
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 93(2021), 9 vom: 01. Sept., Seite 1690-1699
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnas
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|g volume:93
|g year:2021
|g number:9
|g day:01
|g month:09
|g pages:1690-1699
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|u http://dx.doi.org/10.1002/wer.1554
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