Performance of co-culture strategy on nutrient removal and biogas upgrading by strigolactone induction

© 2023 Water Environment Federation.

Bibliographische Detailangaben
Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 95(2023), 7 vom: 26. Juli, Seite e10907
1. Verfasser: Shu, Lixing (VerfasserIn)
Weitere Verfasser: Wang, Zhengfang, Li, Yaguang, Zheng, Zheng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article endophytic bacteria growth performance microalgae-fungi consortia multi-walled carbon nanotubes purification efficiency Biofuels Carbon Dioxide 142M471B3J Chlorophyll A mehr... YF5Q9EJC8Y GR24 strigolactone Nanotubes, Carbon Nitrogen N762921K75 Phosphorus 27YLU75U4W
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520 |a In this study, we investigated the performance and elucidated the synergistic effects of microalgae-fungi symbionts co-cultured with 10-7 and 10-9  mol L-1 of GR24 and supplemented with endophytic bacteria, multi-walled carbon nanotubes (MWCNTs) or vitamin B12 (VB12), on nutrient removal and biogas upgrading. The results showed that the microalgae-fungi-bacteria symbiotic system co-cultured with 10-9  mol L-1 GR24 presented the optimal growth performance of 0.368 ± 0.04 d-1 , chlorophyll a of 249.36 ± 22.31 μg L-1 , and extracellular carbonic anhydrase activity of 42.55 ± 3.755 enzyme units. In this co-culture system, the organic matter, nutrients, and CO2 purification obtained the highest removal efficiency, with 81.35 ± 7.96% for chemical oxygen demand, 83.56 ± 7.91% total nitrogen, 84.17 ± 7.95% total phosphorus, and 63.72 ± 6.06% CO2 . The symbiont system also greatly increased the methane content in the biogas by 30.67%. The remarkable performance of the microalgae-fungi-bacteria symbiotic system shows its ability to be broadly applied in simultaneous biogas upgrading and wastewater treatment. PRACTITIONER POINTS: The optimal GR24 concentration for microalgae-fungi consortia was 10-9  M. Endophytic bacteria were superior to MWCNTs and VB12. Fungi-algae-bacteria consortia presented excellent growth and removal performance. Removal efficiencies of COD, TN, and TP were about 81% under optimum treatment 
650 4 |a Journal Article 
650 4 |a endophytic bacteria 
650 4 |a growth performance 
650 4 |a microalgae-fungi consortia 
650 4 |a multi-walled carbon nanotubes 
650 4 |a purification efficiency 
650 7 |a Biofuels  |2 NLM 
650 7 |a Carbon Dioxide  |2 NLM 
650 7 |a 142M471B3J  |2 NLM 
650 7 |a Chlorophyll A  |2 NLM 
650 7 |a YF5Q9EJC8Y  |2 NLM 
650 7 |a GR24 strigolactone  |2 NLM 
650 7 |a Nanotubes, Carbon  |2 NLM 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
650 7 |a Phosphorus  |2 NLM 
650 7 |a 27YLU75U4W  |2 NLM 
700 1 |a Wang, Zhengfang  |e verfasserin  |4 aut 
700 1 |a Li, Yaguang  |e verfasserin  |4 aut 
700 1 |a Zheng, Zheng  |e verfasserin  |4 aut 
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773 1 8 |g volume:95  |g year:2023  |g number:7  |g day:26  |g month:07  |g pages:e10907 
856 4 0 |u http://dx.doi.org/10.1002/wer.10907  |3 Volltext 
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