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240301s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2024.02.027
|2 doi
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|a pubmed24n1334.xml
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|a (DE-627)NLM369125789
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|a (NLM)38422680
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|a (PII)S0956-053X(24)00112-0
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Wongkiew, Sumeth
|e verfasserin
|4 aut
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| 245 |
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|a Bioponic systems with biochar
|b Insights into nutrient recovery, heavy metal reduction, and microbial interactions in digestate-based bioponics
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|c 2024
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| 336 |
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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 18.03.2024
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|a Date Revised 18.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Ltd. All rights reserved.
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|a Bioponics is a nutrient-recovery technology that transforms nutrient-rich organic waste into plant biomass/bioproducts. Integrating biochar with digestate from anaerobic wastewater treatment process can improve resource recovery while mitigating heavy metal contamination. The overarching goal of this study was to investigate the application of biochar in digestate-based bioponics, focusing on its efficacy in nutrient recovery and heavy metal removal, while also exploring the microbial community dynamics. In this study, biochar was applied at 50 % w/w with 500 g dry weight of digestate during two 28-day crop cycles (uncontrolled pH and pH 5.5) using white stem pak choi (Brassica rapa var. chinensis) as a model crop. The results showed that the digestate provided sufficient phosphorus and nitrogen, supporting plant growth. Biochar amendment improved plant yield and phosphate solubilization and reduced nitrogen loss, especially at the pH 5.5. Furthermore, biochar reduced the heavy metal accumulation in plants, while concentrating these metals in the residual sludge. However, owing to potential non-carcinogenic and carcinogenic health risks, it is still not recommended to directly consume plants cultivated in digestate-based bioponic systems. Additionally, biochar amendment exhibited pronounced impact on the microbial community, promoting microbes responsible for nutrient solubilization and cycling (e.g., Tetrasphaera, Herpetosiphon, Hyphomicrobium, and Pseudorhodoplanes) and heavy metal stabilization (e.g., Leptolinea, Fonticella, Romboutsia, and Desulfurispora) in both the residual sludge and plants. Overall, the addition of biochar enhanced the microbial community and facilitated the metal stabilization and the cycling of nutrients within both residual sludge and root systems, thereby improving the overall efficiency of the bioponics
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|a Journal Article
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|a Biochar
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|a Digestate
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|a Health risk
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|a Heavy metal
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|a Microbial community
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|a Nutrient
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|a biochar
|2 NLM
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| 650 |
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|a Sewage
|2 NLM
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| 650 |
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|a Charcoal
|2 NLM
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| 650 |
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|a 16291-96-6
|2 NLM
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| 650 |
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|a Metals, Heavy
|2 NLM
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| 650 |
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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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| 650 |
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|a Soil
|2 NLM
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| 700 |
1 |
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|a Aksorn, Satja
|e verfasserin
|4 aut
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1 |
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|a Amnuaychaichana, Suchana
|e verfasserin
|4 aut
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|a Polprasert, Chongrak
|e verfasserin
|4 aut
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|a Noophan, Pongsak Lek
|e verfasserin
|4 aut
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|a Kanokkantapong, Vorapot
|e verfasserin
|4 aut
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|a Koottatep, Thammarat
|e verfasserin
|4 aut
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|a Surendra, K C
|e verfasserin
|4 aut
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| 700 |
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|a Khanal, Samir Kumar
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 178(2024) vom: 15. März, Seite 267-279
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:178
|g year:2024
|g day:15
|g month:03
|g pages:267-279
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|u http://dx.doi.org/10.1016/j.wasman.2024.02.027
|3 Volltext
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|d 178
|j 2024
|b 15
|c 03
|h 267-279
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