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240814s2024 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2024.251
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|a pubmed24n1501.xml
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|a DE-627
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|a eng
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|a Kamravamanesh, Donya
|e verfasserin
|4 aut
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|a Source separation and anaerobic co-digestion of blackwater and food waste for biogas production and nutrient recovery
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 14.08.2024
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|a Date Revised 14.08.2024
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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 Anaerobic co-digestion of source-separated blackwater (BW) and food and kitchen waste (FW) offers decentralized circular economy solutions by enabling local production of biogas and nutrient-rich byproducts. In this study, a 2 m3 pilot-scale continuously stirred tank reactor (CSTR) operated under mesophilic conditions was utilized for co-digestion of BW and FW. The process obtained a CH4 yield of 0.7 ± 0.2 m3/kg influent-volatile solid (VS), reaching a maximum yield of 1.1 ± 0.1 m3/kg influent-VS, with an average organic loading rate of 0.6 ± 0.1 kg-VS/m3/d and HRT of 25 days. The CH4 production rate averaged 0.4 ± 0.1 m3/m3/d, peaking at 0.6 ± 0.1 m3/m3/d. Treatment of digestate through flocculation followed by sedimentation recovered over 90% of ammonium nitrogen and potassium, and 80-85% of total phosphorus in the liquid fraction. This nutrient-rich liquid was used to cultivate Chlorella vulgaris, achieving a biomass concentration of 1.2 ± 0.1 g/L and 85 ± 3% and 78 ± 5% ammonium nitrogen and phosphorus removal efficiency, respectively. These findings not only highlight the feasibility of anaerobic co-digestion of source-separated BW and FW in local biogas production but also demonstrate the potential of microalgae cultivation as a sustainable approach to converting digestate into nutrient-rich algae biomass
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|a Journal Article
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|a anaerobic co-digestion
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|a blackwater
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|a food waste
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|a microalgae
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|a nutrient recovery
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|a source separation
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|a Biofuels
|2 NLM
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|a Wastewater
|2 NLM
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| 650 |
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|a Phosphorus
|2 NLM
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|a 27YLU75U4W
|2 NLM
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| 650 |
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|a Food Loss and Waste
|2 NLM
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| 700 |
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|a Kokko, Marika
|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), 3 vom: 14. Aug., Seite 1082-1098
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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|g volume:90
|g year:2024
|g number:3
|g day:14
|g month:08
|g pages:1082-1098
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|u http://dx.doi.org/10.2166/wst.2024.251
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