Potential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations

Anaerobic digestion (AD) of food waste (FW) has been gaining more interest as it has potential for the production of organic amendments with high struvite (NH4MgPO4·6H2O) content, which is a nutrient of great interest in sustainable agriculture. In this study, the influence of AD of FW in one- and t...

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Autores principales: Brayan Alexis Parra-Orobio, Andrea Pérez-Vidal, Patricia Torres-Lozada
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Lenguaje:EN
Publicado: IWA Publishing 2021
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Acceso en línea:https://doaj.org/article/02f915b002794368831a9536610188c4
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spelling oai:doaj.org-article:02f915b002794368831a9536610188c42021-11-06T11:18:39ZPotential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations0273-12231996-973210.2166/wst.2021.299https://doaj.org/article/02f915b002794368831a9536610188c42021-08-01T00:00:00Zhttp://wst.iwaponline.com/content/84/4/1048https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732Anaerobic digestion (AD) of food waste (FW) has been gaining more interest as it has potential for the production of organic amendments with high struvite (NH4MgPO4·6H2O) content, which is a nutrient of great interest in sustainable agriculture. In this study, the influence of AD of FW in one- and two-phase configurations on methane production and the potential for struvite formation using digestate was evaluated. It was found that the two-phase is more efficient as its organic loading rate is 18% higher than that of one-phase configuration. In addition, the two-phase yielded a higher methane content in biogas (>60%) and a higher organic matter transformation in each of the AD stages (>20%); further, the digestate complied with the regulatory requirements for the use of organic amendments, thereby being deemed as a Type-B material with a struvite precipitation potential, exceeding 80%, as opposed to the digestate from one-phase configuration, which may represent a revenue of up to US$ 26,505 per year. HIGHLIGHTS Two-phase anaerobic digestion of food waste (AD-FW) is an alternative for the generation of struvite.; The presence of struvite helps the sanitization of the digestate obtained in the AD-FW.; Two-phase AD has potential for the treatment as well as energy and agricultural use of FW in small communities.;Brayan Alexis Parra-OrobioAndrea Pérez-VidalPatricia Torres-LozadaIWA Publishingarticlebiogasdigestateshydrolysismass balancemethaneEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 84, Iss 4, Pp 1048-1058 (2021)
institution DOAJ
collection DOAJ
language EN
topic biogas
digestates
hydrolysis
mass balance
methane
Environmental technology. Sanitary engineering
TD1-1066
spellingShingle biogas
digestates
hydrolysis
mass balance
methane
Environmental technology. Sanitary engineering
TD1-1066
Brayan Alexis Parra-Orobio
Andrea Pérez-Vidal
Patricia Torres-Lozada
Potential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations
description Anaerobic digestion (AD) of food waste (FW) has been gaining more interest as it has potential for the production of organic amendments with high struvite (NH4MgPO4·6H2O) content, which is a nutrient of great interest in sustainable agriculture. In this study, the influence of AD of FW in one- and two-phase configurations on methane production and the potential for struvite formation using digestate was evaluated. It was found that the two-phase is more efficient as its organic loading rate is 18% higher than that of one-phase configuration. In addition, the two-phase yielded a higher methane content in biogas (>60%) and a higher organic matter transformation in each of the AD stages (>20%); further, the digestate complied with the regulatory requirements for the use of organic amendments, thereby being deemed as a Type-B material with a struvite precipitation potential, exceeding 80%, as opposed to the digestate from one-phase configuration, which may represent a revenue of up to US$ 26,505 per year. HIGHLIGHTS Two-phase anaerobic digestion of food waste (AD-FW) is an alternative for the generation of struvite.; The presence of struvite helps the sanitization of the digestate obtained in the AD-FW.; Two-phase AD has potential for the treatment as well as energy and agricultural use of FW in small communities.;
format article
author Brayan Alexis Parra-Orobio
Andrea Pérez-Vidal
Patricia Torres-Lozada
author_facet Brayan Alexis Parra-Orobio
Andrea Pérez-Vidal
Patricia Torres-Lozada
author_sort Brayan Alexis Parra-Orobio
title Potential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations
title_short Potential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations
title_full Potential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations
title_fullStr Potential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations
title_full_unstemmed Potential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations
title_sort potential production of struvite from the anaerobic digestion of food waste: analysis in one-phase and two-phase configurations
publisher IWA Publishing
publishDate 2021
url https://doaj.org/article/02f915b002794368831a9536610188c4
work_keys_str_mv AT brayanalexisparraorobio potentialproductionofstruvitefromtheanaerobicdigestionoffoodwasteanalysisinonephaseandtwophaseconfigurations
AT andreaperezvidal potentialproductionofstruvitefromtheanaerobicdigestionoffoodwasteanalysisinonephaseandtwophaseconfigurations
AT patriciatorreslozada potentialproductionofstruvitefromtheanaerobicdigestionoffoodwasteanalysisinonephaseandtwophaseconfigurations
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