Low-cost anaerobic digester to promote the circular bioeconomy in the non-centrifugal cane sugar sector: a life cycle assessment
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10.1016/j.biortech.2021.124783
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/359708
Tipus de documentArticle
Data publicació2021-04
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 4.0 Internacional
Abstract
This study aimed to assess the potential environmental benefits of implementing low-cost digesters to valorize agro-industrial waste in the non-centrifugal cane sugar (NCS) sector. Two scenarios were considered: i) the current scenario in which organic waste and wastewater were burned outdoor and discharged into a water body, respectively; ii) the anaerobic digestion (AD) scenario, in which low-cost biodigesters were used for organic waste and wastewater treatment on-site. Results showed that low-cost digesters were a sustainable alternative to mitigate environmental impacts, especially those associated with water source pollution. Indeed, in the AD scenario, the environmental impact categories of Freshwater Eutrophication and Marine Eutrophication showed a decrease of 87.6% and 99.4%, respectively, compared to the current scenario. Thus, by treating organic waste and wastewater on-site while producing bioproducts (i.e. biofuel and biofertilizer), low-cost digesters could contribute to boosting the circular bioeconomy in the NCS production sector.
CitacióMendieta, O. [et al.]. Low-cost anaerobic digester to promote the circular bioeconomy in the non-centrifugal cane sugar sector: a life cycle assessment. "Bioresource technology", Abril 2021, vol. 326, p. 124783:1-124783:8.
ISSN0960-8524
Versió de l'editorhttps://www.sciencedirect.com/science/article/abs/pii/S096085242100122X
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