Study of the digestion process at a full-scale solid-state biogas plant by using ORWARE: Model modification and implementation

Carlos-Pinedo, Sandra; Wang, Zhao; Eriksson, Ola; Soam, Shveta

doi:10.1016/j.wasman.2020.03.036

Cited by 4 publications

(8 citation statements)

References 51 publications

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“…LCA is a tool that can be used for comparative assessments, either between different systems providing similar functions or between different development stages of a system in an improvement analysis. For this study, the adapted ORWARE model (Carlos-Pinedo et al, 2020) was used to describe the flow balances in the SS-AD process. At this time, ORWARE does not have the capability to do an LCA for food production.…”

Section: Methodsmentioning

confidence: 99%

Exploring Interactions Between Fruit and Vegetable Production in a Greenhouse and an Anaerobic Digestion Plant—Environmental Implications

Danevad

Carlos-Pinedo

2021

Front. Sustain.

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Greenhouse fruit and vegetable production uses large amounts of energy and other resources, and finding ways of reducing its impact may increase sustainability. Outputs generated from solid-state anaerobic digestion (SS-AD) are suitable for use in greenhouses, which creates a need to investigate the consequences of the possible interactions between them. Connecting the fruit and vegetable production with the resource flows from an SS-AD process, e.g., biogas and digestate, could increase circularity while decreasing the total environmental impact. There are currently no studies where a comprehensive assessment of the material flows between greenhouses and SS-AD are analyzed in combination with evaluation of the environmental impact. In this study, material flow analysis is used to evaluate the effects of adding tomato related waste to the SS-AD, while also using life cycle assessment to study the environmental impact of the system, including production of tomatoes in a greenhouse and the interactions with the SS-AD. The results show that the environmental impact decreases for all evaluated impact categories as compared to a reference greenhouse that used inputs and outputs usually applied in a Swedish context. Using the tomato related waste as a feedstock for SS-AD caused a decrease of biomethane and an increase of carbon dioxide and digestate per ton of treated waste, compared to the digestion of mainly food waste. In conclusion, interactions between a greenhouse and an SS-AD plant can lead to better environmental performance by replacing some of the fertilizer and energy required by the greenhouse.

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Section: Methodsmentioning

confidence: 99%

Exploring Interactions Between Fruit and Vegetable Production in a Greenhouse and an Anaerobic Digestion Plant—Environmental Implications

Danevad

Carlos-Pinedo

2021

Front. Sustain.

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“…Anaerobic digestion can be applied in a laboratory-scale reactor and a pilot-scale reactor [9]. In the laboratory-scale reactor, a small amount of raw material is used, and speci c aspects of the digestion process was studied [10]. Several testing (thermodynamic and chemical kinetics) that are independent of size were studied, and the operating conditions during the digestion process were determined [10].…”

Section: Introductionmentioning

confidence: 99%

“…In the laboratory-scale reactor, a small amount of raw material is used, and speci c aspects of the digestion process was studied [10]. Several testing (thermodynamic and chemical kinetics) that are independent of size were studied, and the operating conditions during the digestion process were determined [10]. While in the pilot-scale reactor, different parameters were studied, such as duration of operation, control parameters, and equipment reliability [10].…”

Section: Introductionmentioning

confidence: 99%

“…Several testing (thermodynamic and chemical kinetics) that are independent of size were studied, and the operating conditions during the digestion process were determined [10]. While in the pilot-scale reactor, different parameters were studied, such as duration of operation, control parameters, and equipment reliability [10]. The physical and chemical analysis of the digestion process can be evaluated, and scale-up problems were studied [10].…”

Section: Introductionmentioning

confidence: 99%

“…While in the pilot-scale reactor, different parameters were studied, such as duration of operation, control parameters, and equipment reliability [10]. The physical and chemical analysis of the digestion process can be evaluated, and scale-up problems were studied [10].…”

Section: Introductionmentioning

confidence: 99%

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Pilot-scale Anaerobic Digestion of Food Waste: Evaluation on the Stability, Methane Production, and Kinetic Analysis

Fadzil

Norazman

et al. 2021

Preprint

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Food waste was massively disposed at landfills daily, and this method is no longer effective in managing waste due to the limited space and environmental issues. An alternative solution was explored in managing the food waste, and anaerobic digestion serve as the best solution. Food waste was digested anaerobically in a lab-scale and pilot-scale anaerobic digester. The performance of a batch pilot-scale anaerobic digestion of food waste, on the other hand, is less documented. The goal of this research is to look into a batch pilot-scale anaerobic digester for food waste, with a focus on methane potential and kinetic studies. A single-stage anaerobic digestion of food waste was carried out with an inoculum to substrate ratio (I/S) of 2.0. A variety of tests were carried out to identify the properties of the food waste and the inoculum employed. Effluent was collected daily for the monitoring process. The pH and volatile fatty acid to total alkalinity ratio (VFA/TA) were monitored daily to ensure that the anaerobic digestion process remained stable. The VFA/TA ratio suggested that the anaerobic digestion process was stable throughout the anaerobic digestion process. The methane accumulation for 26 days monitoring is 463250 mL. The ultimate methane yield of 5103.6 mL CH4/gVS was observed. The maximum removal efficiency for TS, VS, and COD in this investigation was 85.32, 94.15, and 93.52 %, showing that food waste was efficiently decomposed for biomethane conversion. The Modified Gompertz (GM) and Logistic function models were used to conduct the kinetic analysis. The results reveal that the GM model provides a higher R2 value than the logistic function model, thus the GM model is more suited in explaining the performance of the anaerobic digestion process.

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Assessment of a full-scale solid-state anaerobic co-digestion: A multi-component substrate analysis by using ORWARE

Carlos-Pinedo

Wang

2022

Waste Management

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Study of the digestion process at a full-scale solid-state biogas plant by using ORWARE: Model modification and implementation

Cited by 4 publications

References 51 publications

Exploring Interactions Between Fruit and Vegetable Production in a Greenhouse and an Anaerobic Digestion Plant—Environmental Implications

Exploring Interactions Between Fruit and Vegetable Production in a Greenhouse and an Anaerobic Digestion Plant—Environmental Implications

Pilot-scale Anaerobic Digestion of Food Waste: Evaluation on the Stability, Methane Production, and Kinetic Analysis

Assessment of a full-scale solid-state anaerobic co-digestion: A multi-component substrate analysis by using ORWARE

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