Couto, Pâmela

Fuess, Lucas

Nopens, Ingmar

Ribeiro, Rogers

Zaiat, Marcelo

English

Ghent University Academic Bibliography

Modelling of an Anaerobic Packed Bed Reactor used in processing of sugarcane vinasse to recover hydrogen using the Anaerobic Digestion Model Number 1Couto, P. T a,b.; Fuess L. T. a ; Nopens, I. b; Zaiat, M. a ; Ribeiro R. ca Biological Processes Laboratory, School of Engineering of São Carlos (EESC), University of São Paulo, São Carlos/SP,Brazilb Department of Mathematical Modeling, Statistics and Bioinformatics (BIOMATH), Ghent University, Ghent, Belgiumc Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga/SP, Brazil4. Results and Discussion• Overprediction of acetic acid; Underprediction of butyric acid;• Good prediction of butyrate; still underprediction of acetate;• Hypothesis 1 is better;• However, further improvements in the model are required.5. Conclusions• Modified ADM1 predicts behaviour of APBR better -> production of butyratefrom acetate and lactate needed to be included;• Batch Experimental tests are required to determine the Yields coefficients ->f_bu_ac and f_bu_lac.6. AcknowledgmentsThe authors would like to thank FAPESP (process numbers 2017/25778-5 and 2015/06246-7)for financial support.7. ReferencesFUESS, L. T. et al. (2015) Operational strategies for long-term biohydrogen production fromsugarcane stillage in a continuous acidogenic packed-bed reactor. International Journal ofHydrogen Energy, v. 41, n. 19, p. 8132–8145.1. Introduction2. ObjectiveApply ADM1 to model the processing of sugarcane vinasse in an Anaerobic Packed-Bed Reactor (APBR) to simulate:• The recovery of hydrogen;• Consumption and production of volatile fatty acids;• Removal of carbohydrates.3. MethodologyExperimental phase:• Acidogenic packed bed reactor (APBR) operated by Fuess et. al. (2015);• Condition: thermophilic (55°C);• Volume: 2.3 L;• Operation time:240 days;Modelling phase:• Data from day 206 selected: Considerable H2 production and constantoperational conditions;• First hypothesis assumed to modeling:• Assumptions: degraders Xac and Xh2 removed in ADM1; Sch4 = 0;• Direct validation of model with experimental data performed;• If hypothesis 0 fails to describe data, alternative hypothesis is assumed:• Proposed ADM1 modifications:1. Production of lactate from sugar:2. Production of butyric acid from acetic acid and lactic acid:3. Production of butyric acid from lactic acid:• Direct validation of the model with experimental data;Supported byHypothesis 0: ADM1 - Methanogenesis pathways = ?Hypothesis 1 accepted?Hypothesis 0accepted?Hypothesis 1: ADM1 – Methanogenesis + Lactato pathways = ?SugarcaneVinasseModelling

Modelling of an anaerobic packed bed reactor used in processing of sugarcane vinasse to recover hydrogen using the anaerobic digestion model number 1

https://biblio.ugent.be/publication/8588463/file/8588464.pdf

Modelling of an anaerobic packed bed reactor used in processing of sugarcane vinasse to recover hydrogen using the anaerobic digestion model number 1

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Ghent University Academic Bibliography