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Process Simulation Model for Anaerobic Digestion
University of Borås, School of Engineering.
University of Borås, School of Engineering.
University of Borås, School of Engineering.ORCID iD: 0000-0003-4887-2433
2013 (English)Conference paper (Refereed)
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

In this study, a novel process simulation model (PSM) was developed for anaerobic digestion using Aspen Plus® (version 7.3.2). PSM has two parts, one for hydrolysis working based on extent of reaction and the other on kinetics of reactions. A total of 53 reactions were used in the model including inhibitions, rate kinetics, pH, ammonia, volume and HRT. Each reaction set in the kinetic reactor has a FORTRAN program to calculate the kinetics of biogas production. PSM was validated with earlier research studies and industrial experiments in Aspen Plus®. The P-value after statistical analysis was found to be 0.324, which showed there was no significant difference between different validations, even after a change in process conditions, loading rate, HRT and substrate. The sensitivity analysis with a ±10% change in composition and extent of reaction would result in average 4.56% higher value than the experimental value.

Place, publisher, year, edition, pages
Keyword [en]
Process simulation model, anaerobic digestion, model validation, Resursåtervinning
National Category
Engineering and Technology
Research subject
Resource Recovery
URN: urn:nbn:se:hb:diva-6989Local ID: 2320/12339ISBN: 978-988-19988-5-9OAI: diva2:887696
International Conference on Solid Waste 2013: Innovation in Technology and Management, Hongkong, SAR, P.R. China, 6-8 May 2013
Available from: 2015-12-22 Created: 2015-12-22 Last updated: 2016-03-03

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Rajendran, K.Lundin, M.Taherzadeh, M.J.
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