Abstract
A simulation of the anaerobic digestion process for municipal solid waste (MSW) treatment has been carried out using Aspen Plus software. Anaerobic digestion uses enzymes to solubilise particulate organic compounds so that they can be easily separated from inert waste such as plastic, metals and textiles. The complex substrates such as proteins, carbohydrates and fats are hydrolyzed into their respective monomers, such as amino acids, glucose and fatty acids. The hydrolyzed monomers then are converted into different volatile fatty acids (VFAs); later the VFAs are converted into carbon dioxide, acetic acid and hydrogen. A model of the anaerobic digestion process is represented by RSTOIC and RCSTR reactors in Aspen Plus. The hydrolysis reactions occur in RSTOIC reactor; meanwhile, amino acid degradation, acidogenic and acetogenic reactions are implemented in RCSTR reactor. The amount of dry matter content in bioliquid was 20 wt% which mainly consists of VFA. Sensitivity analysis has been performed in order to study the effect of residence time for the production of organic liquid fraction (bioliquid). The amount of bioliquid produced was increased as residence time was increased.
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Harun, N., Ibrahim, W.H.W., Lukman, M.F., Yusoff, M.H.M., Daud, N.F.S., Zainol, N. (2018). Process Simulation of Anaerobic Digestion Process for Municipal Solid Waste Treatment. In: Horan, N., Yaser, A., Wid, N. (eds) Anaerobic Digestion Processes. Green Energy and Technology. Springer, Singapore. https://doi.org/10.1007/978-981-10-8129-3_5
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DOI: https://doi.org/10.1007/978-981-10-8129-3_5
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