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dc.contributor.authorTangsathitkulchai, Chaiyoten_US
dc.contributor.authorPunsuwan, Natthayaen_US
dc.contributor.authorWeerachanchai, Piyaraten_US
dc.identifier.citationTangsathitkulchai, C., Punsuwan, N., & Weerachanchai, P. (2019). Simulation of batch slow pyrolysis of biomass materials using the process-flow-diagram COCO simulator. Processes, 7(11), 775-. doi:10.3390/pr7110775en_US
dc.description.abstractThe commercial COCO simulation program was used to mimic the experimental slow pyrolysis process of five different biomasses based on thermodynamic consideration. The program generated the optimum set of reaction kinetic parameters and reaction stoichiometric numbers that best described the experimental yields of solid, liquid and gas products. It was found that the simulation scheme could predict the product yields over the temperature range from 300 to 800 °C with reasonable accuracy of less than 10% average error. An attempt was made to generalize the biomass pyrolysis behavior by dividing the five biomasses into two groups based on the single-peak and two-peak characteristics of the DTG (derivative thermogravimetry) curves. It was found that this approximate approach was able to predict the product yields reasonably well. The proposed simulation method was extended to the analysis of slow pyrolysis results derived from previous investigations. The results obtained showed that the prediction errors of product yields were relatively large, being 12.3%, 10.6%, and 27.5% for the solid, liquid, and gas products, respectively, possibly caused by differing pyrolysis conditions from those used in the simulation. The prediction of gas product compositions by the simulation program was reasonably satisfactory, but was less accurate for predicting the compositions of liquid products analyzed in forms of hydrocarbons, aromatics and oxygenated fractions. In addition, information on the kinetics of thermal decomposition of biomass in terms of the variation of fractional conversion with time was also derived as a function of temperature and biomass type.en_US
dc.rights© 2019 The Authors. Licensee MDPI, Basel, Switzerland. This article is an open accessarticle distributed under the terms and conditions of the Creative Commons Attribution(CC BY) license (
dc.titleSimulation of batch slow pyrolysis of biomass materials using the process-flow-diagram COCO simulatoren_US
dc.typeJournal Articleen
dc.contributor.researchNanyang Environment and Water Research Instituteen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsBiomass Pyrolysisen_US
dc.subject.keywordsCassava Pulp Residueen_US
dc.description.acknowledgementThe financial support of this work was provided by The Research and Development Fund, Suranaree University of Technology, and is gratefully acknowledged.en_US
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