Patcharavorachot, Yaneeporn

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Patcharavorachot, Yaneeporn
Alternative Name
Patcharavorachot, Y.
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Email
yaneeporn.pa@kmitl.ac.th

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    Performance Analysis of Biomass Gasification with Biogas Co-Feeding for Hydrogen Production
    (2025-01-01)
    Saebea, Dang
    ;
    Patcharavorachot, Yaneeporn
    To improve the hydrogen yield in biomass gasification, the addition of biogas for co-feeding with biomass in gasification was proposed in this work. The gasification model developed in Aspen Plus software was validated with experimental data. The performance of biomass gasification with biogas co-feeding using steam as a gasifying agent was investigated. The effect of the steam-to-fuel ratio on the gasification of mixed biomass and biogas was studied. The results show that the simulation results of biomass gasification were consistent with experimental data. Biomass gasification with biogas co-feeding can raise the amount of hydrogen and carbon monoxide in gas products by 22.12% and 18.44%, respectively. Moreover, the increase in the steam-to-fuel ratio enhances hydrogen in syngas. However, the system efficiency decreases with increasing steam-to-fuel ratio.
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    Modelling and Process Simulation of Indirect Internal Reforming Solid Oxide Fuel Cell Fueled by Glycerol
    (2023-01-01)
    Patcharavorachot, Yaneeporn
    ;
    Kongkapan, Punyawee
    ;
    Pinnarat, Tanawan
    ;
    Saebea, Dang
    This work applied Aspen Plus V9 simulator to study the performance of indirect internal reforming solid oxide fuel cell (SOFC) fueled by glycerol. The optimal operating conditions of the SOFC that can provide the maximum SOFC efficiency or the maximum syngas production were examined. This information can be a guideline for an SOFC operation in which wider range of operating conditions can be adjusted, depending on the target of use. If the maximum efficiency is required, an SOFC should be operated at fuel utilization of 0.85, SOFC temperature of 800-900°C and S/G molar ratio of 1. Under these operating conditions, the IIR-SOFC had an electrical efficiency between 63% and 67%. Considering the maximum syngas production, it was found that the anode exhaust gas consisting of 78% H<inf>2</inf> and 22% CO can be obtained at fuel utilization of 0.1, SOFC temperature of 700°C and S/G molar ratio of 5. In addition, the results indicated that the S/G ratio is a main parameter used for adjusting the H<inf>2</inf>/CO ratio in the syngas.
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    Co-pyrolysis of biomass/polyurethane foam waste: Thermodynamic study using Aspen Plus
    (2024-10-01)
    Patcharavorachot, Yaneeporn
    ;
    Pradiskhean, Supanat
    ;
    Aentung, Tanawat
    ;
    Saebea, Dang
    ;
    Arpornwichanop, Amornchai
    Due to the varieties and identical feature of solid waste, this research aims to consider the use of various feedstocks in pyrolysis process for liquid fuel production. The feedstock considered covers woody and non-woody biomass and plastic waste which are represented by sawdust (SD), palm leaf (PL) and polyurethane foam (PU) waste. In this research, both pure solid waste and the co-pyrolysis of biomass and plastic wastes were determined based on thermodynamics study. The model of pyrolysis process developed through Aspen Plus simulator was implemented to study the product yield, higher heating value (HHV) and energy consumption with a wider range of pyrolysis temperature and blending weight ratio. The simulation results clearly showed that the use of pure PU waste can provide the highest oil yield (∼44 wt%) which is corresponded to highest HHV (∼28 MJ/kg). The pyrolysis, operating at 400 °C, can provide the most significant quantity of oil. For the co-pyrolysis, the results revealed that more PU waste blended in both biomasses can improve both oil yield and HHV while the energy consumption is lower. From the simulation results, the optimal blending weight ratio of biomass and PU waste at 25:75 can provide suitable oil yield (∼43 wt%), HHV (∼26 MJ/kg) and energy consumption (243 kW).
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