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Comparative techno-economic and energy analyses of integrated biorefinery processes of furfural and 5-hydroxymethylfurfural from biomass residue
(2023-04-01)
Wiranarongkorn, K.
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Im-orb, K.
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Patcharavorachot, Y.
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Maréchal, F.
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Arpornwichanop, A.
For efficient feedstock and energy utilization, integrated biorefinery processes are applied to furfural production from bagasse to convert furfural residue into 5-hydroxymethylfurfural (HMF)—an important intermediate building block for the production of various biochemicals. Here, a techno-economic analysis of the integrated processes of furfural and HMF production combined with electricity generation under different scenarios was performed to identify the most suitable process design. Simulations revealed that using the whole bagasse in the biorefinery plant and recycling 50% waste from the HMF production to recover unreacted sugar (scenario 2) achieved the maximum furfural and HMF production with minimum CO<inf>2</inf> emission, compared with integrated processes without sugar recycling (scenario 1), with 80% (scenario 3) and 60% biomass (scenario 4) bypassed to the biorefinery, and with a standalone combined heat and power system (scenario 5). Moreover, heat integration improved the efficiency of biorefinery plant (scenario 2), with an energy recovery potential of 71%, leading to the maximum profit at 11% internal rate of return. However, the high operating cost associated with the requirement of solvents and catalysts for HMF production represents the largest cost distribution in the proposed integrated processes. Sensitivity analysis revealed that solvent cost was the most important parameter for economic benefit. In addition, improving technological efficiency in the pretreatment and HMF production phases can enhance product yield, thereby benefiting the profitability of this process.
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SOFC running on steam reforming of biogas: External and internal reforming
(2016-01-01)
Authayanun, S.
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Pornjarungsak, T.
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Prukpraipadung, T.
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Saebea, D.
;
Arpornwichanop, A.
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Performance evaluation of low-temperature solid oxide fuel cells with SDC-based electrolyte
(2016-01-01)
Saebea, P.
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Authayanun, S.
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Patcharavorachot, Y.
;
Arpornwichanop, A.
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Effects of SOFC exhaust gas recirculation on performance of solid oxide fuel cell-gas turbine hybrid system utilizing renewable fuels
(2015-01-01)
Saebea, D.
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Authayanun, S.
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Patcharavorachot, Y.
;
Arpornwichanop, A.
The use of biogas and ethanol as fuels for solid oxide fuel cell-gas turbine (SOFC-GT) hybrid system needs an external steam reformer. As the operation of steam reformer and air preheater requires high external energy input, the efficient heat management of the SOFC system is necessary. Thus, the aim of this study is to analyze the recycling of the SOFC exhaust gas in a SOFC-GT hybrid system utilizing fuels such as ethanol and biogas. The effect of the recirculation ratio of the anode exhaust gas on the performance, the SOFC efficiency, the turbine to SOFC power ratio, and the overall efficiency of hybrid system was first investigated. Additionally, the recirculation of both anode and cathode exhaust gases in the SOFC-GT hybrid system was studied.
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Simulation of hydrogen production with in situ CO2 removal using ASPEN PLUS
(2014-01-01)
Patcharavorachot, Y.
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Likkasith, C.
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Piemnernkoom, N.
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Saebea, D.
;
Arpornwichanop, A.
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Enhancement of hydrogen production for steam reforming of biogas in fluidized bed membrane reactor
(2014-01-01)
Saebea, D.
;
Authayanun, S.
;
Patcharavorachot, Y.
;
Arpornwichanop, A.
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Hydrogen production from glycerol supercritical water reforming with CO2 absorption unit
(2014-01-01)
Patcharavorachot, Y.
;
Authayanun, S.
;
Arpornwichanop, A.
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Design of energy recuperation in a solid oxide fuel cell-gas turbine hybrid system with ethanol as fuel
(2013-01-01)
Saebea, D.
;
Patcharavorachot, Y.
;
Authayanun, S.
;
Arpornwichanop, A.
An ethanol reforming and solid oxide fuel cell-gas turbine (SOFC-GT) hybrid system with anode and/or cathode recirculation is investigated in this study. The aim is to analyze the effect of the anode and cathode recirculation on the performance of SOFC-GT system. The results showed that the hybrid system with both the cathode and anode recirculation achieve the highest system efficiency.
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Integrated system of a proton-conducting SOFC and ethanol autothermal reformer: Design and performance evaluation
(2013-01-01)
Saebea, D.
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Arpornwichanop, A.
;
Patcharavorachot, Y.
In this study, an integrated system of SOFC-H<sup>+</sup> and ethanol autothermal reformer is proposed. The optimal design and operating parameters are carefully determined to obtain the best possible performance of the integrated SOFC-H<sup>+</sup> system satisfying a desired power output of 25 kW.

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