Techno-economic for bioethanol from lignocellulosic

Name: Monsikan Vilaipan

LCSH: Kasetsart University -- Theses. M.Eng. (Sustainable Energy and Resources Engineering) 2019

Classification :.LCCS: TP358

LCSH: Kasetsart University. -- Faculty of Engineering -- Theses

LCSH: Alcohol as fuel -- Economic aspects

LCSH: Biomass energy -- Economic aspects

LCSH: Lignocellulose

Abstract: The techno-economic analysis of bioethanol production plants from EFB, OPT and various ratios of EFB:OPT is evaluated in this work. The simulation model and evaluation of economic feasibility were carried out using Aspen Plus, Aspen Adsorption, Aspen Economic Analyzer software, and Microsoft Office Excel. The conditions and results to produce an ethanol base on the preliminary experiment. The evaluation of mass balance, equipment design, scheduling unit utilization was performed to assess to accomplish the objective. The bioethanol production process consists of three sections: Pretreatment, Simultaneous saccharification and fermentation (SSF), and Purification process. The specified first pretreatment technology was employed for each feedstock to obtain high breakdown efficiency of their structure. The highest ethanol yield from OPT and EFB is 3.311 and 3.4 wt%, respectively. The combination of the distillation and dehydration is considered as a purification process. Two candidate dehydration technologies, PV and PSA, are compared in order to determine the suitable technology for bioethanol plants. The results represent that the bioethanol production plant with PV gives better economic results compared with PSA. The bioethanol plants required very high investment cost to produce 99.5 wt% of ethanol, 10,000 L/day. Therefore, the small plant capacity with large capital and operating costs results in negative NPV. The highest NPV is -11,247,848 $ with 0.8831 $/unit for OPT plant with PV. Therefore, these plants are nonprofitable and not recommended for investment. To increase NPV to positive, the sensitivity analysts suggest increasing ethanol concentration in fermentation broth by remaining the same condition.

Kasetsart University. Office of the University Library

Address: Bangkok

Email: tdckulib@ku.ac.th

Name: Maythee Saisriyoot

Role: Thesis Advisor

Created: 2019

Modified: 2025-07-27

Issued: 2025-07-27

วิทยานิพนธ์/Thesis

application/pdf

URL: https://www.lib.ku.ac.th/KUthesis/2562/monsikan-vil-all.pdf

CallNumber: TP358 .M66

eng

DegreeName: Master of Engineering

Level: Master's Degree

Descipline: Sustainable Energy and Resources Engineering

Grantor: Kasetsart University

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