การจำลองเซลล์เชื้อเพลิงแบบเกลือคาร์บอเนตหลอม

Modeling of a Molten Carbonate Fuel Cell system

Name: ขัติมนต์ โพธิยพ

Organization : มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าธนบุรี

keyword: Molten Carbonate Fuel Cell (MCFC)

; Net System Efficiency

; Fuel Processing Type

Abstract: Molten carbonate fuel cell (MCFC) is the technology that can be used for power generation because of its high efficiency and cogeneration capability compared with low-temperature fuel cells. In this research, MCFC stack with methane gas feed, external reactors of hydrocarbons and stream preheator were proposed. The MCFC process was simulated in ASPEN PLUS. To achieve this goal, optimal operating conditions for enhancing process performance need to be identified. The parameters studied were type of reaction to produce H2 gas (steam reforming, autothermal and partial oxidation), reactor temperature, feed ratio and design of balance of plants. From simulation results, it was found that when heat integration was used, a higher power of turbine was obtained and the net system efficiencies rose from 35.3%, 33.3% and 30.6% to 38.6%, 37.1% and 35.1% for steam reforming reaction case, autothermal reaction case and partial oxidation case, respectively. The optimal condition, reactor temperatures were 950, 923.15 and 973.15 K for steam reforming reaction case, autothermal reaction case and partial oxidation case respectively. Steam : CH4 of steam reforming reaction case was 2 : 1, H2O : O2 : CH4 was 3 : 0.5 : 1 and O2:CH4 was 0.5:1. Efficiency of MCFC connected with steam reforming gave the highest system efficiency followed by autothermal and partial oxidation respectively.

มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าธนบุรี

Address: กรุงเทพมหานคร (Bangkok)

Email: info.lib@mail.kmutt.ac.th

Name: Assoc.Prof. Apichai Therdthianwong

Role: Supervisor

Created: 2546

Issued: 2005-09-19

Modified: 2006-05-09

วิทยานิพนธ์/Thesis

ISBN: 9741835981

CallNumber: CHE1454

tha

DegreeName: Master of Engineering

Level: Master's Degree

Descipline: Chemical Engineering

Grantor: King Mongkut's University of Technology Thonburi

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