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transele.E97.C.986.pdf | 1.91 MB | Adobe PDF | View/Open |
Title: | Pilot-Plant Scale 12 kW Microwave Irradiation Reactor for Woody Biomass Pretreatment |
Authors: | HASEGAWA, Naoki MITANI, Tomohiko ![]() ![]() ![]() SHINOHARA, Naoki ![]() ![]() ![]() DAIDAI, Masakazu KATSURA, Yoko SEGO, Hisayuki WATANABE, Takashi ![]() ![]() |
Author's alias: | 長谷川, 直輝 三谷, 友彦 篠原, 真毅 渡邊, 隆司 |
Keywords: | Microwave heating permittivity measurement finite element method magnetron |
Issue Date: | Oct-2014 |
Publisher: | Institute of Electronics, Information and Communication Engineers(IEICE) |
Journal title: | IEICE Transactions on Electronics |
Volume: | E97.C |
Issue: | 10 |
Start page: | 986 |
End page: | 993 |
Abstract: | A simple, low reflection, and highly-efficient pilot-plant scale microwave irradiation reactor for woody biomass pretreatment was fabricated. Pretreatment is an essential process for effective bioethanol production.The fabricated reactor consists of 8 microwave irradiators which are attached to a metal pipe. The woody biomass mixture which contains water and organic acid flows through the metal pipe and is heated by microwaves at a total power of 12 kW. To design the microwave irradiators, we used a 3D Finite Element Method (FEM) simulator, which was based on the measured complex permittivity data of the woody biomass mixture.The simulation results showed that the reflection coefficient |S11| from the reactor was less than -30 dB when the woody biomass mixture temperature was between 30°C and 90°C.Finally, we experimentally confirmed that the fabricated irradiation reactor yielded a microwave absorption efficiency of 79%. |
Rights: | © 2014 The Institute of Electronics, Information and Communication Engineers |
URI: | http://hdl.handle.net/2433/191113 |
DOI(Published Version): | 10.1587/transele.E97.C.986 |
Appears in Collections: | Journal Articles |

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