成果報告書詳細
管理番号20110000000260
タイトル*平成22年度中間年報 戦略的次世代バイオマスエネルギー利用技術開発事業 戦略的次世代バイオマスエネルギー利用技術開発事業(次世代技術開発) 反応空間制御による高度バイオマス熱分解技術の研究開発
公開日2011/5/10
報告書年度2010 - 2010
委託先名JFEエンジニアリング株式会社 国立大学法人九州大学
プロジェクト番号P10010
部署名新エネルギー部
和文要約和文要約等以下本編抜粋:1. 研究開発の内容及び成果等
1:充填移動層を用いた熱分解技術の研究開発 (JFEエンジニアリング株式会社)
本研究開発では、バイオマス熱分解時に発生するタール蒸気の反応を促進させ、タールの軽質化を進めるとともに、タールの炭化反応(化学気相析出・共炭化)を促すことで有用な炭化物収率を高めるための、具体的な反応装置の形態を明確化することを目的とする。 特に、シンプルな構造でありながらタールを炉内に封じ込み、気固接触と実質的な滞留時間を稼ぐことで前記反応を促進できるアップドラフト式充填移動層炉の開発を実施する。
英文要約Title : Research and development of advanced biomass pyrolysis technology with control of reaction condition (FY2010-FY2011) FY2010 Annual Report
This collaborative research between JFE Engineering Corporation and Kyushu University is aiming at developing a pyrolysis technology of biomass which enables us to maximize charcoal yields and to make tar lighter. Our strategy in obtaining a high yield of charcoal from biomass pyrolysis is to facilitate co-carbonization of biomass and volatiles, in particular, tar derived from biomass pyrolysis by intensifying char/biomass and tar interactions inside the reactor. Moving-bed pyrolyzer is one of the most promising reactors to realize the co-carbonization extensively. The major purpose of this project is thus to design the reactor and establish operation technologies towards an efficient conversion process of biomass resources.
The project consists of two major parts; the first one is to develop a bench scale up-draft biomass pyrolyzer, and the second one is a fundamental research by using a lab-scale simulated moving bed reactor. The outputs of this year can be summarized as followings;
1. A bench scale up-draft moving bed pyrolyzer has been designed and constructed. The pyrolyzer is approximately 4 m long and is equipped with a gas furnace. Several test runs including feeding biomass from top of the pyrolyzer and measurements of temperature profiles along the biomass bed when hot nitrogen is blown from bottom of the pyrolyzer were successfully conducted.
2. A labratory scale simulated moving bed reactor has been developed. The reactor consists of a number of serially connected fixed bed reactors. Biomass particles can be packed in each fixed bed reactor and the serially connected fixed bed reactors can be lifted from the bottom of the electric furnace at a controlled moving rate. Using this reactor, it is possible to evaluate several processes included in the biomass pyrolysis at up-draft moving bed reactor such as volatile release, tar sorption in/on biomass, tar reforming at charcoal surface, and co-carbonization of biomass/char and tar.
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