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Fractionation of coal for recovering chemical feedstock or valuable compounds from low grade coals

Research Project

Project/Area Number 19760544
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Catalyst/Resource chemical process
Research InstitutionKyoto University

Principal Investigator

ASHIDA Ryuichi  Kyoto University, 大学院・工学研究科, 助教 (80402965)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,720,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2007: ¥1,900,000 (Direct Cost: ¥1,900,000)
Keywords石炭 / フラクショネーション / 溶剤抽出 / 分離精製 / 化学原料 / 熱軟化溶融性 / メソフェーズ / 水素化
Research Abstract

本研究では、石炭を無極性溶剤流通下、石炭が分解しない350℃以下で抽出することで、石炭分子の凝集構造を熱により緩和し、凝集構造中に取り込まれていた多くの低分子成分を溶剤の溶解力で溶かし出すと同時に、溶剤の溶解力の温度依存性を利用して、抽出された低分子成分を石油の精製のように分離精製(フラクショネーション)する技術を開発した。本法により、石炭を分解することなく分子量や化学構造の異なる6〜8種の成分に分離することに成功した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (7 results)

All 2009 2008 2007

All Journal Article (4 results) (of which Peer Reviewed: 3 results) Presentation (3 results)

  • [Journal Article] Fractionation of brown coal by sequential high temperature solvent extraction2009

    • Author(s)
      Ryuichi Ashida, Masato Morimoto, Yoshihiro Makino, Satoshi Umemoto, Hiroyuki Nakagawa, Kouichi Miura, Koji Saito, Kenji Kato
    • Journal Title

      Fuel 88

      Pages: 1485-1490

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Fractionation of brown coal by sequential high temperature solvent extraction2009

    • Author(s)
      Ryutclit Ashida, Masato morimoto, rosointro Makino, Safoshi Umemoto, Hiroyuki Nakagawa, Kouichi Minra_Koii Saito Kenii Kato
    • Journal Title

      Fuel (in press)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fractionation of coal by use of high temperature solvent extraction technique and characterization of the fractions2008

    • Author(s)
      Ryuichi Ashida, Kyosuke Nakgawa, Masayuki Oga, Hiroyuki Nakagawa, Kouichi Miura
    • Journal Title

      Fuel 87

      Pages: 576-582

    • Related Report
      2008 Annual Research Report 2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] コークス用石炭資源拡大を目的とした褐炭の改質2008

    • Author(s)
      三浦孝一、藍田隆一
    • Journal Title

      日本エネルギー学会誌 87

      Pages: 353-359

    • Related Report
      2008 Annual Research Report
  • [Presentation] 褐炭の溶剤抽出フラクショネーションにおける溶剤種の影響2008

    • Author(s)
      蘆田隆一, 阪上明弘, 三浦孝一, 加藤健次, 齋藤公児
    • Organizer
      第17回日本エネルギー学会大会
    • Place of Presentation
      工学院大学
    • Year and Date
      2008-08-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 褐炭の溶剤抽出フラクショネーショシにおける溶剤種の影響2008

    • Author(s)
      蘆田隆一、阪上明弘、三浦孝一、加藤健次、齋藤公児
    • Organizer
      第17回日本エネルギー学会大会
    • Place of Presentation
      工学院大学
    • Year and Date
      2008-08-04
    • Related Report
      2008 Annual Research Report
  • [Presentation] Fractionation of brown coal by sequential solvent extractions and characterization of the fractions2007

    • Author(s)
      Ryuichi Ashida, Yoshihiro Makino, Masato Morimoto, Hiroyuki Nakagawa, Kouichi Miura, Koji Saito, Kenji Kato
    • Organizer
      24th Pittsburgh Coal Conference
    • Place of Presentation
      Johannesburg, South Africa
    • Year and Date
      2007-09-11
    • Related Report
      2008 Final Research Report 2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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