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Elucidation of the mechanisms of microbial CBM formation in coal seam and development of enhanced CBM recovery technology

Research Project

Project/Area Number 20H00366
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Review Section Medium-sized Section 31:Nuclear engineering, earth resources engineering, energy engineering, and related fields
Research InstitutionNational Institute of Advanced Industrial Science and Technology

Principal Investigator

Mayumi Daisuke  国立研究開発法人産業技術総合研究所, 地質調査総合センター, 主任研究員 (30549861)

Co-Investigator(Kenkyū-buntansha) 玉木 秀幸  国立研究開発法人産業技術総合研究所, 生命工学領域, 研究グループ長 (00421842)
金子 雅紀  国立研究開発法人産業技術総合研究所, 地質調査総合センター, 主任研究員 (80633239)
Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥44,980,000 (Direct Cost: ¥34,600,000、Indirect Cost: ¥10,380,000)
Fiscal Year 2023: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Fiscal Year 2022: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
Fiscal Year 2021: ¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
Fiscal Year 2020: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000)
Keywordsメタン生成 / 石炭 / 地下生命圏 / メタン生成アーキア / メトキシ化合物 / 地下 / 微生物 / コールベッドメタン / メタン / 地下微生物
Outline of Research at the Start

本課題は石炭層において炭層微生物(群)の機能を最大限活用して回収不可能な石炭資源を新たなエネルギー資源(メタンガス)に変換し回収する革新的エネルギー資源開発技術の創成を志向するものである。特に,本提案課題では独自の石炭分解メタン生成ポテンシャル評価技術と地下環境を模擬した高圧培養システムを駆使し,国内外の多様な炭層環境から能力の高い石炭分解メタン生成微生物群を獲得し,その反応機構を解明するとともに,地球化学的・微生物学的に異なる炭層特性に配慮しつつ上記微生物群の能力を最大限発揮させる炭層ガス(CBM)増産技術の開発を目指す。

Outline of Final Research Achievements

In aiming to establish innovative energy development technologies that convert unrecoverable coal into a new energy resource (methane gas) by maximizing the functions of microbial communities in coal seams, we attempted to acquire highly capable methanogenic coal-degrading microbial communities from various coal seams. In this study, we utilized our potential evaluation technique for methanogenic coal degradation and a high-pressure cultivation system that simulates deep subsurface environments to obtain methanogenic coal-degrading microbial communities. Furthermore, we elucidated the mechanisms of coal degradation and developed a technology to maximize the capabilities of these microbial communities.

Academic Significance and Societal Importance of the Research Achievements

国内に大量に存在する未回収石炭資源を微生物の働きによって天然ガス(メタン)に変換し回収する技術の開発を目指し、石炭を分解しメタンを生成する微生物群の獲得を試みた。その結果、国内の石炭層から石炭を分解するメタン生成微生物群を実験室で培養することに成功し、その分解機構を解明した。その知見を基に、当該メタン生成微生物群の働きを最大限引き出す技術の開発を行った。

Report

(6 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • 2020 Comments on the Screening Results   Annual Research Report
  • Research Products

    (8 results)

All 2023 2022 2021 Other

All Int'l Joint Research (3 results) Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (4 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results)

  • [Int'l Joint Research] University of Calgary(カナダ)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] University of Calgary(カナダ)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] University of Calgary(カナダ)

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Methanogenic crude oil degradation induced by an exogenous microbial community and nutrient injections2021

    • Author(s)
      Suda Konomi、Ikarashi Masayuki、Tamaki Hideyuki、Tamazawa Satoshi、Sakata Susumu、Haruo Maeda、Kamagata Yoichi、Kaneko Masanori、Ujiie Tomomi、Shinotsuka Yumi、Wakayama Tatsuki、Iwama Hiroki、Osaka Noriko、Mayumi Daisuke、Yonebayashi Hideharu
    • Journal Title

      Journal of Petroleum Science and Engineering

      Volume: 201 Pages: 108458-108458

    • DOI

      10.1016/j.petrol.2021.108458

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Meta-omics analysis for a microbial community performing methanogenic toluene degradation2023

    • Author(s)
      Hiroki Kawamoto, Masaru K. Nobu, Masanori Kaneko, Satoshi Furota, Kenta Asahina, Satoshi Tamazawa, Konomi Suda, Haruo Maeda, Susumu Sakata, Yoichi Kamagata, Daisuke Mayumi, Hideyuki Tamaki
    • Organizer
      9th INTERNATIONAL SYMPOSIUM ON APPLIED MICROBIOLOGY AND MOLECULAR BIOLOGY IN OIL SYSTEMS
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 深部地下油層環境から集積されたトルエン分解メタン生成微生物群集のメタオミクス解析2023

    • Author(s)
      川本 大輝、延 優、金子 雅紀、風呂田 郷史、朝比奈 健太、玉澤 聡、須田 好、前田 治男、坂田 将、鎌形 洋一、眞弓 大介、玉木 秀幸
    • Organizer
      日本微生物生態学会第36回浜松大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Methane production from crude oil by a single methanogen2022

    • Author(s)
      Daisuke Mayumi
    • Organizer
      日本地球惑星科学連合2022年大会
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 原油を分解するメタン生成菌を発見2021

    • Author(s)
      眞弓大介、中原望、風呂田郷史、金子雅紀、延優、玉澤聡、須田好、前田治男、鎌形洋一、坂田将、玉木秀幸
    • Organizer
      日本微生物生態学会第34回
    • Related Report
      2021 Annual Research Report

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Published: 2020-04-28   Modified: 2025-01-30  

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