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Evaluation of leaching mechanisms of benzalkonium chloride under the influence of soil or decayed wood components

Research Project

Project/Area Number 20780131
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Wood science
Research InstitutionHokkaido Forest Products Research Institute

Principal Investigator

MIYAUCHI Teruhisa  Hokkaido Forest Products Research Institute, 性能部, 研究職員 (20446339)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords木材保存剤 / 保存処理木材 / 塩化ベンザルコニウム / 同族体 / 溶脱 / フミン酸
Research Abstract

To evaluate the leaching mechanism of benzalkonium chloride (BAC) from treated wood, leaching characteristics of BAC homologues (C12, C14 and C16) were investigated under various conditions. The leaching rates of the BAC homologues from treated wood in soil were much the same (C12≒C14≒C16). On the other hand, their leaching rates in deionized water were in the following order : C12 > C14 > C16. Results of leaching experiments using various leaching mediums, which contained decayed wood components, organic soil components, or inorganic salts, show that organic soil components accelerate the leaching of BACs ; the acceleration was in the following order : C16 > C14 > C12. Thus, these results indicate that the leaching of BAC homologues in soil is caused by the organic components of soil.

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Products Report
  • Research Products

    (7 results)

All 2013 2009 2008 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (5 results) Remarks (1 results)

  • [Journal Article] Leaching behaviour of benzalkonium chloride homologues in soil and water solutions2013

    • Author(s)
      Teruhisa Miyauchi, Mitsunori Mori
    • Journal Title

      Wood Science and Technology

      Volume: 47 Issue: 4 Pages: 825-836

    • DOI

      10.1007/s00226-013-0542-y

    • Related Report
      Products Report
    • Peer Reviewed
  • [Presentation] 土壌成分あるいは腐朽材抽出物を含む水溶液中での塩化ベンザルコニウムの溶脱挙動2009

    • Author(s)
      宮内輝久
    • Organizer
      日本木材学会北海道支部講演集
    • Year and Date
      2009-11-09
    • Related Report
      2009 Final Research Report
  • [Presentation] 土壌成分あるいは腐朽材抽出物を含む水溶液中での塩化ベンザルコニウムの溶脱挙動2009

    • Author(s)
      宮内 輝久、森 満範
    • Organizer
      日本木材学会北海道支部・平成21年度研究発表会
    • Place of Presentation
      道北地域旭川地場産業振興センター(旭川市)
    • Year and Date
      2009-11-09
    • Related Report
      Products Report
  • [Presentation] 土壌成分を含む水溶液中での塩化ベンザルコニウムの溶脱-アルキル鎖長の異なる同族体の比較-2009

    • Author(s)
      宮内輝久
    • Organizer
      第59回日本木材学会
    • Place of Presentation
      松本
    • Year and Date
      2009-03-16
    • Related Report
      2009 Final Research Report
  • [Presentation] 土壌成分を含む水溶液中での塩化ベンザルコニウムの溶脱-アルキル鎖長の異なる同族体の比較-2009

    • Author(s)
      宮内輝久、森 満範
    • Organizer
      第59回日本木材学会大会
    • Place of Presentation
      まつもと市民芸術会館(長野県・松本市)
    • Year and Date
      2009-03-16
    • Related Report
      2008 Annual Research Report Products Report
  • [Presentation] 土壌成分あるいは腐朽材抽出物を含む水溶液中での塩化ベンザルコニウムの溶脱挙動2008

    • Author(s)
      宮内輝久, 森満範
    • Organizer
      日本木材学会北海道支部 平成20年度研究発表会
    • Year and Date
      2008-11-10
    • Related Report
      2009 Annual Research Report
  • [Remarks]

    • URL

      http://www.Fpri.Asahikawa.Hokkaido.Jp/dayori/0806/2.htm

    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-09-09  

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