石炭資源の開発・利用に係わる環境技術と安全のアジアネットワーク　　石炭中ホウ素の分布と化学形態に関する研究

DOI 機関リポジトリ HANDLE Web Site 被引用文献1件 参考文献26件
  • 桑原 隆
    東京電力株式会社　技術開発研究所　機械システム技術グループ
  • 神原 信志
    岐阜大学大学院　工学研究科　環境エネルギーシステム専攻
  • 守富 寛
    岐阜大学大学院　工学研究科　環境エネルギーシステム専攻

書誌事項

タイトル別名
  • Study on Boron Distribution and Chemical Form in Coal
  • 石炭中ホウ素の分布と化学形態に関する研究
  • セキタン チュウ ホウソ ノ ブンプ ト カガク ケイタイ ニ カンスル ケンキュウ

この論文をさがす

抄録

To clear chemical forms of boron in coals and its origin, specific gravity separation tests for 4 coal samples were performed, and the boron concentration in each sample was measured. The boron concentration in coal has a high positive correlation with the vitrinite content in coal. Other maceral, exinite containing a large amount of resinite, indicates extremely low boron concentration. It is found that the boron concentration in coal decreases with increase of resinite content. In minerals such as quartz, kaolinite, montmollironite, illite, dolomite, and calcite, illite contains the highest concentration of boron. However, the boron concentration of illite does not affect on that of coal, because illite content in coals is very little (bellow about 1%). Since the boron concentration in minerals is low, consequently, it is difficult to remove boron in coal by the deashing operation. The origin and the chemical form of boron are discussed. It is seemed that boron in coal is consisted by water-soluble compounds and water-insoluble compounds. As the water-soluble compound, it is estimated some compounds such as boric acid and borate originated from immersion of seawater or ground water and biogenic fixation by plants. The water-insoluble compounds will probably borosilicate originated from flowing into sedimentary layer with ground water or seawater.

収録刊行物

  • 資源と素材

    資源と素材 122 (10/11), 497-503, 2006

    一般社団法人 資源・素材学会

被引用文献 (1)*注記

もっと見る

参考文献 (26)*注記

もっと見る

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ