粒径別に分画した飛灰におけるポリ塩化ビフェニルおよびクロロベンゼン類の再合成挙動

書誌事項

タイトル別名
  • Re-synthesis Mechanisms for PCBs and Chlorobenzenes in Fly Ash by Particle Size
  • リュウケイ ベツ ニ ブンカク シタ ヒカイ ニ オケル ポリ エンカ ビフェニル オヨビ クロロベンゼンルイ ノ サイゴウセイ キョドウ

この論文をさがす

抄録

We focused on separating fly ash by particle size in order obtain fractions with different compositions. We then conducted heating experiments on each fraction under a variety of temperature and atmospheric conditions in order to understand the re-synthesis mechanisms of chlorinated aromatics in fly ash and the distributions of PCBs and chlorobenzenes (CBzs) by fly ash particle size. As a result, we found that the contributions of metal catalysts and unburned carbon in the formation of PCBs and CBzs were dependent on heating temperature. The homologue patterns of PCBs and CBzs were almost the same in all fractions of fly ash in the heating experiments. This indicates that all fractions of fly ash had the same formation patterns. The effect of atmosphere on the formation of chlorinated aromatics showed no difference among the fractions. HCl in a nitrogen atmosphere with 10% oxygen did not promote generation of PCBs and CBzs in fly ash. We confirmed that metal chlorides in fly ash were important as a chlorine source rather than HCl gas for the formation of chlorinated aromatics in fly ash.

収録刊行物

  • 廃棄物学会論文誌

    廃棄物学会論文誌 15 (5), 336-346, 2004

    一般社団法人 廃棄物資源循環学会

被引用文献 (1)*注記

もっと見る

参考文献 (27)*注記

もっと見る

詳細情報 詳細情報について

問題の指摘

ページトップへ