Study on Formation Factor of Polychlorinated Dibenzo-p-dioxins, Polychlorinated Dibenzofurans and Coplanar Polychlorinated Biphenyls Emitted from Domestic Incinerator. The Relationship between Polyvinyl Chloride (PVC) Ratios in Waste and Dioxin Concentrations.

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  • 家庭用焼却炉からのダイオキシン類の生成要因の考察　　ごみ中のポリ塩化ビニル比とダイオキシン類濃度の関係について
  • カテイヨウ ショウキャクロ カラ ノ ダイオキシンルイ ノ セイセイ ヨウイン ノ コウサツ ゴミ ナカ ノ ポリ エンカビニルヒ ト ダイオキシンルイ ノウド ノ カンケイ ニ ツイテ
  • The Relationship between Polyvinyl Chloride (PVC) Ratios in Waste and Dioxin Concentrations
  • ごみ中のポリ塩化ビニル比とダイオキシン類濃度の関係について

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Papers, timber, plywood, fallen leaves, timbers with polyvinyl chloride (PVC) and their mixtures were incinerated to examine emission and the formation factor of polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans and coplanar polychlorinated biphenyls (Dioxins) emitted from domestic incinerator.<BR>The temperatures of the furnace of the incinerator were 400-600°C on the average, and carbon monoxide (CO) in the flue gas were high concentration with 0.04-1.8%(v/v), and the change of CO concentration were high. When PVC (0.1-5% w/w) were mixed in timbers, dioxin concentrations in the flue gas were 3.2-1100 ng-TEQ/m3n. The concentration increased with increasing mixing rate of PVC. Mixing ratio of PVC was related to dioxin concentration in the flue gas by the following equation<BR>Y= 140 X 1.4 X:<BR>PVC % Y: dioxins concentration ng-TEQ/m3n<BR>When PVC of 1 g was combustioned, dioxins were formed about140 ng-TEQ. Dioxin concentrations in the bottom ash increased with the increaseof mixing ratio of PVC.

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