The role of dibenzo-p-dioxin and dibenzofuran precursors in the formation of tetrachlorinated dibenzo-p-dioxins/-furans during bleaching

被引：12
作者：
Luthe, CE
Berry, RM
机构：
[1] Pulp and Paper Res. Inst. of Canada, Pointe Claire, Que. H9R 3J9
来源：
CHEMOSPHERE | 1996年 / 32卷 / 05期
关键词：
D O I：
10.1016/0045-6535(96)00022-7
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The position of the theoretical line describing dioxins control technology is dependent upon the concentration of dioxins precursors in brownstock. The tolerance of the bleaching process to precursor contamination increases as chlorine dioxide substitution increases to the extent that when 100% substitution is used, at the highest levels of precursor contamination studied, 2378-tetrachlorodibenzo-p-dioxin is non-detectable in pulp, and 2378-tetrachlorodibenzofuran is detectable but only at background laboratory levels.
引用
收藏
页码：881 / 891
页数：11
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