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首页> 外文期刊>Chemosphere >EMISSIONS OF HYDROCHLORIC ACID, PCDD AND PCDF FROM THE COMBUSTION OF CHLORINE-CONTAINING KRAFT PULP MILL BLEACH PLANT WASTE
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EMISSIONS OF HYDROCHLORIC ACID, PCDD AND PCDF FROM THE COMBUSTION OF CHLORINE-CONTAINING KRAFT PULP MILL BLEACH PLANT WASTE

机译：含氯牛皮纸浆漂白粉厂废物燃烧过程中的盐酸，PCDD和PCDF排放

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摘要

The objective of this work was to determine if combustion of chlorine-containing bleach plant waste causes emissions of hydrochloric acid, polychlorinated dibenzo-p-dioxins, (PCDD) and polychlorinated dibenzo-furans (PCDF). Small additions of chlorine-containing bleach plant waste to normal black liquor feed stock did not result in detectable increases HCl emissions during incineration. Large additions (≥ 10% by weight of solids) increased HCl emissions, possibly as a direct result of organochlorine combustion. The total PCDD/F in flue gas increased by a factor of ten with a 1% addition of bleach plant concentrate to black liquor. Comparisons of emitted PCDD/F and feed liquor PCDD/F indicated a net formation of PCDD/F during combustion. The emissions of PCDD/F may be a significant factor detracting from thermal destruction of mixtures of chlorine-containing bleach plant waste and black liquor in a standard recovery furnace.
机译：这项工作的目的是确定含氯漂白植物废物的燃烧是否会导致盐酸，多氯二苯并对二恶英（PCDD）和多氯二苯并呋喃（PCDF）的排放。在普通黑液原料中少量添加含氯的漂白剂废料不会导致焚烧过程中HCl排放量的增加。大量添加（固体含量≥10％）会增加HCl的排放，这可能是有机氯燃烧的直接结果。在黑液中添加1％的漂白剂浓缩液后，烟气中的PCDD / F总量增加了十倍。排放的PCDD / F和进料液PCDD / F的比较表明燃烧过程中PCDD / F的净形成。 PCDD / F的排放可能是降低标准回收炉中含氯漂白剂工厂废料和黑液混合物热破坏的重要因素。

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