Effect of ClO2, O2 and H2O2 bleaching stages on the formation of chlorophenolic compounds in Jute Cady pulp

机译：ClO 2 ，O 2 和H 2 O 2 漂白阶段对黄麻中氯酚类化合物形成的影响卡迪纸浆

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Elemental chlorine and chlorine compounds are commonly used in the developing countries for bleaching of pulp. The study deals with the bleaching of Jute Cady pulp with chlorine, chlorine dioxide, peroxide and O2 treatment and identification of various chlorophenolics compounds. The results show that quantity of the total chlorophenolic compounds formed decreases up to 77% at 100% replacement of chlorine by chlorine dioxide in C stage. A 40% and 79% reduction in COD and color value respectively indicate a significant drop in pollution load. There is a reduction of 52% in total chlorophenolic compound when E stage is changed to Ep. The COD and color values are reduced by 30% and 33% respectively as E stage is changed to Ep stage. Oxygen delignification stage reduced the formation of chlorophenolic compounds by 73%. The effluent COD and the color value is reduced by 45% and 28% respectively during this stage.

机译：元素氯和氯化合物在发展中国家通常用于纸浆的漂白。该研究涉及用氯，二氧化氯，过氧化物和O 2 处理对黄麻卡迪纸浆的漂白，并鉴定各种氯酚类化合物。结果表明，在C阶段用二氧化氯替代100％的氯时，形成的总氯酚类化合物的数量减少了77％。 COD和色度值分别降低40％和79％，表明污染负荷显着下降。当E阶段更改为Ep时，总氯酚类化合物减少52％。当E阶段更改为Ep阶段时，COD和颜色值分别降低了30％和33％。氧脱木素阶段减少了73％的氯酚化合物的形成。在此阶段，废水的COD和色值分别降低了45％和28％。

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来源
《Green Technology and Environmental Conservation (GTEC 2011), 2011 International Conference on》|2011年|p.1-4|共4页
会议地点 Chennai(IN)
作者
Prakash Divya; Kumar S.; Rao N. J.;
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作者单位

Department of Paper Technology, Indian Institute of Technology, Roorkee, India;

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会议组织
原文格式 PDF
正文语种 eng
中图分类环境保护管理;
关键词
Oinf2/inf bleaching; chlorinated phenolics; chlorine dioxide bleaching; jute cady; peroxide bleaching;

机译：O 2 漂白;氯化酚;二氧化氯漂白;黄麻卡迪;过氧化物漂白;

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Effect of ClO2, O2 and H2O2 bleaching stages on the formation of chlorophenolic compounds in Jute Cady pulp

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