Toxicity and toxicity emission load of reed pulp CEH bleaching effluents

FANG Zhanqiang; LI Youming; CHEN Zhonghao

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Toxicity and toxicity emission load of reed pulp CEH bleaching effluents

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- Toxicity and toxicity emission load of reed pulp CEH bleaching effluents
- CIESC Journal Issue 6, Pages: 1086-1090(2005)
- 作者机构：
  
  1. 华南师范大学环境科学研究所,广东,广州,510631
  2. 华南理工大学造纸与环境工程学院,广东,广州,510641
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 2005，
  
  Published：25 June 2005
- 稿件说明：
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FANG Zhanqiang, LI Youming, CHEN Zhonghao. Toxicity and toxicity emission load of reed pulp CEH bleaching effluents[J]. CIESC Journal, 2005, (6): 1086-1090.
DOI：

FANG Zhanqiang, LI Youming, CHEN Zhonghao. Toxicity and toxicity emission load of reed pulp CEH bleaching effluents[J]. CIESC Journal, 2005, (6): 1086-1090. DOI：

摘要

采用发光细菌法对苇浆CEH三段漂白废水进行了毒性研究，其中C段废水的毒性最大，其EC50为17.39%，属于强毒级别;E段、H段废水的EC50分别为163.6%、252.4％，均属于无毒级别.苇浆CEH漂白工艺总毒性排放因子（TEF）为472.021 TU8226;m38226;（吨浆）-1，其中C段废水的毒性最大，其TEF为393.88 TU8226;m38226;（吨浆）-1，约占总量的83.45％，其次是E段废水，约占10.03％，H段最小，约占6.52％.

Abstract

The toxicity of CEH bleaching effluents was studied with photobacteria. The toxicity of C stage was the strongest

its EC50 was 17.39%

belonging to the strongest toxicity level. The EC50 of E

H stages were 163.6% and 252.4% respectively. Both belonging to the no toxicity level. The total toxicity emission factor(TEF) of CEH was 472.021 TU8226;m38226;t-1.The TEF of C stage was 393.88 TU8226;m38226;t-1

about 83.45% of the total toxicity emission factor. The TEF of E and H stages was 10.03% and 6.52% respectively.

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