[1]张徐军,吕锡武.应用遗传毒性测试评价不同饮用水处理工艺出水的安全性[J].东南大学学报(自然科学版),2009,39(5):1023-1027.[doi:10.3969/j.issn.1001-0505.2009.05.031]
 Zhang Xujun,Lü Xiwu.Safety assessment of effluents from different drinking water treatment process by genotoxicity test[J].Journal of Southeast University (Natural Science Edition),2009,39(5):1023-1027.[doi:10.3969/j.issn.1001-0505.2009.05.031]
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应用遗传毒性测试评价不同饮用水处理工艺出水的安全性()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
39
期数:
2009年第5期
页码:
1023-1027
栏目:
环境科学与工程
出版日期:
2009-09-20

文章信息/Info

Title:
Safety assessment of effluents from different drinking water treatment process by genotoxicity test
作者:
张徐军12 吕锡武1
1 东南大学能源与环境学院, 南京 210096; 2 东南大学公共卫生学院, 南京 210009
Author(s):
Zhang Xujun12 Lü Xiwu1
1 School of Energy and Environment, Southeast University, Nanjing 210096, China
2 School of Public Health, Southeast University, Nanjing 210009, China
关键词:
饮用水安全性评价 遗传毒性 生物强化活性滤池 生物活性炭 长江原水
Keywords:
drinking water safety assessment genotoxicity biological enhanced activated filter biological activated carbon Changjiang River raw water
分类号:
X131.2
DOI:
10.3969/j.issn.1001-0505.2009.05.031
摘要:
应用微核试验和彗星试验对长江原水、常规工艺(混凝+沉淀+砂滤池)出水、强化常规工艺(混凝+沉淀+生物强化活性滤池)出水和生物活性炭工艺(混凝+沉淀+砂滤+生物活性炭滤池)出水进行遗传毒性分析.试验结果表明:当水样浓度为0.13~1.00 L/皿时,长江原水、常规工艺出水和强化常规工艺出水可引起人外周血淋巴细胞微核率显著升高,生物活性炭工艺出水则不能达到类似效果; 长江原水、常规工艺出水和强化常规工艺出水均可引起不同程度的DNA损伤,并分别存在剂量-反应关系,而生物活性炭工艺出水仅在浓度为0.5 L/皿(相当于原水体积)时引起DNA损伤.微核试验和彗星试验可有效应用于不同饮用水处理工艺出水的安全性评价.
Abstract:
Using micronucleus tests and comet assays, the genotoxicity of Changjiang River raw water, effluent water from conventional process(flocculation+sedimentation+sand filter), effluent water from enhanced conventional process(flocculation+sedimentation+biological enhanced activity filter), and effluent water from biological activated carbon process(flocculation+sedimentation+sand filter+biological activated carbon filter)are analyzed. The results show that comparing with the control group at dosage of 0.13 to 1.00 L/plate, the frequencies of micronuclei in human peripheral blood lymphocytes induced by Changjiang River raw water, effluent water from conventional processes, and effluent water from conventional processes are significantly increased while that caused by effluent water from biological activated carbon process keeps constant. Besides, DNA damages in human peripheral blood lymphocytes are induced by Changjiang River raw water, effluent water from conventional process, effluent water from enhanced conventional process, exhibiting dose-response relationships respectively. However, with biological activated carbon process, DNA damages are induced only at dosage of 0.5 L/plate. This study demonstrates that micronucleus tests and comet assays can be used for assessment of safety of effluents from different drinking water treatment process.

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备注/Memo

备注/Memo:
作者简介: 张徐军(1963—),男,博士生,副教授; 吕锡武(联系人),男,博士,教授,博士生导师,xiwulu@seu.edu.cn.
基金项目: 国家高技术研究发展计划(863计划)资助项目(2002AA601130)、江苏省建设厅科技计划资助项目(JS2007JH22).
引文格式: 张徐军,吕锡武.应用遗传毒性测试评价不同饮用水处理工艺出水的安全性[J].东南大学学报:自然科学版,2009,39(5):1023-1027. [doi:10.3969/j.issn.1001-0505.2009.05.031]
更新日期/Last Update: 2009-09-20