化工废水生态毒性原因鉴别的实例研究

应用生态学报 ›› 1998, Vol. 9 ›› Issue (5): 525-528.

化工废水生态毒性原因鉴别的实例研究

杨璇¹, 金洪钧¹, 尹大强¹, 于红霞¹, 程惠民¹, 楼宵², 薛光璞²

1. 南京大学污染控制与资源化研究国家重点实验室, 南京210093;
2. 南京市环境监测站, 南京210013

收稿日期:1997-09-11 修回日期:1998-07-08 出版日期:1998-09-25 发布日期:1998-09-25
基金资助:
江苏省自然科学基金(BK9704);江苏省环保局资助项目(9726)

Cause identification of ecotoxicity of chemical industrial wastewater—A case study

Yang Xuan¹, Jin Hongjun¹, Yin Daqiang¹, Yu Hongxia¹, Cheng Huimin¹, Lou Xiao², Xue Guangpu²

1. State Key Laboratory of Pollution Control and Resource Recovery, Nanjing University, Nanjing 210093;
2. Nanjing Municipal Environmental Monitoring Station, Nanjing 210013

Received:1997-09-11 Revised:1998-07-08 Online:1998-09-25 Published:1998-09-25

摘要/Abstract

摘要： 以南京市某一化工厂排出的废水为对象,对其生态毒性原因作了鉴别研究。结果表明,废水对Daphniamagna具有急性毒性,C₁₈固相提取可去除废水毒性,存在的主要毒物为非极性有机化合物。废水经C₁₈固相提取,发现废水中的主要可疑毒物为苯并吡喃酮和苯酚,是导致废水毒性的关键污染物,对废水毒性的贡献率分别为44.6%和32.9%.

关键词: 毒性鉴别评价, 化工废水, 苯并吡喃酮, 苯酚, 冗余分析, 微孔板荧光法, 土壤酶活性, 土壤质量

Abstract: The cause identification of ecotoxicity of wastewater discharged from a chemical plant in Nanjing shows that the wastewater was acutely toxic to Daphnia magna .The effluent toxicity could be removed through C₁₈ solid-phase extraction, and the primary toxicants in effluent were nonpolar organic chemical compounds.By C₁₈ solid-phase extraction, it was found that the major doubtful toxicants in effluent were benzopyrone and phenol, which were the key toxicants resulting in effluent toxicity, with a contribution of 44.6% and 32.9%, respectively.

Key words: Toxicity identification evaluation, Chemical industrial wastewater, Benzopyrone, Phenol, microplate fluorimetric assay, soil quality, redundancy analysis, soil enzyme activity

杨璇, 金洪钧, 尹大强, 于红霞, 程惠民, 楼宵, 薛光璞. 化工废水生态毒性原因鉴别的实例研究[J]. 应用生态学报, 1998, 9(5): 525-528.

Yang Xuan, Jin Hongjun, Yin Daqiang, Yu Hongxia, Cheng Huimin, Lou Xiao, Xue Guangpu. Cause identification of ecotoxicity of chemical industrial wastewater—A case study[J]. Chinese Journal of Applied Ecology, 1998, 9(5): 525-528.

参考文献

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