苯酚、2,4-二氯酚和苯胺衍生物对斜生栅列藻(Scenedesmus obliquus)的联合毒性研究  

Combined Toxicity of Phenol,2,4-Dichlorophenol and Six Derivatives of Aniline to Scenedesmus obliquus

作　　者：唐柱云 陆光华[2] 

机构地区：[1]无锡市环保宣教中心(无锡市环境技术评估中心),江苏无锡214121 [2]河海大学环境科学与工程学院,浅水湖泊综合治理与资源开发教育部重点实验室,江苏南京210098

出　　处：《污染防治技术》2017年第2期35-39,共5页Pollution Control Technology

摘　　要：为客观评价酚类与苯胺类化合物共存时对绿藻的生态毒理学效应,采用OECD藻类生长抑制实验方法,研究了苯酚、2,4-二氯酚与6种苯胺衍生物对斜生栅列藻的单一毒性及其等毒性混合时的联合毒性。采用毒性单位法、相加指数法、混合毒性指数法和相似性参数法进行联合毒性评价,结果表明:苯酚加2,4-二氯胺、苯酚加二苯胺、苯酚加苯胺、2,4-二氯酚加甲萘胺均表现为协同作用;2,4-二氯酚加2,4-二氯胺表现为简单相加作用;而其它二元混合物的联合毒性,所用评价方法不同其结果也不一样。对苯酚、2,4-二氯酚与苯胺衍生物对斜生栅列藻的联合毒性机理进行了初步探讨。In order to evaluate objectively the ecological effects of phenols coexisted with aniline compounds , the study on the combined toxicity of phenol or 2,4 - Diehlorophenol and six kinds of aniline dervatives to the algae （ Scenedesmus obliquus） was carried out. 48 h - EC50 of each 8 kinds of compounds and 48 h - EC50. combined toxicity of phenol ＋ 6 kinds of aniline derivations and that of 2,4 -Dichlorophenol ＋ the 6 kinds of compounds were measured. Toxicity unit, additive index, combined toxicity index and similarity parameter were used to evaluate the combined toxicity, of these chemicals. The results showed that phenol ＋ 2, 4 - dichloraniline, phenol ＋ diphenylamine, phenol ＋ aniline, 2,4 - dichlorophenol ＋ α - naphthylamine showed all synergism. 2, 4 -dichlorophenol ＋ 2,4 -diehloraniline showed simple addition. The other mixtures showed various styles of action loy using different evaluatim methods. And the mechalism of combined toxicity of phenol and aniline compounds was discussed.

关 键 词：联合毒性 苯酚 2 4-二氯酚 苯胺衍生物 斜生栅列藻 

分 类 号：X530.2[环境科学与工程—环境工程]