摘 要采用高效液相色谱,对江苏省徐州市三个污水处理厂污泥中多环芳烃含量进行了检测。发现污泥中含有USEPA规定的16种多环芳烃化合物中的14种。各个污水厂污泥中的PAHs具有不同的分布特征。荆马河污泥中含量位于前三位的多环芳烃是苊烯、萘、蒽,各自占28.52%、19.23%、14.19%;开发区污泥中含量位于前三位的多环芳烃是荧蒽、苊烯、蒽,各自占31.84%、17.99%、11.81%;国祯污泥中含量位于前三位的多环芳烃是苊烯、蒽、萘,各自占25.36%、21.40%、17.49%。其中萘是两个苯环的PAHs,荧蒽、苊烯、蒽是三个苯环的PAHs,可见污泥中的多环芳烃均以低环化合物为主,主要是2和3个苯环的化合物。70717
该论文有图4幅,表5个,参考文献6篇。
毕业论文关键词:城市污泥 多环芳烃 存在特征
Analysis on the existence feature of PAHs in municipal sludge of Xuzhou
Abstract The content of polycyclic aromatic hydrocarbons in sewage sludge from three sewage treatment plants in Xuzhou city of Jiangsu province was detected by high performance liquid chromatography. 14 kinds of polycyclic aromatic hydrocarbons among 16 USEPA PAHs were detected in the sludge. PAHs in each sewage plant has different distribution characteristics. Acenaphthylene, naphthalene, anthracene content in sludge from Jingma river sewage treatment plants are in the top three and are respectively accounted for 28.52%, 19.23%, 14.19%. The top three PAHs in the Kaifaqu sludge are fluoranthene, acenaphthylene and anthracene, their percentage is 31.84%, 17.99%, 11.81%, respectively. Acenaphthylene, anthracene and naphthalene are the top three PAHs in Guozhen sludge, respectively accounted for 25.36%, 21.40%, 17.49%. Among PAHs, which is rich in sludge, naphthalene contains two benzene rings; fluoranthene, acenaphthylene and anthracene contain three benzene rings respectively. It can be seen that low ring PAHs were dominated, mainly of compounds containing 2 and 3 benzene rings.
Key Words: municipal sludge polycyclic aromatic hydrocarbons(PAHs) existence feature
目 录
摘要-Ⅰ
Abstract--Ⅱ
目录-Ⅲ
图清单-Ⅳ
表清单-Ⅳ
1 绪论--1
2 实验部分2
2.1 实验仪器2
2.2实验试剂-2
2.3实验材料-2
2.4样品处理-2
2.5样品测试-2
3 结果与讨论3
3.1 16种多环芳烃标准曲线--3
3.2荆马河污泥样品中多环芳烃含量的测定3
3.3开发区污泥样品中多环芳烃含量的测定3
3.4国祯污泥样品中多环芳烃含量的测定3
3.5徐州三个污水厂污泥样品中多环芳烃含量的比较3
4 结论4
参考文献--5
致谢6
图清单
图序号 图名称 页码
图3-1 荆马河污泥样品中多环芳烃含量 6
图3-2 开发区污泥样品中多环芳烃含量 7
图3-3 国祯污泥样品中多环芳烃含量 9
图3-4 三种污泥样品中多环芳烃含量 11
表清单
表序号 表名称 页码
表3-1 16种多环芳烃的保留时间、线性关系和回收率 4
表3-2 荆马河污泥样品中多环芳烃含量及所占比例