中国南方某城市自来水厂处理工艺对多环芳烃的去除效果研究.pdfVIP

6 5 Vol. 6, No. 5 2 0 0 5 5 T echn iques and Equ ipm ent for Environm ental Pollution Control M a 2 0 0 5 许宜平 张铁山 黄圣彪 马 梅 王子健* (, 100085) , 2~ 4, , ( 2000), , 64% X1312 A 2005) Research on removal efficiency of polycyclic aromatic hydrocarbons ( PAHs) by the treatm ent technique of a municipalwaterworks in the south of China Xu Y iping Zhang T ieshan Huang Shengbiao M aM ei W ang Zijian ( State K e Laborator of Environm entalAquatic Chem istr , Research C enter for EcoEnv ironm ental Sciences, Ch inese A cadem of Scien ces, B eijing 100085) Abstract Residual PAH s in the drinkingw ater and removal efficienc of PAH s b purifiedw ater techn ique in amun icipalw aterw orks in the south of China w ere discussed. The resu lts show ed that PAHs detected in the dr ink ing w ater of the w aterworks mostl consisted of 2~ 4 ring aromatic h drocarbons. Concentrations of high ring PAH s wh ich are know n to be strongl carcinogenic w ere under the detection lmi it. The total PAH s d id not exceeded the relative lmi it ofw ater suppl industr standard in China ( 2000) . The process of sand filtrationw as themost efficient treatment stage for removal of PAH s. The removal efficienc of totalPAH s cam e up to 64% in comparison to the raw w ater. K ey words PAH s; drink ing w ater; treatm ent technique; sand filtration , ( pol c clic aromatic h drocarbons, , PAH s) 2 2 , [ 3] , 2 3 [ 1] ; , : ( a) ( a, h) , , ; , ( , : 863 ( 2002AA601120) ; ;