With the increasing number of wastewater treatment plants,more and more municipal sewage sludge is produced.Due to the absence of sound treatment method, most of the sewage sludge was piled in temporary places and becoming new potential pollution sources.There is an urgent need for a safe disposal option.
In this thesis,heavy metals(HMs)and polycyclic aromatic hydrocarbons(PAHs) in sewage sludge from twelve different wastewater treatment plants(WWTPs)of Zhejiang province,China,were investigated.Co...