The production

damage and treatment of municipal sewage sludge in Guangzhou city are discussed in detail. In combination with the standardization of sludge treatment in China

5 processing techniques are discussed. According to the principle of reducing cost

saving energy and reducing consumption

current combination technology of Guangzhou and the economic performance of the routes are compared. It is concluded that the combined technical route of sludge treatment and disposal in Guangzhou is “concentration+mechanical dehydration +thermal dry→off-site or in-site disposal”

and the unit investment cost of sludge drying is 1

900

000 yuan /tDS

the total cost of operation is 19

660 yuan.The technical route is expected to become the standardized route for Guangzhou municipal sludge treatment and disposal.