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Shanghai steps up treatment of sludge

ABOUT 650,000 tons of sludge was treated in Shanghai last year as new treatment facilities opened, said Shanghai Chengtou yesterday in its social responsibility report.
The sewage processor said a facility handling the sludge drying process opened in the Pudong New Area last year.
Meanwhile, 14 sewage treatment plants had cut chemical oxygen demand (COD) emissions by more than 410,000 tons last year in the city. The figure represented about 75 percent of the city's total decrease in COD, Chengtou said.
Meanwhile, more than 13 million people in downtown Shanghai have benefited from the Qingcaosha Reservoir, which is providing cleaner tap water to many areas of the city, according to the report.


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