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Artificial wetland to clean Shanghai factory water

PARIS: French wastewater treatment company Suez said Tuesday it had been awarded a contract to design an artificial wetland to clean water from a petrochemical industrial zone outside Shanghai. Suez said the 36-hectare "dragonfly zone" will use "the treatment capabilities of the natural environment" to remove micropollutants from water after its discharge from a standard facility that it operates at the Shanghai Chemical Industrial Park. The industrial park, located on Hangzhou Bay to the south of Shanghai, is one of…