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                CNPC > About CNPC > Our Businesses > Engineering & Construction > Environmental Engineering
                Environmental Engineering

                In 2017, a number of environmental engineering projects were ready for commissioning, including wastewater treatment at Ningxia Petrochemical, emission-reduction at Liaoyang Petrochemical, and flue gas purification at Guangxi Petrochemical. The off-gas treatment at Daqing Petrochemical and VOCs project at Sichuan Petrochemical advanced steadily.

                 

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