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The concentrated water treatment unit of the recycled water generation system for Donghua Technology’s Xinjiang Tianye project produced qualified recycled water. Author/Source: Donghua Technology ECEC Date: 2020-06-12 Clicks: 18 On June 11, the concentrated water treatment unit of the recycled water generation system for Donghua Technology’s 600,000 tons per year ethylene glycol production facility in Xinjiang Tianye Project generated qualified recycled water, with all process parameters meeting the required standards. The completion of this node marks the full completion of the commissioning of the concentrated water treatment unit in the project’s water recycling system, laying a solid foundation for the subsequent commissioning of related processes such as the membrane concentration unit. The concentrated water treatment unit is mainly composed of six sections: the concentrated water ozone oxidation tank, the concentrated water aerated biological filter, the multi-media filter, the concentrated water ultrafiltration system, the concentrated water reverse osmosis system, and the accompanying chemical dosing system. This unit is designed to treat the concentrated water generated by the reverse osmosis process for reclaimed water, with an inlet flow rate of 300 m3/h. 3,600 m3 of qualified recycled water is produced by Nissan, with a system recovery rate of ≥50%.