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“The short water purification process with immersive ultrafiltration membrane technology as the core" passing the high-end identification

Number of visits: Date:2009-03-20 10:40

  At the beginning of this year, the Chinese Academy of Engineering Li Guibai, the adviser of China Urban Water Association Song Renyuan, Shen Danian and other 7 renowned experts in the water supply and drainage industry conducted the achievement identification of “The short water purification process with immersive ultrafiltration membrane technology as the core” joint studied by Pacific Water Treatment Engineering Co., Ltd., Nantong City Water Company, Suzhou Lisheng Water Purification Technology Co., Ltd and the technology center of Golden State Environment Group.

  The achievements came up with the short process with immersive ultrafiltration membrane technology as the core, integrating flocculation, ultrafiltration, sludge thickening as one; this process highlighted the concept of low transmembrane pressure and low flux and made full use of the original working head in the water plant to save energy; it adopted the membrane unit operating mode to reduce membrane fouling, stabilize the system, keep the effluent turbidity below 0.02NTU, and greatly increase biological safety; This process can save land space and investment  and provide a new technology route for old water plants renovation and new water plants construction, which is in line with the direction of industrial development with a broad market prospect.

  Combined with the conventional water treatment process of the water plant, technological structure characteristics and the process transformation requirements, the achievement takes improving water quality as the goal, studying The short water purification process with immersive ultrafiltration membrane technology as the core, and on this basis, it has proposed the “The process modification scheme of Lujing water plant” which is feasible and has exemplary meaning after implementation.

  After discussion, the experts all agreed that the project achievement was innovative, which reached the international advanced level.

  The achievement was made by Pacific Water Treatment Engineering Co., Ltd., Nantong City Water Company, Suzhou Lisheng Water Purification Technology Co., Ltd and the technology center of Golden State Environment Group through a year of research, overcoming various technical and experimental difficulties and obtaining a lot of quantitative data and parameters. At the present, this achievement shows stable small test and pilot test performance and various other performances, with outstanding advantages, which has reached the industrial conditions. The identification of the achievement with the high specification is successful and the experts all agree that it has reached the international advanced level. It provides a new process line for China's current water supply industry and it is also very suitable for the transformation of the old water plants, which is a major breakthrough in China’s water supply technology research and has a very positive impact on the development of the entire water supply and drainage industy.

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