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With the deepening of global industrialization, environmental pressure poses a threat to human living environment. As a world power, China is paying more and more attention to environmental protection. At the same time, China is also a major textile country, and printing and dyeing industry has special significance for water saving and wastewater recycling.
It is reported that the high-efficiency ultrafiltration system integrated by the hollow fiber porous membrane filter assembly compensates for the shortcomings of the general reverse osmosis system membrane, which has the advantages of strong pollution resistance and energy saving effect. The membrane module of the system is unilaterally effluent, and the other side is aerated, adopting U-shaped structure, which can increase the membrane area, enhance the self-cleaning ability of the membrane, and has short flow and large flux, and adopts concentrated water circulation and two-way advance. Water technology has been applied in many printing and dyeing enterprises such as Shenghong Group.
Efficient ultrafiltration system for wastewater reuse
[Foreword] Recently, Xiamen developed a technology for advanced treatment and reuse of printing and dyeing industrial wastewater. Experts said that the selection of a suitable membrane process coupled with traditional means, a new membrane integration technology, is an important development direction of printing and dyeing wastewater treatment and recycling.