Study on Cleaning Methods of Membrane in Printing and Dyeing Wastewater by MBR

Zhen Ya Zhu; Ai Guo Li; Yan Cheng Zheng; Zhen Jiao

doi:10.4028/www.scientific.net/AMR.781-784.1937

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 781-784Study on Cleaning Methods of Membrane in Printing...

Study on Cleaning Methods of Membrane in Printing and Dyeing Wastewater by MBR

Abstract:

The test treat printing and dyeing wastewater by the new MBR. In the process of operation, the membrane water flux reduced with time increasing. In the physical cleaning methods, aeration and water backwashing could recover the membrane flux to 62% and 70% respectively. In the test, chemical cleaning effect was better. The membrane was soaked in the solution combined with sodium hypochlorite solution, H₂SO₄ solution and citric acid solution. The membrane flux could recover to more than 90% by this method.

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Periodical:

Advanced Materials Research (Volumes 781-784)

Pages:

1937-1940

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.781-784.1937

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Online since:

September 2013

Authors:

Zhen Ya Zhu*, Ai Guo Li, Yan Cheng Zheng, Zhen Jiao

Keywords:

Cleaning Method, Dyeing Wastewater, Membrane Bioreactor (MBR), Printing Wastewater

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