Experimental Study on Ammonia-Nitrogen Removal in Water by Composite Zeolite Filter

Li Sha Fan; Yan Zhen Yu; Chun Hui Zhao

doi:10.4028/www.scientific.net/AMR.830.323

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 830Experimental Study on Ammonia-Nitrogen Removal in...

Experimental Study on Ammonia-Nitrogen Removal in Water by Composite Zeolite Filter

Abstract:

Using composite zeolite filter material independent preparation in the laboratory as an aeration biological filter material,and compared with ceramsite.The ammonia-nitrogen adsorption capacity of the above two filters were evaluated through the pilot test. The start-up of pilot scale CBAF (BAF filled with compound filter material) showed that the average NH4+-N removal rate of the first 5 days was 52.36% when the average influent NH4+-N concentration was 37mg/L. In steady operation condition, the average NH4+-N removal rate reached 83.51% and the average effluent NH4+-N concentration was 5.81mg/L, which could meet the first degree of national wastewater discharge standard (GB 8978-1996).

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Periodical:

Advanced Materials Research (Volume 830)

Pages:

323-326

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.830.323

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Online since:

October 2013

Authors:

Li Sha Fan, Yan Zhen Yu*, Chun Hui Zhao

Keywords:

Ammonia Nitrogen Adsorption, Ceramsite, Composite Zeolite Filter

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